MXPA97005160A

MXPA97005160A - Liquid container, head cartridge, liquid eyector apparatus and liquid eye control method

Info

Publication number: MXPA97005160A
Application number: MXPA/A/1997/005160A
Authority: MX
Inventors: Kashino Toshio; Taneya Yoichi
Original assignee: Canon Inc
Priority date: 1996-07-12
Filing date: 1997-07-09
Publication date: 1999-02-01

Abstract

The present invention relates to a liquid supply system comprising: a first liquid ejection head for expelling only a first liquid, a second liquid ejection head for expelling the first liquid and a second liquid which is more difficult to expel than the first liquid, a first liquid container containing the first liquid, the first liquid container communicating with the first liquid ejection head and with the second liquid ejection head, for supplying the first liquid, and a second container of liquid containing the second liquid, the second liquid container communicating with the second liquid ejection head, for supplying the second liquid, for supplying the second liquid, the second liquid container not communicating with the first liquid ejection head and the second liquid not supplied to the first liquid ejection head

Description

"LIQUID CONTAINER, HEAD CARTRIDGE, LIQUID EYECTOR APPARATUS AND LIQUID EYECTION CONTROL METHOD" FIELD OF THE INVENTION AND RELATED TECHNIQUE The present invention relates to a liquid ejector head, a liquid ejection head cartridge using the liquid ejector head and a liquid ejector apparatus. More particularly, the present invention relates to a liquid ejection head, a head cartridge using a liquid ejector head and a liquid ejector apparatus where a movable member is used which is displaceable by generating a bubble. The present invention is applicable to a printer for printing on a recording material, such as paper, yarn, fiber, textile, leather, metal, plastic resin material, glass, wood, ceramic or the like; a copying machine; a facsimile machine, which includes a communication system; a word processor or the like including a portion of the printer; or another industrial recording device comprising different processing devices. In this specification, "registration" does not mean forming only one image of a letter or similar that has specific meanings, but also includes forming an image of a pattern that does not have a specific meaning. An ink jet recording method of the so-called bubble-jet type is known in which an instantaneous change of state resulting in an instantaneous volume change (generation of bubbles) is caused by the application of energy, such as heat to the ink, in order to eject the ink through the ejection outlet by the force resulting from the change of state by which the ink is ejected towards and deposited on the recording material to form an image formation. As disclosed in U.S. Patent No. 4,723,129, and so forth, a recording device using the bubble jet recording method comprises an ejection outlet for ejecting the ink, an ink flow path in fluid communication with the ejection outlet, and an electrothermal transducer as an energy generating means placed in the ink flow path. With this recording method, it is advantageous that a high quality image can be recorded at high speed and with low noise, and plurality of these ejection outlets can be deposited at high density and therefore, a recording apparatus can be provided. small size capable of providing a high resolution, and can easily form color images. Therefore, the bubble jet recording method is now widely used in printers, copying machines, facsimile machines or other office equipment, and for industrial systems, such as textile stamping device or the like. With the increase of the broad needs for the bubble jet technique, several demands or demands are imposed on it recently. For example, an improvement in the efficiency of energy use is required to fill the demand, the optimization of the heat generating element, as the thickness adjustment of the protective film is investigated. This method is effective, since the efficiency of propagation of the heat generated to the liquid is certainly improved. In order to provide images of superior quality, driving conditions have been proposed by which the ink ejection speed is increased, and / or bubble generation is stabilized to achieve better ink ejection. As another example, from the point of view of increasing the recording speed, improvements have been proposed in the configuration of the flow passage whereby the speed of liquid filling (filling) the liquid flow path is of course increased. The Japanese Patent Application Number SHO-63-199972, and so forth discloses the structure of the flow passage shown in Figure 39 (a), (b). The structure of the flow passage or the head manufacturing method disclosed in this publication has been carried out by observing a regression wave (the pressure wave directed away from the ejection outlet, more particularly towards a chamber 12 of liquid) generated in accordance with the generation of the bubble. The regression wave is known as a loss of energy since it is not directed towards the direction of ejection. Figure 39, (a) and (b) discloses a valve 10 separated from a generation region of the bubble generated by the heat generating element 2, in a direction away from the ejection Figure 11. In Figure 39, (b), the valve 4 has an initial position where it sticks to the ceiling of the flow path 5, and is suspended in the flow path 5 during the generation of the bubble. The loss is said to be suppressed by controlling a part of the regressive wave by the valve 4. On the other hand, in the bubble jet recording method, the heating is repeated with the heat generating element coming into contact with the ink and , therefore, a burnt material is deposited on the surface of the heat generating element due to the burnt deposit of the ink. However, the amount of deposition can be large depending on the materials of the ink. If this happens, the ink ejection becomes unstable. Furthermore, even when the liquid to be ejected is one that is easily damaged by heat even when the liquid is one with which the generated bubble is not sufficient, the liquid is desirable to be ejected in good order without change of ownership. Japanese Patent Application Number SHO-61-69467, Japanese Patent Application Number SHO-55-81172 and US Patent Number 4,480,259 disclose that different liquids are used for the liquid to generate the bubble by heat (generation liquid of bubble) and so that the liquid is ejected (ejection liquid). In these publications, the ink as the ejection liquid and the bubble generation liquid are completely separated by a flexible silicone rubber film or the like, in order to prevent direct contact of the ejection liquid with the heat generating element, while the pressure propagates resulting in the generation of bubbles of liquid generating bubbles towards the ejection liquid by deformation of the flexible film. The prevention of the deposition of the material on the surface of the heat generating element and the increase in the latitude of selection of the ejection liquid are achieved by this structure. However, in the head where the ejection liquid and the bubble generating liquid are completely separated, the pressure on the bubble generation is propagated to the ejection liquid through the deformation of the flexible film and, therefore, the pressure is absorbed by the flexible film to a fairly high degree. Also, the deformation of the flexible film is not so great and therefore, the efficiency of energy use and the ejection force are deteriorated even when some effect is provided by the provision between the ejection liquid and the generation liquid. bubbles.

COMPENDIUM OF THE INVENTION A principal object of the present invention is to provide a liquid container, a head cartridge and a liquid ejector apparatus wherein a liquid container for a single type of liquid can be mounted on a head of two liquid type so that the liquid containers are used effectively. Another object of the present invention is to provide a liquid container, a head cartridge and a liquid ejector apparatus, wherein the liquid container for a single liquid type can be mounted on a head of the two liquid type so that the liquid containers are used effectively, while the liquid container for the two liquid type is prevented from being mounted on the head to maintain the stability of the ejection operation. A further object of the present invention is to provide a liquid ejector apparatus and a liquid ejection control method wherein a liquid container of the single liquid type and a liquid container of the two liquid type can be assembled in a liquid container. Two-fluid type head with great reliability of head functioning. A further object of the present invention is to provide a liquid ejector apparatus in which even when the liquid container of the two liquid type is connected to a head of a single liquid type inadvertently, the liquid is not supplied. In accordance with one aspect of the present invention, there is provided a liquid ejecting head cartridge comprising: a liquid ejection head, the liquid ejection head includes: a first fluid flow path in fluid communication with a liquid ejection head; ejection outlet; a bubble generation region; a second distributed liquid flow path adjacent to the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generating region than the first position; wherein the first and second flow path of the liquid are capable of being supplied with different first and second liquids, respectively, wherein the movable member moves from the first position to the second position by pressure produced by the generation of the bubble in the bubble generating portion for directing the pressure towards the ejection outlet, thereby ejecting the liquid through the ejection outlet; and the cartridge further comprises: a liquid container device for supplying the liquid to the liquid ejection cartridge, wherein the device of the liquid container may have a first liquid container accommodating at least the first liquid, or a second liquid container accommodating the third liquid that is different from the first liquid and the second liquid, and that will be commonly supplied to the first and second liquid flow path, wherein the first and second liquid containers are capable of mounting in the ejector head of liquid. In accordance with another aspect of the present invention, a liquid container attachable with a liquid jet head is provided, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generating region and movable between a first position and a second position more distant from the bubble generating region than the first position; and wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generating portion to direct the pressure towards the ejection outlet, thus ejecting the liquid through of the ejection outlet; wherein the package accommodates liquids that are to be supplied to the first and second liquid flow paths; and wherein the container is connectable with both the liquid ejection head where the first liquid flow path and the second liquid flow path with respect to each other and a liquid ejection head are in fluid communication. which is capable of supplying different liquids to the first and second liquid flow paths. In accordance with a further aspect of the present invention, a liquid container attachable with a liquid jet head is provided, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet , a region of bubble generation; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generating region and movable between a first position and a second position more distant to the bubble generating region than the first position; wherein the first and second fluid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member is moved from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generating portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through the the ejection outlet, where the container accommodates at least the first liquid, and the package comprises: a prevention member for preventing the connection of the package with a liquid ejection head that is not intended to eject the first liquid. In accordance with a further aspect of the present invention, there is provided a liquid ejection apparatus comprising: a liquid container connectable to a liquid jet head, the liquid ejection head includes: a first liquid flow path in fluid communication with an ejection outlet, a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generating region and movable between a first position and a second position more distant from the bubble generating region than the first position; wherein the first and second fluid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generating portion to direct "the pressure towards the ejection outlet thereby ejecting the liquid through the liquid. the ejection outlet, wherein the container accommodates the first and second liquids, the container comprising: a first liquid supply port for supplying the first liquid, a second liquid supply port for supplying the second liquid; and second liquid supply ports have different configurations In accordance with a further aspect of the present invention, there is provided a liquid ejection apparatus comprising: a liquid ejecting head cartridge comprising a liquid ejection head and a liquid ejection head. liquid container device: the liquid ejection head includes: a first trajectory of liquid flow in fluid communication with an ejection outlet; a bubble generation region; a second distributed flow path adjacent to the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generating region than the first position; wherein the first and second fluid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generating portion to direct the pressure towards the ejection outlet thus ejecting the liquid through the ejection outlet; wherein the liquid container device for supplying the liquid to the liquid ejection cartridge, wherein the liquid container device can have a first liquid container accommodating at least the first liquid, or a second liquid container that accommodates the third liquid which is different from the first liquid and the second liquid, and which will be commonly supplied to the first and second liquid flow paths, and wherein the first and second liquid containers are mountable in the liquid ejector head; the apparatus further comprises: a carrier means for carrying the head cartridge; wherein the first liquid container is provided with a plurality of electrode pads, and the second liquid container is provided with a plurality of electrode pads, and the carrier medium is provided with electrode pins connectable to the first electrode pads. and second liquid containers, wherein the liquid container can be discriminated on the basis of the condition of the connections of the pins and the pads.

In accordance with a further aspect of the present invention, there is provided a liquid ejection control method for a liquid ejection head; the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generating region and movable between a first position and a second position more distant from the bubble generating region than the first position, wherein the first and second liquid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through of the ejection outlet; wherein the head is connectable both with a first liquid container that accommodates at least the first liquid and a second liquid container accommodating the third liquid that is different from the first liquid of the second liquid and that will be commonly supplied to the first liquid. and second liquid flow paths, and wherein the first and second liquid containers are mountable in the liquid ejector head; the control method comprises the step of providing a different bubble generating region in the liquid ejection head, depending on whether the first liquid container or the second liquid container is mounted. In accordance with a further aspect of the present invention, there is provided a liquid ejection apparatus comprising: a liquid ejecting head cartridge comprising a liquid ejection head and a liquid container device; the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generating region and movable between a first position and a second position more distant than the bubble generating region than the first position; and wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid to through the ejection outlet; the apparatus further comprises: a mounting means for mounting the liquid ejection head and the liquid container; a control valve to control the supply of liquid to the ejector head of liquid; a control portion for controlling the control valve; wherein the liquid container is provided with a plurality of electrode pads, and the carrier means is provided with electrode pins connectable to the electrode pads of the liquid containers, wherein the control valve is opened to allow delivery of liquid only when a predetermined connection state is established between the pins and the pads. In addition, the two-fluid type container is not mistakenly mounted in a liquid-type head. According to the present invention, a liquid container for a single liquid type can be mounted on a head and therefore, the utility is improved by effectively using the liquid container and the cost can be reduced. The operation of liquid ejection of the cooling operation is carried out in accordance with the property of the liquid supplied from the container of the correct liquid, identifying the kind of liquid container mounted on the head of two liquid type, so that superior quality images can be printed and reliability improved. In accordance with an aspect of the present invention wherein the filling property is improved, the response, stabilized growth of the bubble and stabilization of the droplet are achieved under the condition of a continuous ejection, so that they are achieved by means of the high-speed liquid ejection, high-speed recording and superior image quality registration. In this specification "upstream" and "downstream" are defined with respect to a general liquid flow from a liquid supply source to the ejection outlet through the bubble generation region (movable member). With respect to the bubble per se, "downstream" is defined as one side of the ejection outlet of the bubble that functions differently to eject the liquid droplet. More specifically, it generally means downstream from the center of the bubble with respect to the direction of the flow of the general liquid, or downstream from the center of the area of the heat generating element with respect thereto. In this specification, the term "essentially sealed" usually means a sealed state of such a degree that when the bubble grows it does not escape through a space (slot) around the movable member before movement of the movable member. In this specification, "separation wall" can mean a well (which may include the movable member) interposed to separate the region in direct fluid communication with the ejection outlet from the bubble generation region, and means more specifically a wall that separates the flow path that includes the generation region of bubbles from the flow path of the liquid in direct fluid communication with the ejection outlet, thus avoiding the mixing of the liquids in the flow paths of the liquid . These and other objects, features and advantages of the present invention will become more apparent when taking into account the following description of the preferred embodiments of the present invention, which have been taken together with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic sectional view of an example of a liquid ejecting head applicable to the present invention.

Figure 2 is a partially broken perspective view of a liquid ejection head applicable to the present invention. Figure 3 is a schematic view showing the propagation of pressure from a bubble in a conventional head. Figure 4 is a schematic view showing the propagation of the pressure from a bubble in a head applicable to the present invention. Figure 5 is a schematic view illustrating the flow of liquid in a head applicable to the present invention. Figure 6 is a partially broken away perspective view of a liquid ejection head according to the second embodiment applicable to the present invention. Figure 7 is a partially broken away perspective view of a liquid ejecting head according to a third embodiment of the present invention. Figure 8 is a sectional view of a liquid ejecting head according to a fourth embodiment. Figure 9 is a schematic sectional view of a liquid ejecting head according to a fifth embodiment of the present invention.

Figure 10 is a sectional view of an ejector head of the liquid (two trajectories) according to a sixth embodiment of the present invention. Figure 11 is a partially broken away perspective view of a tapered liquid ejector head in the type of Figure 10. Figure 12 illustrates an operation of a movable member. Figure 13 is a schematic illustration of a liquid ejector apparatus. Figure 14 is a functional figure of an apparatus. Figure 15 is a perspective view of the use of a single liquid type according to one embodiment of the present invention. Figure 16 is a perspective view of the use of two liquid type in accordance with one embodiment of the present invention. Figure 17 is an illustration of a configuration at one end of a supply orifice for the liquid, for the liquid ejecting head according to the embodiment of the present invention, wherein (a) is a perspective view, (b) ) is a perspective view of a portion of the filter at one end of a supply port of a liquid ejector head of a single liquid type in accordance with one embodiment of the present invention, and (c) is a perspective view of a filter portion forming an end portion of the supply port of a liquid ejector head of a single liquid type, in accordance with one embodiment of the present invention. Figure 18 (a) to (f) shows a modified example of the first embodiment of the present invention. Figure 19 shows another modified example of the first embodiment of the present invention. Figure 20 (a) through (d) shows an additional modified example of the first embodiment of the present invention. Figure 21 is a perspective view of a two liquid type liquid container according to another embodiment of the present invention. Figure 22 (a) through (d) shows an additional modified example of the first embodiment of the present invention. Figure 23 is a perspective view of a single liquid type liquid container for accommodating a plurality of ejection liquids in accordance with one embodiment of the present invention.

Figure 24 is a perspective view of a liquid-type container of two liquids for accommodating a plurality of ejection liquids in accordance with one embodiment of the present invention. Figure 25 shows an example of an electrode pad formed in a single liquid type liquid container. Figure 26 shows an example of an electrode pad formed in a two fluid type container. Figure 27 illustrates a structure of a movable member and a first liquid flow path. Figure 28 is an illustration of a structure of a movable member and a liquid flow path. Figure 29 illustrates another configuration of a movable member. Figure 30 shows a relationship between an area of a heat generating element and an ejection amount of ink. Figure 31 shows a relationship of the position between a movable member and a heat generating element. Figure 32 shows a relation between a distance from a shore of a heat-generating element to a point of support and a displacement of the movable member. Figure 33 illustrates a relationship of the position between a heat generating element and a movable member. Figure 34 is a longitudinal sectional view of a liquid ejecting head in accordance with one embodiment of the present invention. Figure 35 is a schematic view showing a configuration of a driving impulse. Figure 36 is a sectional view illustrating a delivery passage of a liquid ejecting head applicable to the present invention. Figure 37 is a detailed perspective view of a head applicable to the present invention. Figure 38 is an illustration of a liquid ejection recording system. Figure 39 is an illustration of a liquid flow passage structure of a conventional liquid ejector head.

DESCRIPTION OF THE PREFERRED MODALITY Before the embodiment of the present invention is described, the principle of ejection of liquid in the ejector head of liquid applicable to the present invention will be described, with the following first to sixth examples.

(Example 1) With this example, the description will be made as to an improvement in an ejection force and / or an ejection efficiency by controlling a direction of propagation of the pressure resulting from the generation of a bubble to eject the liquid, and controlling a direction of the bubble growth. Figure 1 is a schematic sectional view of an ejector head of liquid taken along with the liquid flow path of this example and Figure 2 is a partially broken perspective view of the ejection head of the liquid. The liquid ejection head of this embodiment comprises a heat generating element 2 (comprising a first heat generating element 2A and a second heat generating element 2B and having a dimension of 40 micrometers x 105 micrometers, as a whole, in this embodiment (as the ejection energy generating element for supplying thermal energy to the liquid for ejecting the liquid) A substrate 1 of the element where the heat generating element 2 is provided, and a liquid flow tracer 10 formed thereon of the substrate of the element corresponding to the heat generating element 2. The liquid flow path 10 is in fluid communication with a common liquid chamber 13 for supplying the liquid to a plurality of these liquid flow paths 10 which are in communication of fluid with a plurality of ejection outlets 18, respectively, above the substrate of the element in the liquid flow path 10, a movable member or plate 31 in the form of a cantilever beam of an elastic material, such as metal is provided facing the heat generating element 2. One end of the movable member is fixed to a base or foundation (support member) or the like which is provided by shaping the photosensitivity resin material in the wall of the liquid flow path or the substrate of the element, by means of this. structure, the movable member is held and constitutes a fulcrum (supporting portion) 33. The movable member 31 is positioned in such a manner that it has a fulcrum (a supporting portion that is a fixed end) 33 on one side in upstream with respect to a general liquid flow from the common liquid chamber 13 to the ejection outlet 18, through the movable member 31 which is caused by an ejection operation so as to have a free end (end portion) free) 32 on one side downstream of the point of support 33. The movable member 31 is oriented towards the heat generating element 2 with a space of approximately 15 micrometers, since it covers the generating element 2 of heat. A bubble generation region 11 is constituted between the heat generating element 21 and the movable member 31. The type, configuration or position of the heat generating element or the movable member is not limited to those described above, but can be changed as long as the growth of the bubble and the propagation of the pressure can be controlled. For the purpose of easy understanding of the liquid flow, which will be described below, the liquid flow path 10 is divided by the movable member 31 into a first liquid flow path 14 which is directly in communication with the outlet 18. of ejection and a second path 16 of liquid flow having the region 11 for generating bubbles and the orifice 12 for supplying liquid. By causing the heat generation of the heat generating element 2, the heat is applied to the liquid in the generation region 11 of bubbles between the movable member 31 and the heat generating element 2., whereby a bubble is generated by the boiling phenomenon of the film as disclosed in U.S. Patent No. 4,723,129. The bubble and the pressure caused by the generation of the bubble act mainly on the movable member so that the movable member 31 moves or moves to open widely towards the side of the ejection outlet around the point of support 33, as shown in Figure 1, (b) and (c) or in Figure 2. Through the displacement of the movable member 31 or the state after displacement, the propagation of the pressure caused by the generation of the bubble 40 and the growth of the bubble 40 per se, are directed towards the ejection outlet 18. Here, one of the fundamental ejection principles according to the present invention will be described. One of the important principles of this example is that the movable member positioned facing the bubble 40 moves from the first normal position to the second displaced position on the basis of the pressure of bubble generation or the bubble 40 per se, and the displacement or displaceable movable member 31 is effective to direct the pressure produced by the generation of the bubble 40 and / or the growth of the bubble 40 per se, towards the ejection outlet 18 (downstream). A more detailed description will be made in comparison between the conventional liquid flow passage structure that does not use the movable member and this example. Figure 3 is a schematic view illustrating the propagation of pressure from a bubble from a conventional head, and Figure 4 is a schematic view illustrating a pressure propagation from a bubble in a head applicable to the present invention. Here, the propagation direction of the pressure towards the ejection outlet is indicated by V ^, and the direction of propagation of the directed pressure upstream is indicated by Vg. In a conventional head as shown in Figure 3, there is no effective structural element to regulate the direction of propagation of the pressure produced by the generation of the bubble 40. Therefore, the direction of pressure propagation is normal to the surface of the bubble 40 as indicated by V1-V8, and therefore, is extensively directed in the passage. Between these directions, those of pressure propagation from essentially half of the portion of the bubble closest to the ejection outlet (V1-V4) have the pressure components in the direction Vj that is most effective for ejection of liquid . This portion is important, since it directly contributes to the efficiency of the liquid ejection, the liquid ejection pressure and the ejection velocity. In addition, component VI is closer to the direction of V ^ than the ejection direction and therefore, the component is more effective and V4 has a relatively small component in the VA direction. On the other hand, in the case of the present invention shown in Figure 4, the movable member 31 is effective for directing, downstream direction (ejection outlet side) the pressure propagating directions V1-V4 of the bubble that would otherwise be in different directions. Therefore, the pressure propagations of the bubble 40 are concentrated so that the pressure of the bubble 40 is able to contribute directly and efficiently to the ejection. The direction of growth per se of the bubble is directed downstream in a manner similar to the pressure propagating directions V1-V4 and the bubble grows more on the downstream side than on the upstream side. Therefore, the direction of growth per se of the bubble is controlled by the movable member, and the direction of propagation of the pressure from the bubble is controlled in this manner so that ejection efficiency, ejection force and the ejection velocity or the like, are fundamentally improved. Referring again to Figure 1, the ejection operation of the liquid ejector head in this example will now be described. Figure 1 (a) shows a state before the energy such as electric power is applied to the heat generating element 2 and therefore the heat has not yet been generated. It should be noted that the movable member 31 is positioned in such a manner to be oriented at least toward the downstream portion of the bubble generated by the heat generation of the heat generating element 2. In other words, in order for the downstream portion of the bubble to act on the movable member, the structure of the liquid flow passage is such that the movable member 31 extends at least to the downstream position. (downstream of a line passing through center 3 of the area of the heat generating element and perpendicular to the length of the flow path (from center 3 of the area of the heat generating element) Figure 1 (b) shows the state wherein the heat generation of the heat generating element 2 occurs by the application of electrical energy to the heat generating element 2, and a part of the filled liquid in the bubble generation region 11 is heated by the heat generated from This way, so that the bubble 40 is generated as a result of the boiling of the film During this moment, the movable member 31 moves from the first position to the second position by the pressure produced by the generation of the bubble 40, in order to guide the propagation of the pressure towards the ejection outlet. It should be noted that, as described above, the free end 32 of the movable member 31 is placed on the side in aciuas below (ejection outlet side), and that the point of support 33 is placed on the upstream side (side of the common liquid chamber) so that at least a part of the movable member is oriented towards the portion in water below the bubble, that is, the portion downstream of the heat generating element. Figure 1 (c) shows a state in which the bubble 40 has further grown by the pressure resulting from the generation of the bubble 40, and the movable member 31 is further displaced. The generated bubble grows more downstream than upstream, and expands greatly beyond a first position (broken line position) of the movable member. Therefore, it will be understood that in accordance with the growth of the bubble 40, the movable member 31 is gradually displaced whereby the pressure propagation direction of the bubble 40, the direction in which the movement of the volume to knowing, the direction of growth of the bubble, are directed uniformly towards the ejection outlet so that the ejection efficiency is increased. When the movable member guides the bubble and the bubble generation pressure toward the ejection outlet, it hardly obstructs propagation and growth and can efficiently control the direction of pressure propagation and the direction of bubble growth., in accordance with the degree of pressure. Figure 1 (d) shows the bubble 40 contracting and extinguishing by decreasing the internal pressure of the bubble after the boiling of the film. The movable member 31 having moved to the second position returns to the initial position (first position) of Figure 2, (a) by the softening force that is provided by the spring property of the movable member per se, and the negative pressure due to the contraction of the bubble. Upon crushing of the bubble, the liquid flows back from the side of the common liquid chamber as indicated by VTJI and Vjj2 Y from the ejection outlet side as indicated by VQ in order to compensate for the reduction in volume of the liquid. bubble in the region 11 of generation of bubbles and to compensate the volume of ejected liquid. In the foregoing, the description has been made as to the operation of the movable member that is caused by the generation of the bubble and ejection operation for the liquid and now a description will be made as to the filling of the liquid in the head ejector of liquid of this example. The liquid supply mechanism will be further described with reference to Figure 1. When the bubble 40 enters the bubble crush process after the maximum volume thereof (Figure 1, (c)), a volume of liquid sufficient to compensating the volume of the bubble crush flows to the bubble generation region from the side of the ejection outlet 18 of the first liquid flow path 14 and from the bubble generation region of the second path 16 of liquid flow. In the case of the structure of the conventional liquid flow passage that does not have the movable member 31, the amount of liquid from the side of the ejection outlet to the squashing position of the bubble and the amount of liquid from the chamber of common liquid towards it corresponds to the flow resistances of the portion closest to the ejection outlet that the bubble generation region and the portion closest to the common liquid chamber (resistances to the flow path and the inertia of liquid). Therefore, when the flow resistance on the ejection outlet side is small, a large amount of liquid flows to the bubble crush position from the ejection outlet side, with the result that meniscus retraction is big. With the reduction of flow resistance at the ejection outlet in order to increase ejection efficiency, meniscus retraction increases during bubble crushing with the result that a longer filling time period is required making it difficult high speed printing According to this example, due to the provision of the movable member 31, the meniscus retraction stops at the time when the movable member returns to the initial position during bubble crushing and subsequently, and the supply of the liquid to fill a volume 2 is achieved by flow through the second flow path 16 (W 1 is a volume of an upper side of the volume W of the bubble beyond the first position of the movable member 31, and W 2 is a volume of one side of the 11 generation region of bubbles thereof). In the prior art, half the volume of volume W of the bubble is the volume of meniscus retraction, but according to this mode only weighs about half (Wl) is the volume of meniscus retraction. In addition, the liquid supply for the volume W2 is forced to be effected mainly from upstream of the second liquid flow path along the surface of the heat generating element side of the movable member 31, using the pressure during the crushing of the bubble and therefore a faster filling action is achieved. When filling at high speed using the pressure during bubble crushing is carried out in a conventional head, the meniscus vibration expands with the result of the deterioration of the image quality, however, in accordance with this embodiment, the liquid flows in the first liquid flow path 14 on the side of the ejection outlet and on the ejection outlet side of the bubble generation region 11 are suppressed so that meniscus vibration is reduced. Therefore, in accordance with this example, a high-speed filling operation is achieved by forced filling to the bubble generation region through the liquid supply passage 12 of the second flow path 16, and by the suppression of meniscus retraction and vibration. Therefore, ejection stabilization and repeated ejections at high speed are achieved, and when the modality is used in the registration branch, the improvement in the quality of the image and the speed of registration can be achieved. The example provides the following effective function as well. It is a suppression of the propagation of the pressure to the upstream side (regressive wave) produced by the generation of the bubble. The pressure due to the side of the common liquid chamber (upstream) of the bubble generated in the heat generation element 2 has resulted mostly in a force pushing the liquid backwards from the upstream side (wave regressive). The regressive wave deteriorates the filling of liquid in the liquid flow path by the pressure on the upstream side, the resulting movement of liquid and the force of inertia. In this example, these upstream side actions are suppressed by the movable member 31 so that the filling operation is further improved.

An additional description will be made regarding the structure and effect in this example. With this structure, the liquid supply to the surface of the heat generating element 2 and the bubble generation region 11 occurs along the surface of the movable member 31 in the position closest to the bubble generation region 11. With this structure, the liquid supply to the surface of the heat generation element 2 and the bubble generation region 11 occurs along the surface of the movable member 31 in a position closer to the bubble generation region 11 as indicated by V [> 2 • Correspondingly, the liquid stagnation on the surface of the heat generation member 2 is suppressed so that the precipitation of the gas dissolved in the liquid is suppressed, and the residual bubbles that have not been extinguished are removed without difficulty, and also the accumulation of heat in the liquid is not too much. Therefore, higher stabilized generation of the bubble can be repeated at high speed. In this embodiment, the liquid supply passage 12 has an essentially flat internal wall, but this is not limiting, and the liquid supply passage is satisfactory if it has an internal wall with a configuration such that it extends uniformly from the surface of the heat generating element so that the staking of liquid occurs in the heat generating element and the turbulent flow is not significantly caused in the liquid supply. The supply of liquid to the bubble generation region can occur through a gap in a portion of one side of the movable member (slot 35) as indicated by Vpi. In order to direct the pressure on the generation of the bubble effectively also towards the ejection outlet, a large movable member covering the entire bubble generation region (covering the surface of the heat generating element) is can be used as shown in Figure 2. Then, the flow resistance for the liquid between the bubble generation region 11 and the region of the first liquid flow path 14 near the ejection outlet is increased by the resetting of the movable member to the first position, so that the flow of liquid to the bubble generating region 11 can be suppressed. However, in accordance with the head structure of this example, there is an effective flow to supply the liquid to the bubble generation region, which greatly increases the operation of the liquid supply and therefore, even when the movable member 31 cover the bubble generation region 11 to improve ejection efficiency, the operation of liquid supply does not deteriorate. Figure 5 is a schematic view illustrating the flow of liquid in this example. The positions of the free end 32 and the point of support 33 of movable member 31 are such that the free end 32 is relatively downstream of the point of support 33 as shown in the example of Figure 5. With this structure, the function and effect of guiding the direction of the pressure propagation and the direction of growth of the bubble towards the side of the ejection outlet 18 or the like, can be efficiently secured during generation of the bubble. In addition, the position relationship is effective to achieve not only the function or effect related to the ejection, but also the reduction of the flow resistance through the liquid flow path 10 during the liquid supply, allowing this way filling at high speed. When the meniscus M is retracted by the ejection as shown in Figure 5, it returns to the ejection outlet 18 by capillary force or when the liquid supply is made to compensate for the collapse of the bubble, the positions of the free end and the point of support 33 are such that the flows Si, S2 and S3 through the liquid flow path 10 including the first liquid flow path 14 and the second flow path 16 of liquid, do not impede of course. More specifically in this embodiment, as described above, the free end 32 of the movable member 3 is oriented towards the position downstream of the center 3 of the area that divides the heat generating element 2 in a region in waters above and a downstream region (the line passing through the center (central portion) of the area of the heat generating element and perpendicular to a direction of the length of the liquid flow path). The movable member 31 receives the pressure and the bubble 40 which contribute greatly to the ejection of liquid on the downstream side of the position 3 from the center of the area of the heat generating element 2 and guides the force towards the ejection outlet side , improving essentially in this way the efficiency of ejection or ejection force. Additional advantageous effects are provided by using the upstream side of the bubble 40, as described above. In the structure of this example, the instantaneous mechanical displacement of the free end of the movable member 31 is considered as contributing to the ejection of liquid.

(Example 2) Figure 6 is a partially broken away perspective view of a liquid ejecting head according to a second embodiment applicable to the present invention. In Figure 6 a state is shown in which the movable member moves (the bubble is not shown) and B shows a state in which the movable member is in its initial position (first position). In the latter state, the bubble generation region 11 is essentially sealed from the ejection outlet 18 (between A and B, there is a flow passage wall to isolate the paths). A base or foundation 34 is provided on each side, and between them, a liquid supply passage 12 is formed. With this structure, the liquid can be supplied along a surface of the movable member 31 facing the side of the heat generating element and from the liquid supply passage having an essentially flush surface with the surface of the generating element 2 of heat, or uniformly continuous with it. When the movable member 31 is in the initial position (first position), the movable member 31 is close to or closely in contact with a downstream wall 36 placed downstream of the heat generating element 2 and the walls 37 on the side of the heat generating element positioned on the sides of the heat generating element so that the side of the ejection outlet 18 of the region 11 of the bubble generation is essentially sealed. In this way, the pressure produced by the bubble at the time of generation of the bubble and particularly, the pressure downstream of the bubble can be concentrated on the free end side of the movable member, without releasing the pressure. At the time of the postponement of the bubble, the movable member 31 returns to the first position, the ejection outlet side of the bubble generation region 31 is essentially sealed and therefore, the meniscus retraction and the delivery of the meniscus is suppressed. liquid to the heat generating element is carried out with the advantages described above. With respect to the filling operation, the same advantageous effects as in the previous embodiment can be provided.

In this example, the base or foundation 34 for holding and fixing the movable member 31 is provided at an upstream position away from the heat generating element 2, as shown in Figure 3 and Figure 7, and the base or foundation 34 has a width smaller than the liquid flow path 10 to supply the liquid to the liquid supply passage 12. The configuration of the base or foundation 34 is not limited to this structure, but can be any if a uniform filling operation is achieved. In this embodiment, the clearance between the movable member 31 and the clearance is approximately 15 micrometers but the distance can be changed as long as the pressure produced by the generation of the bubble propagates sufficiently toward the movable member.

(Example 3) Figure 7 is a partially broken perspective view of a liquid ejecting head in accordance with a third embodiment of the present invention. Figure 7 shows the relationship of the position between the bubble generation region, the generation of the bubble therein and the movable member in the liquid flow path. In most of the previous examples, the pressure of the bubble generated is concentrated towards the free end of the movable member 31 whereby the movement of the bubble is concentrated towards the ejection side 18 simultaneously with the rapid movement of the movable member 31. In this mode, latitude is provided to the bubble generated and the portion downstream of the bubble (on the ejection outlet side 18 of the bubble) which directly influences the ejection of the droplet, is regulated by the free end side of the movable member 31. In comparison with Figure 2 (first mode), the head of Figure 7 does not include a projection (scored portion) as a barrier at the downstream end of the bubble generating region in the substrate 1 of the element of Figure 2. In other words, the free end region and the opposite lateral end regions of the movable member 31 open to the ejection outlet region without considerable sealing of the bubble generating region in this embodiment. In the downstream portion of the bubble directly capable of contributing to the ejection of the liquid droplet, the leading end downstream allows the growth of the bubble and therefore, the pressure component thereof is used in a manner effective for ejection. In addition, the pressure directed upstream at least in the downstream portion (VB component force in Figure 3) functions in such a way that the free end portion of the movable member is added to the growth of the bubble in the portion from the end downstream. Therefore, ejection efficiency is improved in a manner similar to the above modality. In comparison with the previous examples, the structure of this mode is better in its response of the drive of the heat generating element. In addition, the structure is simple so that fabrication is easy. The support portion of the movable member 31 in this example is fixed to a base 3-4 that has a width smaller than that of the surface portion of the movable member 31. Therefore, the supply of liquid to the bubble generation region 11 during bubble collapse occurs along both lateral sides of the base or foundation (indicated by an arrow). The base or foundation may be otherwise if a liquid supply operation is ensured.

In the case of this example, the existence of the movable member 31 is effective to control the flow to the bubble generation region from the top during the bubble crush, the liquid supply fill operation is better than the structure conventional bubble generator that only has the heat generating element. The retraction of the meniscus is also decreased in this way. In a preferable modified embodiment of the example, both lateral sides (or only one lateral side) of the movable member 31 are essentially sealed for the bubble generation region 11. With this structure, the pressure towards the lateral side of the movable member is also directed to the side end portion of the ejection outlet so that the ejection efficiency is further improved.

(Example 4) In this example, the ejection power for the liquid 'by mechanical displacement is further improved. Figure 8 is a cross-sectional view of this head structure usable with the present invention.

In Figure 8, the movable member is extended in such a manner that the position of the free end 32 of the movable member 31 is placed further downstream of the side end of the ejection outlet of the heat generating element 2. By this, the speed of movement of the movable member 31 in the free end position 32 can be increased and therefore, the production of the ejection power by the displacement of movable member 31 is further improved. In addition, the free end 32 is closer to the side of the ejection outlet 18 in the above embodiment and therefore, the growth of the bubble 40 can be concentrated towards the stabilized direction, thus ensuring better ejection. In response to the growth rate of the bubble 40 in the central portion of the bubble pressure, the movable member 31 travels at a displacement speed Rl. The free end 32 which is at some position further from this position from the point of support 33, moves at a higher speed R2. Therefore, the free end 32 acts mechanically in the liquid at a higher speed to increase the ejection efficiency. The configuration of the free end is in such a way that it is the same in Figure 7, the edge remains vertical to the flow of liquid whereby the pressure of the bubble 40 and the mechanical function of the movable member 31 are able to contribute more efficiently to the ejection.

(Example 5) Figure 9 is a view in schematic section of a liquid ejecting head of Example 5 applicable to the present invention. As is different from the above embodiment, the region in direct fluid communication with the ejection outlet 18 does not remain in fluid communication with the liquid chamber and therefore the structure is simplified. The liquid is supplied only from the liquid supply passage 12 along the surface of the bubble generation region side of the movable member 31. The free end 32 of the movable member 31, the positional relationship of the point of support 33 with respect to the ejection outlet 18 and the structure facing the heat generating element 2, are similar to the previously described embodiment. In accordance with this example, the advantageous effects on the ejection efficiency, the operation of the liquid supply and so on described above, are of course achieved. Particularly, meniscus retraction is suppressed and an essentially complete forced filling operation is performed using the pressure during bubble collapse. Figure 9 (a) shows a state in which the generation of the bubble is caused by the heat generating element 2 and Figure 9 (b) shows the state in which the bubble will contract. During this time, the return of the movable member 31 to the initial position and the supply of liquid via S3 will be effected. Figure 9, (c) the small retraction M of the meniscus during the return to the initial position of the movable member is compensated by being filled by capillary force in the vicinity of the ejection outlet 18.

(Example 6) In this example, the same principle of ejection is used and the liquid where the generation of bubbles (bubble generation liquid) is carried out and the liquid that is ejected mainly (ejection liquid) are separated. Figure 10 is a schematic sectional view in a liquid flow direction of the liquid ejecting head, in accordance with this embodiment. In the liquid ejector head, a second liquid flow path 16 is provided for the bubble generation liquid in a substrate 1 of the element that is provided with a heat generating element 2 to apply thermal energy in order to generate the bubble in the liquid, and in addition to the second liquid flow path 16, there is provided a first liquid flow path 14 for the ejection liquid in direct communication with the ejection outlet 18. The upstream side of the first liquid flow path remains in fluid communication with the first common liquid chamber 15 for supplying the ejection liquid to a plurality of first liquid flow paths, and the upstream side of the fluid. the second liquid flow path remains in fluid communication with the second common liquid chamber to supply the bubble generating liquid to the plurality of second liquid flow paths. In the case where the bubble generation liquid and the ejection liquid are equal liquids, the number of common liquid chambers can be one. Between the first and second liquid flow paths there is a separation wall 30 of an elastic material such as metal so that the first flow path 14 and the second flow path 16 are separated. In the case where mixing of the bubble generation liquid and the ejection liquid is minimal, the first liquid flow path 14 and the second liquid flow path 16 are preferably isolated by the partition wall 30. However, when mixing is permissible to a certain degree, complete isolation is not inevitable. The movable member 31 is in the form of a cantilevered beam where that portion of the separation wall is in a space projected upwards from the surface of the heat generating element 2 (ejection pressure generating region, region A and region 11 of generation of bubbles of region B in Figure 18) constitutes a free end by providing the slit 35 on the side of the outlet of the ejection (downstream with respect to the flow of the liquid) and the side of the common liquid chamber (15, 17) is a fixed portion or a fulcrum 33. This movable member 31 is positioned facing the bubble generating region (b) and therefore, operates to drain towards the the ejection outlet 18 of the first liquid flow path during generation of the bubble generation liquid (in the direction indicated by the arrow in the figure). In an example of Figure 11, likewise, a dividing wall 30 is placed with a space to constitute a second liquid flow path 16 above a substrate of the element 1 which is provided with a portion of a heat generating resistor as the heat generator element 2 and electrodes 5 for applying an electrical signal to the portion of the heat generating resistor. As for the ratio of the position between the fulcrum 33 and the free end 32 of the movable member 31 and the heat generating element 2, they are the same as in the previous example. In the previous example, the description has been made regarding the relationship between the structures of the liquid supply passage 12 and the heat generating element 2. The relationship between the second liquid flow path 16 and the heat generating element 2 is the same in that example. The operation of the liquid ejector head of this example will be described below. Figure 12 illustrates an operation of a movable member. The ejection liquid used in the first liquid flow path 14 and the bubble generation liquid used in the second liquid flow path 16 were the same water based inks. Through the heat generated by the heat generator element 2, the bubble generation liquid in the bubble generation region in the second liquid flow path 12 generates a bubble 40, by the phenomenon of boiling the film as described above. (United States Patent Number 4,723,129). In this example, the bubble generation pressure is not released in all three directions, except on the upstream side in the bubble generation region 11 so that the pressure produced by the generation of bubbles propagates in a concentrated manner in the side of the movable member 31 in the ejection pressure generating portion whereby the movable member 31 moves from the position indicated in Figure 12 (a) to the side of the first liquid flow path 14 as indicated in Figure 12 (b), with the growth of the bubble 40. By operation of the movable member, the first liquid flow path 14 and the second liquid flow path 16 are in extensive fluid communication with one another , and the pressure produced by the generation of the bubble 40 propagates mainly towards the ejection outlet in the first liquid flow path 14 (direction A). By propagation of the pressure and mechanical displacement of the movable member 31, the liquid is ejected through the ejection outlet. Then, with the contraction of the bubble, the movable member 31 returns to the position indicated in Figure 12 (a) and, correspondingly, a quantity of liquid corresponding to the ejection liquid is supplied from upstream in the first path 14 of liquid flow. In that embodiment, the direction of supply of the liquid is co-directional with the closure of the movable member 31 as in the foregoing embodiments, and the filling of the liquid is not prevented by the movable member 31. The main functions and effects with respect to the propagation of the bubble generation pressure with the displacement of the movable member 31, the direction of the growth of the bubble, the prevention of the regressive wave and so on in this embodiment are the same as with the first mode, but the structure of the trajectory of two flows is advantageous in the following points. The ejection liquid and the bubble generation liquid can be separated and the ejection liquid ejected by the pressure produced in the bubble generation liquid. Correspondingly, a liquid of high viscosity such as polyethylene glycol or the like, with which the generation of bubbles and therefore the ejection force is not sufficient by application of heat and which has not been ejected in good order, can be ejected. For example, this liquid is supplied to the first liquid flow path and the liquid with which the generation of bubbles in good order is supplied to the second path 16 as a bubble generation liquid, and an example of generation liquid of bubbles is a mixing liquid (approximately 1-2 CP of ethanol and water 4: 6). By doing this, the ejection liquid can be ejected properly. In addition, selecting as the bubble generation liquid a liquid with which the deposition such as that of the burned deposit does not remain on the surface of the heat generating element even during the application of heat, the generation of the bubbles is established to ensure the appropriate ejections. The effects described above in the foregoing embodiments are also provided in this embodiment, high viscosity liquid or the like can be ejected with a high ejection efficiency and a high ejection pressure. In addition, liquid that is not durable against heat is ejectable. In this case, this liquid is supplied in the first path 14 of liquid flow as the ejection liquid, and a liquid that is not easily altered in the property by this heat and with which the generation of bubbles is of good order, the second liquid flow path 16 is supplied. By doing this, the liquid can be ejected without thermal damage and with high ejection efficiency and high ejection pressure. The description will be made as to a liquid ejection recording device carrying a liquid ejecting head of Examples 1 to 6 above. Figure 13 is a schematic illustration of a liquid ejection apparatus. In this example, the ejection liquid is ink. The apparatus is an ink ejection recording apparatus, the liquid ejection device comprising a carriage HC to which the head cartridge comprising a portion 90 of the liquid container and a liquid ejection head portion 201 that are connectable detachably one with the other, is capable of mounting. The car HC is reciprocable in a width direction of the recording material 150 such as a record sheet or the like which is fed by a means of transporting recording material.

When a driving signal is supplied to the liquid ejector means in the carriage from a driving signal supply means not shown, the recording liquid is ejected to the recording material from the ejector head 201 in response to the signal. The liquid ejector apparatus of this example comprises a motor 111 as a driving source for driving the conveying means of the recording material and the carriage, the gears 112, 113 for transmitting the energy from the driving source to the carriage, and the arrow 115 of the car and so on. By means of the recording device and the liquid ejection method using this recording device, good impressions can be provided by ejecting the liquid towards the different recording materials. Figure 14 is a functional diagram of the entire device for carrying out recording by ejection of ink using the ejector head of the liquid and the liquid ejector method applicable to the present invention. The recording apparatus receives the print data in the form of a control signal from a guest computer. The print data is temporarily stored in an input interface 301 of the printing apparatus, and at the same time it becomes an accessible data to be admitted to a CPU 302, which is duplicated as a means for supplying a driving head signal. The CPU302 processes the aforementioned data admitted to the CPU302, in data capable of being printed (image data), processing it with the use of the peripheral units such as the similar RAM 304, following the control programs stored in one of the ROM 303. Furthermore, in order to record the image data to an appropriate area in the record sheet, the CPU302 generates drive data to drive a drive motor that moves the record sheet and the registration head in synchronism with the data from image. The image data and the motor drive data are transmitted to a head 200 and an impeller motor 306 through a head impeller 307 and a motor impeller 305, respectively, which are controlled with the appropriate timings to form an image. . As for the recording material, which adheres liquid such as ink and which is usable with a recording apparatus such as that described above, the following may be enumerated: several sheets of paper; OHP sheets; plastic material used to form compact discs, ornamental plates, or the like; cloth; metallic material such as aluminum, copper or the like; skin material such as cowhide, pig skin, synthetic leather or the like; wood material, such as solid wood, plywood and the like; bamboo material; ceramic material such as mosaics and material such as a sponge having a three-dimensional structure. The aforementioned recording apparatus includes a printing apparatus for the different sheets of paper or the OHP sheet, a recording apparatus for plastic material such as plastic material used to form a compact disc or the like, a recording apparatus for metal plate or the like, a recording device for leather material, a wood recording apparatus, a recording device for ceramic material, a recording device for three-dimensional recording material such as a sponge or the like, and a recording apparatus for textile printing to record images on canvas, and recording devices and the like. As for the liquid used for these liquid ejection devices, any liquid is usable as long as it is compatible with the recording medium employed and the registration conditions. In the foregoing, the description has been made as to the liquid ejection recording head and a liquid ejection recording device using the liquid ejection head applicable to the present invention.

Now, the description will be made regarding four embodiments of the present invention together with the accompanying drawing. With the head using the ejection principle described above, the bubble generating region is separated from the ejection outlet region by the movable member and, therefore, the structure of the two liquid flow passage can be adopted which includes a first liquid flow path in communication of fluid with the ejection outlet, and a second liquid flow path including a bubble generating region. For example, the structure of the two fluid flow passage described with Example 6 may be used. Using this liquid ejector head having the structure of the flow passage of two liquids, it is possible to constitute a head of two liquid type wherein the ejection liquid supplied to the first liquid flow path and the bubble generation liquid it is different from the ejection liquid, it is supplied to the second liquid flow path, and a type of a single liquid where the liquid is common to the first and second fluid flow paths (it is the ejection liquid, but it is Different from the liquid in the head of the two liquid type In the case of the head of the two liquid type, use is made of a liquid container that accommodates the bubble generation liquid and the ejection liquid separately, and in the In the case of the single-liquid type head, a container is used which accommodates the common liquids (ejection liquid) therein In Examples 1 to 5, those capable of separating the first and second Eight liquid trajectories can be used for the head of a single liquid type and the type of two liquids in the case in which the ejector head is capable of constituting the heads of two types, namely the type of a single liquid and the type of two liquids, the liquid container for the single liquid type can be mounted on the head of two liquid type or the liquid container for the two liquid type can be mounted on the head of single liquid type . When a single liquid type container is mounted on the head of the two liquid type, the registration property intended for the two liquid type head is not provided, but the registration property equivalent to or greater than that of the Registration property of a bubble jet printer is conventional. However, when the two-fluid type container is mounted on the single-fluid type head, the following problem arises. As described above, in the case of the two fluid type head, a highly viscous ejection liquid can be used. If this two-liquid type container is mounted on the single-fluid type head, high viscosity ejection liquid is used as a bubble generation liquid resulting in a burned deposit on the heat generating element and for therefore the ejection does not stabilize or fail. According to one embodiment of the present invention there is provided a mounting structure between the liquid ejector head and a liquid container wherein the single liquid type container can be mounted on the head of the two liquid type, but the container Two-fluid type is not mounted on the head of single-liquid type.

Modality 1 Figure 15 is a perspective view of the liquid container of the single-liquid type in the first embodiment of the present invention. Figure 16 is a perspective view of the liquid container of the two liquid type in the first embodiment of the present invention. Figure 17 is a perspective view of a liquid ejection head according to the present invention, and the views adjacent thereto, Figure 17, (a) is a perspective view of the liquid ejection head. Figure 17, (b) is a perspective view of the filter portion that is placed in the opening through which the liquid is delivered to the ejection head of the single-liquid type liquid in the first embodiment of the present invention and Figure 17, (c) is a perspective view of the filter portion that is placed in the opening through which the liquid is delivered to the liquid ejection head of the two ink type in the first embodiment of the present invention. A container 601 of the single liquid type illustrated in Figure 15 contains the common liquid (ejection liquid), and is provided with a liquid supply port 601a, through which the liquid (ejection liquid) retained within of the 601 package is supplied to a liquid ejection head. A liquid-type container 602 of the two-liquid type illustrated in Figure 16 separately contains the ejection liquid and the bubble-generating liquid, and is provided with semicircular liquid supply ports 602a and 602b through which the liquid of ejection and the bubble generation liquid retained in the container 602, are supplied to a liquid ejection head, respectively. The radii of the semicircular liquid supply ports 602a and 602b are the same as those of the circular liquid supply port 601a, but the supply ports 602a and 602b are divided by a partition portion 602c (the portion to prevent the two ports contact one another), which runs between holes 602a and 602b. Filter portions 603 and 604 illustrated in Figure 17 are in the form of a truncated cone placed inversely; the filters are wider at the upper end, or the opening, than at the lower end. They are essentially equally in external diameter, but are different in configuration; the filter portion 604 has a dividing groove 604a that runs through the upper end of the filter portion 604, while the upper end of the filter portion 603 has no groove. This slot 604a is configured and oriented such that the dividing portion 602c between the liquid supply ports 602a and 602b fits snugly within the slot 604a, when the filter portion 604 fits the liquid container 602 of the type of liquid 602a. two liquids With the provision of the aforementioned structure, the filter portion 603 is adjusted with the liquid container 601 of a single liquid type but does not conform with the liquid liquid container 602 of the two liquid type, since the portion of the orifice liquid supply of the liquid container 602 of the two liquid type is provided with the portion 602c dividing. On the other hand, filter portion 604 fits both liquid container 601 of a single liquid type and liquid container 602 of the two liquid type. Further, in order to adjust the filter portion 604 with the liquid supply port portion of the liquid-type liquid container 602, the partition portion 602c between the liquid supply ports 602a and 602b must be adjusted within the slot 604a, and this requirement regulates the orientation of the filter portion 604 when it is adjusted with the portion of the liquid supply port of the liquid container 602 of the two liquid type. Therefore, it is not the case that the liquid flow parts are supplied with the wrong liquid. In other words, in this embodiment, the orifices 602a and 602b of liquid supply are made different in configuration so that the ejection liquid and the bubble-generating liquid are prevented from being delivered to the wrong liquid flow path. As described above, according to this embodiment, the structures of the attached portions of the liquid container and the liquid ejection heads are such that the liquid container of the single liquid type can be fixed as much as possible. at the head of a single liquid type as the head type of the liquids, while the liquid container of the two liquid type can be fixed only to the head of two liquid type. In other words, in the case of a printer of an ejection head with a liquid and a liquid container whose joints are structured as described above, the user is prevented from mistakenly fixing a liquid-type container of two liquids to a head of a single liquid type. Further, in the case of a printer that is provided with a dual-liquid type head, the user is allowed to optionally select a single-liquid type ink pack or a two-liquid type ink pack in accordance with the quality of the image. In addition, a liquid container for a conventional bubble-jet type recording head can be provided with the same seal portion as the joint portion of a liquid container of the single-liquid type, so that it can be used with a printer with a head of two liquid type. With this arrangement, the user is allowed to use both an economical conventional liquid container and a single liquid type liquid container. In addition, the user may notice the difference between a liquid container of the single liquid type and a liquid container of the liquid type of its external appearances and therefore it is not the case that the user buys the wrong ink container. The seal structures for a liquid container and a liquid ejection head need not be limited to the configurations illustrated in the drawings. Any configuration is acceptable as long as it is able to prevent a liquid-type container of two liquids from being fixed in a wrong head. Then, liquid containers with a different version of gasket structure will be described below. In the case of a liquid-type container of two liquids which is illustrated in Figure 16, the blocking portion is bent as a dividing plate between the ejection liquid and the bubble-generating liquid. But, the blocking portion does not necessarily have to bend like a dividing plate. Figure 18, (a) - (f) illustrates modified versions of the joint structures described in the first embodiment. Figure 18, (a) and (b) are perspective views of a liquid container of the two liquid type and a liquid container of the single liquid type, respectively; and Figures 18, (c) and (d), are views cut in perspective of the liquid containers illustrated in Figures 18, (a) and (b), illustrating their internal structures, Figure 18, (e) and (f) are schematic perspective views of an ejection head, liquid type of two liquids and a liquid ejection head of a single liquid type corresponding to the liquid containers illustrated in Figures (a), (b), (c) and (d), respectively. In these modifications, the liquid ejection head of the two liquid type is provided with two ink introduction tubes 703 and 704 through which the bubble generation liquid and the liquid of the liquid are introduced into the head, respectively. ejection The liquid ejection head of a single liquid type is provided with an ink introduction tube 705 through which the ejection liquid is introduced into the head. The ink introduction tubes 703 and 704 are round at the ink receiving end, while the ink introduction tube 705 is oval at the ink receiving end. As is evident from Figures 18 (a) and (b), the ink supply ports 701a and 701b of the liquid container 701, and the ink supply ports 702a of the liquid container 702, are configured so as to conform perfectly with the filters 703 and 704 of the ink introduction tube, and the filter 705 of the ink introduction tube respectively. The liquid container 702 of a single liquid type has a structure in such a way that it allows the container 702 to also be attached to the liquid ejection head of the two liquid type which is illustrated in Figure 18 (e). In this modification, when the single liquid type liquid container 702 illustrated in Figure 18 (b) is connected to the two liquid type head illustrated in Figure 18 (e) certain areas of the supply orifice 702a The liquid is not covered with filter 703 or 704, which may allow liquid to escape from the gasket. This type of leakage or leakage can be avoided by placing a negative pressure generator member 708 formed of urethane foam, a unidirectional fiber bundle or the like in the single liquid type liquid container 702 immediately behind the liquid supply port 702a. , as shown in Figure 18 (d). The negative pressure generating member can be placed in the ink supply orifices of the liquid-type liquid container 701. Figure 18 (c) shows these members 706 and 707 negative pressure generators positioned in the liquid supply ports 701a and 701b of the liquid-type liquid container 701. In fact, it is desirable that a liquid-type liquid container with the negative pressure generating members is also provided, since the provision provides for the simplification of the design of the seal portion for the liquid ejection head of the type of two liquids in terms of configuration, resistance to flow in relation to the liquid contained in a liquid container of the single liquid type and the liquid contained in a liquid container of the type of two liquids and the like. A non-necessary blocking portion must be part of a liquid supply port or placed in a location related to the liquid supply function. It can be optionally placed as long as it functions properly as a blocker. Figures 19 (a) - (d) and Figures 20 (a) - (d) illustrate these modifications of the primary embodiment of the present invention, wherein a blocking portion is placed in a location other than the opening of the ink supply hole. Figures 19 (a) - (d) illustrate the modified version of the first embodiment of the present invention. Figures 19 (a) and (b) are schematic perspective views of a liquid container of the two liquid type and a liquid container of the single liquid type respectively, and Figures 19 (c) and (d) are schematic perspective views of the retenores for a liquid-type container of two liquids and a liquid container of the type of a single liquid, respectively.

A modified liquid two-type liquid container 711 and a modified liquid-only type liquid container 712 are provided with the liquid supply ports 711a and 711b and the liquid supply ports 712a and 712b, respectively. Liquid-type container 712 of a single liquid type is provided with two liquid supply ports, but contains only one liquid. The liquid supply ports 711a and 712a are of the same configuration and the liquid supply ports 711b and 712b are of the same configuration. However, the portions of the liquid supply port in this modification do not have a feature that allows the portion of the liquid supply port to function as a blocking portion. The only visible difference between the liquid-type container of two liquids and the liquid container of the single-liquid type is that the upper surface of the liquid-type container of two liquids is provided with a projection 711c. Referring to 18 (c) and (d), both ejector portions of liquid with a retention portion are provided so that the liquid containers can be easily fixed to the liquid ejection heads. More specifically, both retention portions are provided with a structure that allows each retention portion to retain four liquid containers, each of which contains a different liquid (e.g., yellow ink, magenta ink, cyan ink, and ink). black). These liquid ejection heads with the retaining portion are mounted on the carriage of a recording apparatus for recording color images. The retention portion is provided with the filters 717 (a) and 717 (b) that can be adjusted with the liquid supply ports of both liquid containers. The liquid is delivered to the liquid ejection head through these filters. Between the two retaining portions, the retaining portion 713 of the two-fluid type head is provided with a notch 715 (recessed portion) corresponding to the projection 711c of the liquid-liquid type container, but the corresponding portion of the head retaining portion 714 of a single liquid is not provided with a notch. Thus, the single liquid type liquid container can be installed both in the retention portion of the single liquid type liquid ejection head and the retention portion of the liquid two liquid ejection head, but the liquid container of the two liquid type is provided with the projection 711c and can be installed in the retaining portion 713 of the liquid ejection head of the two liquid type, which is provided with the notch 715 corresponding to the projection 711c as illustrated in Figure 19 (c), but can not be installed in the retention portion 714 of the single-liquid type ejection head, which is not provided with a notch as illustrated in Figure 19 (d). Figures 20 (a) - (d) are schematic views of another example of the modified version of the liquid container according to the present invention. In this modification, the single liquid type liquid container has a supply hole 722a and a slot 722b, and a container 721 of the liquid two type liquid has a bubble generation supply hole 721a and a orifice 721b for ejection liquid supply. The retention portion 724 of a liquid ejection head of a single liquid type is provided with a tongue-like portion 725 corresponding to the groove 722b, while the retention portion 723 of the liquid ejection head Two fluid type is not provided with a tongue-like portion. The retention portion 723 is provided with the filters 726a and 726b corresponding to the liquid supply ports 721a and 721b of the liquid container 721, respectively, and the retention portion 724 is provided with a filter 727 corresponding to the orifice 722a of liquid supply of the 722 container of liquid. In this modification, the tongue-like portion 725 of the retaining portion 724 constitutes a locking portion. In the various modifications described above, all liquid containers of the two liquid type were structured to separately contain the ejection liquid and the bubble generation liquid, but this structure is not essential. For example, the two liquid type liquid container 602 illustrated in Figure 16 can be replaced by two separate liquid containers 612 and 613 illustrated in Figure 21, corresponding to two imaginary containers, respectively, which are created by dividing the container 602 in a plane to which it is passed longitudinally through dividing portion 602c. Needless to say, in order to avoid the ejection liquid or the bubble-generating liquid being supplied to the wrong or wrong liquid path of a two-liquid type liquid ejection head, a liquid supply port can not only vary in configuration, but also in location.

It is not necessary that a liquid container for the bubble generation liquid be able to easily connect to or separate from the recording head portion of a liquid ejection head as long as the liquid ejection head is structured in order to that the bubble generation liquid in a liquid ejection head of the two liquid type is prevented from being inadvertently introduced into a wrong liquid flow path of another liquid ejection head. Figures 22 (a) - (d) are schematic perspective views of liquid containers and liquid ejection heads modified to meet the requirement described in the previous paragraph. Figures 22 (a) and (b) are schematic perspective views of a liquid container of the two liquid type and a liquid container of the single liquid type, respectively. Figures 22 (c) and (d) are schematic perspective views of a liquid ejection head of the two liquid type and a liquid ejection head of the single liquid type, respectively. In this modification, a container 731 of liquid of the two types contains only ejection liquid, and the bubble generation liquid is supplied to a recording head, through a tube 733 for introducing bubble generation liquid that is illustrated in Figure 22 (c), a tube not illustrated and the like, from a bubble generation liquid container (not shown) placed in a recording apparatus, at a location remote from the recording head. The liquid supply ports 732a and 731a of the single liquid type liquid container and the liquid two liquid container respectively are sealed with an elastic member formed of a material, eg, rubber and contain liquid. On the other hand, a head portion 738 of a single liquid and a head portion 735 of the two liquid type are provided with the ink introduction tubes 737 and 734, like a hollow needle for introducing the liquid into the portions of registration head, respectively. The two-fluid type head portion 735 is provided with a recessed portion 736 which is fitted with a projection 731b of the liquid-type liquid container 731 which is placed on the wall with the ink supply port. In this modification, a projection 731b of the liquid-type liquid container 731 that is placed on the surface that contacts the portion of the registration head, prevents the liquid-type container 731 from being liquid-like. connect with the liquid ejection head of a single liquid type, however, the single liquid type liquid container can be connected to the liquid ejection head of the two liquid type, since the packaging structure 731 of liquid-type liquid two of the container 731 of liquid type of a single liquid are essentially the same, except as regards projection 731b of the liquid-type container 731 of liquid type. In the foregoing description of the liquid containers and the liquid ejection heads, the liquid ejection recording apparatus in which the liquid container or containers were installed is described as a liquid ejection head wherein only a single Liquid container and a single registration head can be assembled, but needless to say that the present invention is applicable to a liquid ejection recording apparatus or the like wherein a plurality of liquid containers for retaining a plurality of liquids of different colors and a corresponding number of registration heads are provided of course. In the case of the last apparatus, the plurality of liquid containers can be made identifiable by attaching a conventional color label (or type of liquid) to each liquid container so that the user is prevented from attaching a container to a registration head. which contains ink of the wrong color.

Mode 2 In the above embodiment, only one type of liquid was contained in a liquid container, but there are times when several kinds of ejection liquids (eg, different colored ejection liquids) are used. In order to deal with these situations, a liquid container comprising a plurality of liquid cells is sometimes used instead of the plurality of regular liquid containers. Therefore, in this embodiment, the present invention will be described with reference to a liquid container comprising a plurality of liquid cells for retaining the plurality of liquids in a single liquid container with multiple liquid cells. Figure 23 is a perspective view of a liquid container comprising a plurality of liquid cells of a single liquid type for retaining a plurality of liquids. Figure 24 is a perspective view of a liquid container comprising a plurality of liquid cells of the two liquid type for retaining a plurality of liquids. A liquid container 605 illustrated in Figure 23 is provided with liquid supply ports 605a, 605b, and 605c that are of the same configuration as the liquid supply port 601a illustrated in Figure 15. It will be adjustable with both portion 603 of filter as with the filter portion 604 that is provided with the dividing slot 604a, which are illustrated in Figure 17. Three types of liquids are contained separately in their own liquid cells and are supplied individually to the liquid ejection head through its own liquid supply ports 605a, 605b and 605c. A liquid-type liquid container 606 illustrated in Figure 24 is provided with the liquid supply ports 606a, 606b and 606c which are of the same configuration as the liquid supply port 602a with the partition portion 602c illustrated in FIG. Figure 16. Can be equipped with only the filter portion 604 with the dividing slot 604a illustrated in Figure 17. It can separately contain three types of ejection liquids and three types of bubble generation liquids, and these separately held liquids are supplied to a liquid ejection head through its own liquid supply ports 606a, 606b and 606c. With the provision of the aforementioned structure, even when a plurality of ejection liquids contained in a single liquid container with three (or six) liquid cells is used, a liquid container of the two liquid type is prevented from being inadvertently fixed to a single liquid type liquid ejection head; in other words, the same effects as those described in the first modality can be obtained.

Mode 3 If a liquid container of a single liquid type is attached to a head of the two liquid type such as that described above, the ejection liquid supplied from this liquid container is also used as the liquid generating the liquid. bubbles. In this case, the voltage applied to the heat generating member can be decreased since the viscosity of the ejection liquid is low. When the voltage applied to the heat generating member can be decreased as in this case, the electric power consumption and the ink consumption are reduced by reducing the driving power and the number of preliminary pulses. On the other hand, when a liquid-type container of two liquids is attached to a head of the two-liquid type, the liquid container can contain the ejection liquid with high viscosity prepared in order to improve the registration operation. In this case, the voltage applied to the heat generating member must be increased. When it is necessary to increase the voltage applied to the heat generating member, the driving power and the number of preliminary pulses must be increased. As described above, between when a liquid container of a single liquid type is attached to a liquid ejection head of the two liquid type, and when a liquid container of the two liquid type is attached to a liquid ejection head of the two liquid type, the bubble generation characteristic and the liquid ejection characteristics of the liquid ejection of the two type liquid changes, and therefore it is necessary to adjust the appropriate values for the voltage to be applied to a heat generating member, the driving pulse width and the like, according to the type of liquid container fixed to the ejection head liquid of the two liquid type so that the liquid ejection head of the two liquid type is properly driven, and the so-called recovery operation is carried out properly. This knowledge can be used in the following way. For example, when a negative pressure generating type liquid container is to be used with a conventional bubble jet system is connected with a head of two liquid type, the driving sequence should be slightly reduced compared to when a liquid container Two fluid type is fixed to a head of two liquid type. With this arrangement, a certain amount of ink will be left unused in a liquid container of conventional negative pressure generation type, i.e., the ink that is not ejected by the conventional bubble jet head due to the increase in negative pressure generated by the conventional ink container, it can be partially ejected; in other words, the light or ink efficiency of a conventional liquid container can be improved. In this embodiment, in order to identify whether the liquid container that is attached to a liquid ejection head is of a single liquid or two liquid type, a single liquid type liquid container and a container of liquid type of two liquids are structured as will be described below. Referring to Figure 25, there is provided a liquid container 607 of a single liquid type with a liquid supply port 607a that is of the same configuration as the liquid supply port 601a illustrated in Figure 15, and two electrode pads 617a and 617b are placed on the upper surface.

Referring to Figure 26, a liquid-type container 608 of liquid type is provided with a liquid supply port 608a that is of the same configuration as the liquid supply port 602a, which is illustrated in Figure 16, and it is also provided with two electrode pads 618a and 618b, which are also placed on the upper surface, but which are different in their placement arrangement of the electrode pads 617a and 617b. The liquid container assembly portion (carriage) of a liquid ejection apparatus, wherein the aforementioned single liquid type liquid container 607 or the liquid liquid type container 608 is mounted, is provided with electrode pins which are placed for correspond to the electrode pads 617a, 617b, 618a or 618b so that the type of liquid container that has been mounted on the carriage can be identified on the basis of which of the electrode pads are related to which electrode pins . In the case of a liquid ejection apparatus in this mode, the CPU 302 of the recording apparatus illustrated in Figure 14 detects that the mounted liquid container is a liquid container 607 of a single liquid type or a container 608 liquid type of two liquids based on the type of connections between the electrode pads and the electrode pins and performs an appropriate ejection operation or a recovery operation (recovery sequence). For example, when the mounted liquid container is a 607 single fluid type liquid container, the CPU reduces the bubble generation power (size of the bubble generating region) during the liquid ejection operation or the operation. of recovery, and when the mounted liquid container is a 608 liquid-type container of two liquids the bubble generation power (to the size of the bubble generating region) during the liquid ejection operation and the recovery operation increases . More specifically, the power of bubble generation is controlled by reducing or increasing the voltage to be applied to a heat generating member. Also in accordance with this embodiment, it is possible to prevent a liquid-type liquid container from being inadvertently connected to a liquid ejection head of a single liquid type; in other words, the same effects as those described in the first modality can be obtained. In the aforementioned description of this embodiment, the present invention was described with reference to a liquid ejection recording apparatus wherein only a cartridge is mountable, but needless to say that the present invention is also applicable to a recording apparatus of the invention. liquid ejection where a plurality of cartridges containing liquid of different colors are mountable together. In the case of the last apparatus, the types of liquid containers prepared for the different liquids are detected by a detection element, such as the aforementioned electrode pad. The types of liquid must be identifiable by the user so that the user is prevented from connecting a liquid container filled with the wrong liquid with the liquid ejection head. This can be achieved by preparing conventional color labels (of the liquid type) as described in the first embodiment.

Mode 4 In accordance with the foregoing description of the third embodiment of the present invention, whose type of liquid container is related to the liquid ejection head of the two liquid type, is determined on the basis of the types of connection between the electrode pads that are provided on the side of the liquid container, and the electrode pins that are provided on the side of the main assembly of the apparatus. This method can be adopted to regulate the flow of liquid from a liquid container of two liquid type, to a head of a single liquid type. For example, a liquid container or a liquid ejection head is provided with a control valve to control the supply of liquid to the liquid ejection head. The CPU 302 of a recording apparatus detects whether the mounted liquid container is a liquid container of a single liquid type or not, based on the types of the connection between the electrode pads and the electrode passages and only when the mounted liquid container is a liquid container of the single liquid type it opens to the control valve to allow the liquid to be delivered to the ejection head of the liquid. In this case, it is desirable that the control section allows the liquid ejection head to eject liquid only when the increased liquid container is a single liquid type liquid container. In addition, when the liquid in a liquid-type container of two liquids is prevented from being supplied to a head of single-liquid type based on the types of the connection between the electrode pads that are provided on the side of the container of the liquid, and the electrode pins that are provided on the side of the main assembly of the apparatus as described in this embodiment, the liquid supply port of the single-liquid type liquid container and the liquid container of the liquid type. Two liquids can be of equal configuration and able to connect with both the head of a single liquid type and the head of the two liquid type. This is due to the fact that even when a liquid-type container of two liquids is connected to a single-liquid type head, no liquid is supplied to the head of the single liquid type.

(Other Examples) Other examples of the liquid ejecting head applicable to the present invention will be described. In the following description, one of the type of a single liquid and of the type of two liquids will be taken, but the examples are applicable to any of them, unless the opposite is particularly manifest.

- «- Configuration of the ceiling of the liquid flow path > Figure 27 illustrates a structure of a movable member and a first liquid flow path.

As shown in Figure 27, a slotted member 50 having slots for constituting the first liquid flow paths 13 (or the liquid flow path 10 in Figure 1) is provided in the partition wall 30. In this example, the first liquid flow path has a ceiling adjacent the free end of the movable wall that is higher to allow a larger movable angle T of the movable member 31. The movable scale of the movable member can be determined on the basis of the structures of the flow path, the durability of the movable member, the power of generation of bubbles and / or similar factors. It is preferred that the angle be wide enough to include the direction of the ejection outlet. By making the displacement height of the free end of the movable member larger than the diameter of the ejection outlet, as shown in the Figure, they transmit sufficient ejection powers. As shown in the figure, the height of the ceiling of the liquid flow path at the position of the fulcrum 33 of the movable member is smaller than the height of the ceiling of the liquid flow path at the position of the liquid. free end 32 of the movable member, and, therefore, the release of the pressure wave due to displacement of the movable member upstream can be prevented effectively. < Relationship of the position between the second liquid flow path and movable member > Figure 28 is an illustration of a position relationship between the movable member 31 described above and the second liquid flow path 16 and (a) is a view of the position of the movable member 31 of the dividing wall 30 as seen from above; (b) is a view of the second liquid flow path 16 seen from above without the dividing wall 30; and (c) is a schematic view of the relationship of the position between the movable member 6 and the second liquid flow path 16 where the elements are placed above. In these Figures, the lower part is a front side that has the ejection outlets. The second liquid flow path 16 of this example has a throat portion 19 upstream of the heat generating element 12 with respect to a general flow of liquid from the second side of the common liquid chamber to the ejection outlet a through the position of the heat generating element, the position of the movable member along the first flow path in order to provide a chamber (bubble generation chamber) effective to suppress easy release, to the upstream side , of the pressure produced during the generation of bubbles in the second path 16 of liquid flow. In the case of the conventional head where the flow path where the generation of bubbles occurs and the flow path from which the liquid is ejected are equal, a throat portion can be provided to prevent the release of the pressure generated by the fluid. generating element of heat towards the liquid chamber. In this case, the cross-sectional area of the throat portion should not be too small taking into account sufficient filling of the liquid. However, in the case of this example, large or most ejected liquid comes from the first liquid flow path and the bubble generation liquid in the second liquid flow path that has the non-heat generating element. it is largely consumed so that the filling amount of the bubble-generating liquid to the bubble generation region 11 may be small. Thus, the clearance in the portion 19 of the throat can be made very small, for example, as small as several micrometers ten or several micrometers, so that the release of the pressure produced in the second liquid flow path can be suppressed further and further concentrating on the side of the movable member. The pressure can be used as the injection pressure through the movable member 31, and therefore, the efficiency of use of high ejection energy and the ejection pressure can be achieved. The configuration of the first liquid flow path 16 is not limited to that previously described, but can be any if the pressure produced by the generation of bubbles is transmitted effectively to the side of the movable member. As shown in Figure 28, (c), the lateral sides of the movable member 31 cover the respective portions of the walls constituting the second liquid flow path so as to prevent the fall of the movable member 31 toward the second path. of liquid flow. In doing so, the above described separation between the ejection liquid and the bubble generation liquid is further improved. In addition, the release of the bubble through the slot can be suppressed so that the ejection pressure and the ejection efficiency are further increased. In addition, the above-described effect of refilling from the upstream side by pressing during bubble crush can be further improved. In Figure 12, (b) and Figure 27, a part of the bubble generated in the bubble generation region of the second liquid flow path 4 with the displacement of the movable member 6 towards the side of the first path. of liquid flow extends to the side of the first liquid flow path 14 by selecting the height of the second flow path to allow this bubble extension, the ejection force to be further improved compared to the case without this extension of the bubble. To provide this extension of the bubble to the first liquid flow path 14, the height of the second liquid flow path 16 is preferably lower than the height of the maximum bubble, more particularly the height of preference is several. micrometers - 30 micrometers, for example. In this example, it is 15 micrometers. < Movable member and separation wall > Figure 29 shows another example of the movable member 31 where the reference number 35 designates a slot formed in the dividing wall and the slit is effective to provide the movable member 31. In Figure (a), the movable member has a rectangular configuration, and in (b), it is narrower on the side of the fulcrum to allow increased movability of the movable member, and in (c) it has a pointed side of wider support to improve the durability of the movable member. In Figure 29, designated by 35 is a slot provided in the partition wall, and the movable member 31 is formed by the slot. The narrower and arched configuration on the side of the fulcrum is desirable as shown in Figure 28, (a) since ease of movement as well as durability are satisfied. However, the configuration of the movable member is not limited to that described above but can be any if it does not enter the side of the second liquid flow path and the movement is easy with great durability. In the foregoing embodiments, the movable plate or member 31 of film and the partition wall 5 having this movable member was made of a nickel having a thickness of 5 micrometers, but this is not limited to this example, but can be be any and have the anti-solvent property against the bubble generation liquid and the ejection liquid, and if the elasticity is sufficient to allow the operation of the movable member, and if the required fine slit can be formed.

Preferred examples of the materials for the movable member include durable materials such as metal, for example silver, nickel, gold, iron, titanium, aluminum, platinum, tantalum, stainless steel, phosphorus bronze or the like, alloys thereof, or resin material having a nitrile group such as acrylonitrile, butadiene, styrene or the like, a resin material having an amide group such as polyamide or the like, a carboxyl-containing resin material such as polycarbonate or the like, a resin material having an aldehyde group such as polyacetal or like, a resin material having a sulfone group such as poly-sulfone, a resin material such as a liquid crystal polymer like, a chemical compound of the same; or materials having durability against ink, such as metal for example, gold, tungsten, tantalum, nickel, stainless steel, titanium, alloys thereof, materials coated with this metal, resin material having an amide group such as polyamide, resin material having an aldehyde group such as polyacetal, resin material having a ketone group, such as polyetheretherketone, resin material having an amide group such as polyamide, resin material having a group of hydroxyl for example, phenolic resin, resin material having an ethyl group such as polyethylene, resin material having an alkyl group such as polypropylene, resin material having an epoxy group such as an epoxy resin material, resin having an amino group such as melamine resin material resin material having a methylol group such as xylene resin material, a chemical compound of the same, ceramic material such as silicon dioxide or a chemical compound thereof. Preferable examples of partition or partition wall include a resin material having high heat resistance, a high property of antisolvent and a high molding property, more particularly recently modified plastic resin materials such as polyethylene, polypropylene, polyamide , polyethylene terephthalate, melamine resin material, phenolic resin, epoxy resin material, polybutadiene, polyurethane, polyetheretherketone, polyether sulfone, polyallylate, polyimide, polysulfone, liquid crystal polymer (LCP), or a chemical compound thereof , or a metal for example silicon dioxide, silicon nitride, nickel, gold, stainless steel, alloys thereof, a chemical compound thereof, or materials coated with titanium or gold.

The thickness of the separation wall is determined depending on the material used and the configuration from the standpoint of sufficient strength as the wall and sufficient functionality as the movable member, and is generally desirable from 0.5 micrometer to 10 micrometers. The width of the slot 35 to provide the movable member 31 is 2 microns in the modalities. When the bubble generation liquid and the ejection liquid are different materials, the mixing of the liquids must be avoided, the space is determined in order to form a meniscus between the liquids, thus avoiding the mixing between them. For example, when the bubble generation liquid has a viscosity of about 2 centipoise, and the ejection liquid has a viscosity of not less than 100 centipoise, a slot of about 5 micrometers is sufficient to avoid mixing of the liquids, but it is desirable no more than 3 micrometers. In this example, the movable member has a thickness of the order of micrometers as the preferable thickness and the movable member having a thickness of the order of centimeters and is not used in usual cases. When a slit is formed in the movable member, having a thickness within the order of micrometers, and the slot having the width (W micrometer) of the thickness order of the movable member, it is desirable to take into account the variation in manufacture. When the thickness of the member opposite the free end and / or the side edge of the movable member formed by a slit is equivalent to the thickness of the movable member (Figures 13, 14 or the like), the relationship between the width of the slot and the thickness preference should continue to take into account the variation in manufacturing in order to stably suppress the mixing of the liquids between the bubble generation liquid and the ejection liquid. When the bubble generation liquid has a viscosity of no more than 3 centipoise, and a high viscosity ink (5 centipoise, 10 centipoise or similar) is used as the ejection liquid, the mixture of the 2 liquids can be suppressed for a period of time. long period if W / t is satisfied < 1. The slot that provides the "considerable seal", preferably has a width of several microns, since it ensures the prevention of the mixture of liquids. When the separate bubble generation liquid and the ejection liquid are used as described above, the movable member functions in fact as the separation member. When the movable member moves in accordance with the generation of the bubble, a small amount of bubble generation liquid can mix in the ejection liquid. Usually, the ejection liquid to form an image in the case of the ink jet recording contains from about 3 percent to about 5 percent of the coloring material and therefore, whether the content of the bubbling liquid that has escaped , in the ejection fluid is not greater than 20 percent, no change in significant density results. Therefore, the present invention covers the case where the mixture ratio of the bubble generation liquid is no more than 20 percent. In the above embodiment, the mixing of bubble generation liquid is at most 15 percent, the viscosity of the same is still changed, and in the case of the bubble generation liquid having a viscosity not greater than 5 centipoise, the mixing ratio was at most 10 percent to about even though it is different depending on the driving frequency. The ratio of the mixed liquid can be reduced by reducing the viscosity of the ejection liquid to a scale of less than 20 centipoise (e.g., no more than 5 percent).

The description will be made as to the relationship of the position between the heat generating element and the movable member in this head. The configuration, dimension and number of movable members and the heat generating element are not limited to the following example. By an optimal arrangement of the heat generating element and the movable member, the pressure during generation of the bubble by the heat generating element can be used effectively as the ejection pressure. Figure 30 shows a relationship between an area of a heat generating element and an ink ejection amount. In a conventional bubble jet recording method, energy such as heat is applied to the ink to generate instantaneous volume changes (generation of bubble) in the ink, so that the ink is ejected through the ejection outlet towards the recording material to effect printing. In this case, the area of the heat generating element and the amount of ink ejection are proportional with respect to each other. However, there is a S region of no bubble generation that does not contribute to ink ejection. This fact is confirmed by the observation of the burned deposit on the heat generating element, that is, the non-bubble generation area S extends in the marginal area of the heat generating element. It will be understood that the marginal width of approximately 4 microns is not contributing to the generation of bubbles. In order to effectively use the bubble generating pressure, it is preferred that the movable scale of the movable member cover the effective bubble generating region of the heat generating element, namely, the internal area beyond the marginal width of about 4 microns. . In this example, the effective bubble generating region is about 4 microns and within it, but this is different if the heat generating element and the formation method are different. Figure 31 is a schematic view as viewed from the top and showing a relationship of the position between the movable member and the heat generating element, where use is made of a heat generating element 2 of 58 x 150 microns , and with a movable member 301, (a) in the Figure, and a movable member 302, (b) in the Figure having a different total area. The dimension of the movable member 301 is 53 x 145 microns, and is smaller than the area of the heat generating element 2, but has an area equivalent to the effective bubble generating region of the heat generating element 12 and the movable member 301 It is placed to cover the effective bubble generating region. On the other hand, the dimension of the movable member 302 is 53 x 220 micrometers, and it is larger than the area of the heat generating element 2 (the width dimension is equal, but the dimension between the fulcrum and the front edge movable is longer than the length of the heat generating element), similarly, to the movable member 301. It is placed to cover the effective bubble generating region. Tests have been carried out with the two movable members 301 and 302 to check the durability and ejection efficiency. The conditions were as follows: Bubble generation liquid: aqueous ethanol solution (40 percent) Ejection ink: coloring ink Voltage: 20.2 V Frequency: 3 kHz The results of the experiments show that the movable member 301 was damaged in the point of support when 1 x 107 pulses were applied, (b) The movable member 302 was not damaged even after 3 x 108 pulses were applied. In addition, the amount of ejection in relation to the energy delivered and the kinetic energy determined by the ejection velocity are improved by approximately 1.5 to 2.5 times. From the results, it will be understood that the movable member has an area greater than that of the heat generating element and positioned to cover the portion above the effective bubble generating region of the heat generating element, it is preferable from the point of view of durability and ejection efficiency. Figure 32 shows a relationship between a distance between the edge of the heat generating element and the point of support of the movable member and the displacement of the movable member. The heat generating element 2 has a dimension of 40 x 105 micrometers. It will be understood that the displacement increases with an increase in distance 1 from the edge of the heat generating element 2 and the point of support 33 of the movable member 31. It is therefore desirable to determine the position of the point of support of the movable member on the basis of the optimum displacement, depending on the amount of ejection required of the ink, the structure of the flow passage, the configuration of the heat generating element and so on. Experiments by the inventors have revealed that when the fulcrum is provided above the effective bubble generating region, the movable wall is damaged after the application of 1 x 106 pulses, ie the durability is less. Therefore, by placing the point of support of the movable member outside the position above the effective bubble generating region of the heat generating element, a movable member of a configuration and / or of a material which can be used in practice can be used in a practical manner. It does not provide very high durability. On the other hand, even when the fulcrum lies directly on the effective bubble generating region, it is practically usable and the configuration and / or the material is appropriately selected. By doing this, a liquid ejector head with high ejection energy efficiency and high durability can be provided of course. < Substrate of the element > The description will be made as to the substrate structure of the element that is provided with the heat generating element to heat the liquid. Figure 34 is a longitudinal section of the ejector head of liquid applicable to the present invention. In the substrate 1 of the element, a slotted member 50 is mounted, the member 50 has second liquid flow paths 16, separation walls 30, first liquid flow paths 14 and slots to constitute the first liquid flow path. Substrate 1 of the element has, as shown in Figure 12, patterned connection electrodes (0.2 to 1.0 micron width) of aluminum or a material similar to a patterned electrical resistance layer 105 (0.01 to 0.2 micrometer thickness) of boride. of hafnium (HfB2), tantalum nitride (TaN), tantalum aluminum (TaAl) or the like which constitute the heat generating element in a silicon oxide film or film 106 of silicon nitride for insulation and heat accumulation, which in turn it remains on the substrate 107 of silicon or a similar material. A voltage is applied to the resistance layer 105 through two connection electrodes 104 to flow a current through the resistance layer in order to effect the generation of heat. Between the connecting electrode, a protective layer of silicon oxide, silicon nitride or similar material thickness of 0.1 to 2.0 micrometers is provided on the resistance layer and furthermore an anti-cation layer of tantalum or an anti-cation layer is formed thereon. similar material (0.1 to 0.6 micrometer thick) to protect the resistance layer 105 of the various liquids, for example ink.

The pressure and shock wave generated during the generation of the bubble and collapses, is so strong that the durability of the relatively fragile oxide film deteriorates. Therefore, a metal material such as tantalum (Ta) or the like is used as the anti-cation layer. The protection layer may be omitted depending on the liquid combination, the structure of the liquid flow path, and the resistance material in these examples shown in Figure 22, (b). The material of the resistance layer that does not require the protective layer includes, for example, an iridium-tantalum-aluminum alloy or a similar material. Therefore, the structure of the heat generating element in the foregoing embodiments may only include the resistance layer (heat generation portion) or may include a protective layer to protect the resistance layer. In this example, the heat generating element has a heat generating portion hg the resistance layer that generates heat in response to the electrical signal. This is not limiting, and it will be sufficient if a sufficient amount of bubble to eject the ejection liquid can be created in the bubble generation liquid. For example, the heat generating portion may be in the form of a photothermal transducer that generates heat upon receiving light such as a laser beam or one that generates heat upon receiving a high frequency wave. In the substrate 1 of the element, the elements of the function such as a transistor, a diode, a latch, a shift register and so on to selectively drive the electrothermal transducer element can also be constructed integrally in addition to the resistance layer 105 which constitutes the heat generation portion and the electrothermal transducer constituted by the electrode 104 for supplying the electrical signal to the resistance layer. In order to eject the liquid and drive the heat generating portion of the electrothermal transducer into the substrate 1 of the above described element, the resistance layer 105 is supplied through the electrode 104 with rectangular pulses as shown in Figure 23 to end of causing instantaneous heat generation in the resistance layer 105 between the connecting electrode. Figure 35 is a schematic view showing a configuration of a driving impulse.

In the case of the heads of the aforementioned examples, the applied energy has a voltage of 24 V, a pulse width of 5 microseconds, for the first heat generating element, and a pulse width of 10 microseconds for the second element heat generator and the timed reaction as described above to drive the heat generating element whereby the liquid ink is ejected through the ejection outlet through the process described above. However, the conditions of the driving signal are not limited to this but can be any of them if the bubble generation liquid is properly capable of generating bubbles. < Structure of the head for trajectories of 2 flows > The description will be made as to the structure of the liquid ejecting head with which the different liquids are arranged separately in the first and second common liquid chambers and the number of holes can be reduced so that the manufacturing cost can be lowered . Figure 36 is a sectional view illustrating the delivery passage of a liquid ejecting head applicable to the present invention, wherein the reference numbers are assigned the same as those of the previous mode to the elements having the corresponding functions, and there are timings to simplify the detailed descriptions of them. In this example, a slotted member 50 has an orifice plate 51 having an ejection outlet 18 and a plurality of slots for constituting a plurality of first liquid flow paths 14 and a recess for constituting the first chamber 15 of the common liquid. to supply the liquid (ejection liquid) to the plurality of trajectories 14 of the liquid flow. A separation w30 is mounted in the lower part of the slotted member 50 whereby a plurality of first liquid flow paths 14 are formed. This grooved member 50 has a first liquid supply passage 20 extending from a top position to the first common liquid chamber 15. The slotted member 50 also has a second liquid supply passage 21 extending from an upper position to the second chamber 17 of the common liquid through the separation w30. As indicated by the flail C in Figure 36, the first liquid (ejection liquid) is supplied through the first liquid delivery passage 20 and the common liquid chamber 15 to the first liquid flow path 14, and the second liquid (bubble generation liquid) is supplied to the second liquid flow path 16 through the second liquid supply passage 21 and the second common liquid chamber 17, as indicated by the arrow D in the Figure 36. In this example, the second liquid supply passage 21 extends in parl with the first liquid supply passage 20, but this is not limited to the exemplification, but may be any if the liquid is supplied to the liquid. second chamber 17 of liquid common through the partition w30 to the exterior of the first chamber 15 of the common liquid. The (diameter) of the second liquid supply passage 21 is determined taking into account the supply amount of the second liquid. The configuration of the second liquid supply passage 21 is not limited to circular or round, but can be rectangular or similar. The second common liquid chamber 17 can be formed by dividing the slotted member by a separation w30. As for the method for forming this, as shown in Figure 26 which is a detailed perspective view, a common liquid chamber frame and a second liquid passage ware formed of a dry film, and a combination of a grooved member 50 having the partition wattached thereto of the substrate 1 of the element are joined, thus forming the second common liquid chamber 17 and the second liquid flow path 16. In this example, the substrate 1 of the element is constituted by providing the metal support member 70, for example, aluminum, with a plurality of electrothermal transducer elements as the heat generating elements to generate heat for the generation of the bubble from the liquid of generation of bubbles through the boiling of the film. Above the substrate 1 of the element, the plurality of grooves constituting the liquid flow path 16 formed by the second walls of the liquid passage are placed, the recess to constitute the second common liquid chamber (liquid chamber of generation of liquid). common bubbles) 17 which is in fluid communication with the plurality of bubble generation liquid flow paths for supplying the bubble generation liquid to the bubble generation liquid passages, and the partition or partition walls 30 they have movable walls 31. Designated by the reference number 50 there is a slotted member. The slotted member is provided with slots to constitute the ejection liquid flow paths (first liquid flow paths) 14 by mounting the separation walls 30 thereto, a recess to constitute the first common liquid chamber (liquid chamber) common ejection jet) 15 in order to supply the ejection liquid to the ejection liquid flow paths, the first delivery passage (ejection liquid supply passage) 20 to supply the ejection liquid to the first liquid chamber common and the second supply passage (bubble generation liquid supply passage) 21 for supplying the bubble generation liquid to the second common liquid chamber 17. The second supply passage 21 is connected to a fluid communication path in fluid communication with the second common liquid chamber 17, penetrating through the separation wall 30 is positioned outside the first common liquid chamber 15. By providing the fluid communication path, the bubble generation liquid can be supplied to the second common liquid chamber 15 without mixing with the ejection liquid. The relation of the position between the substrate 1 of the element, the partition wall 30, the slotted upper plate 50 is such that the movable numbers 31 are placed to correspond to the heat generating elements in the substrate 1 of the element, and the ejection fluid flow paths 14 are positioned to correspond to the movable members 31. In this example, a second supply passage is provided for the slotted member but may be multiple in accordance with the delivery amount. The cross-sectional area of the flow path of the ejection liquid supply passage 20 and the bubble generation liquid supply passage 21 can be determined in proportion to the amount of the supply. By optimizing the cross-sectional area of the flow path, the pieces constituting the slotted member 50 or a similar one can be produced in size. As described above, in accordance with this embodiment, the second supply passage for supplying the second liquid to the second liquid flow path and the first supply passage for supplying the first liquid to the first flow path of the liquid. liquid, can be provided by a single slotted top plate so that the number of pieces can be reduced and therefore, the reduction of the manufacturing steps and therefore, the reduction of the manufacturing cost are achieved.

In addition, the supply of the second liquid to the second liquid chamber common in fluid communication with the second liquid flow path is effected through the second liquid flow path that penetrates the separation wall to separate the first liquid and the second liquid and therefore, a bonding step for the bonding of the separation wall, the grooved member and the substrate of the heat generating element is sufficient so that fabrication is easy and the accuracy of the bond is improved . Since the second liquid is supplied to the second common liquid chamber, the penetration of the separation chamber, the supply of the second liquid to the second liquid flow path is ensured and therefore, the supply amount is sufficient way that a stabilized ejection is achieved < Ejection liquid and bubble generation liquid > As described in the foregoing examples, in accordance with the present invention, by the structure having the movable member described above, the liquid can be ejected at a higher ejection force or higher ejection efficiency than the ejector head. of conventional liquid. When the same liquid is used for the bubble generation liquid and the ejection liquid, it is possible that the liquid does not deteriorate and that the deposition on the heat generating element due to the heating can be reduced, therefore, it is achieved a reversible state change repeating gasification and condensation. In this way, different liquids are usable if the liquid is that which does not deteriorate the flow passage of liquid, the movable member or the partition wall or similar means. Among these liquids, one having the ingredient that is used in the conventional bubble jet device, can be used as a recording liquid. When the two flow trajectory structure of the present invention is used with a different bubble generation liquid ejection liquid, the bubble generation liquid having the property described above, more particularly is used examples which include: methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-hexane, n-octane, toluene, xylene, methylene dichloride, trichlorethylene, Freon TF, Freon BF, ethyl ether, dioxane, cyclohexane, methyl acetate, ethyl acetate, acetone, methylethyl ketone, water or the like and a mixture thereof. As for the ejection liquid, several liquids are usable without paying attention to the degree of their property of generation of bubbles or thermal property. Liquids that have not been conventionally used due to the property of low bubble generation and / or the ease of property change due to heat, are usable. However, it is desirable that the ejection liquid itself or by reaction with bubble generation liquid does not impede ejection, generation of bubbles or operation of the movable member or the like. As for the recording ejection liquid, a highly viscous or similar ink is usable. As for another ejection liquid, pharmaceutical substances and perfumes or the like having a nature that is easily deteriorated by heat are usable. The ink of the following ingredient was used as the recording liquid usable both for the ejection liquid and for the bubble-generating liquid and the registration operation was carried out. Since the ejection speed of the ink is increased, the injection precision of the liquid droplets is improved and, therefore, highly desirable images are recorded. Viscosity of 2 centipoise dye ink: Dye (Black 2 for Cl Food) 3% by weight Diethylene glycol 10% by weight Thiodiglycol 5% by weight Ethanol 5% by weight Water 77% by weight The registration operations were also carried out using the following combination of liquids for the ejection liquid bubble generation liquid. As a result, the liquid having a viscosity of 10 to several centipoises that was unable to be ejected until now, was properly ejected and still 150 centipoise liquid was properly ejected to provide a superior quality image. Bubble generation liquid 1: Ethanol 40% by weight Water 60% by weight Bubble generation liquid 2: Water 100% by weight Bubble generation liquid 3: Isopropyl alcohol 10% by weight Water 90% by weight Liquid 1 ejection: Charcoal black 55% by weight Pigment ink (viscosity approximately 15 centipoise): styrene-acrylate resin-ethyl acrylate copolymer 1% by weight (Oxide = 140, weight average molecular weight = 8000 ) Mono-ethanol amine 0.25% by weight Glycerin 69% by weight Thiodiglycol 5% by weight Ethanol 3% by weight Water 16.75% by weight Ejection liquid 2 (55 centipoise): Polyethylene glycol 200 100% by weight * Ejection liquid 3 (150 centipoise): Polyethylene glycol 600 100% by weight In the case of liquid that has not been ejected easily, the ejection speed is low and therefore, the variation in the ejection direction expands in the recording paper with the accuracy result of poor injection. In addition, the variation of the ejection amount occurs due to the ejection instability, thus avoiding the registration of a higher quality image. However, according to the modalities, the use of bubble generation liquid allows sufficient and stabilized generation of the bubble. Therefore, the improvement in injection accuracy of the liquid droplet and stabilization of the ink ejection amount can be achieved thereby greatly improving the recorded image quality. < Registration system > An exemplary ink jet recording system applicable to the present invention will be described, which records images on a recording medium, using as the registration head the liquid ejection head according to the present invention. Figure 38 is a schematic perspective view of an ink jet recording system employing the aforementioned liquid ejection head 201 in accordance with the present invention and illustrating its general structure. The liquid ejection head in this example is a full line type head comprising multiple ejection holes aligned with a density of 360 dpi in order to cover the entire recordable scale of the recording material 150. It comprises four heads, which correspond to four colors: yellow (Y), magenta (M), cyano (C) and black (Ble). These four heads are fixedly held by a support 1202 in parallel with one another and at predetermined interv These heads are driven in response to the signal supplied from the head impeller 307, which constitutes the means for supplying a driving signal in each head. A resin reference number 204, a bubble generation liquid container from which each head is supplied, burbot generation liquid. The ink package in this system has the structure similar to that shown in Figure 22 of mode 1. Underneath each head a head stage 203a, 203b, 203c or 203d is placed which contains an ink absorbing member. composed of sponge or similar. They cover the ejection holes of the corresponding heads, protecting the heads and maintaining the functioning of the head during a period of non-registration. A reference numeral 206 designates a conveyor belt which constitutes the means for transporting the various recording materi. such as those described in the foregoing modalities. The conveyor belt 206 is sent through a predetermined path by means of several rollers and is driven by a drive roller connected to a motor driver 305. The ink jet recording system in this example comprises a pre-press processing apparatus 251, a post-processing processing apparatus 252 which are placed on the upstream and downstream sides respectively of the water jet recording apparatus. ink, along with the transport path of the recording material. These processing apparatuses 251 and 252 process the recording material in various ways before or after the registration has been made, respectively. The pre-printing process and the post-printing process vary depending on the type of recording medium or the type of ink. For example, when a recording material composed of a metallic material, plastic material, ceramic material or similar material is used, the recording material is exposed to ultraviolet rays and ozone, before printing activating its surface. In a recording material that tends to acquire electrical charge, such as a plastic resin material, the fine powder tends to be deposited on the surface by static electricity. Fine dust can prevent the desired registration. In this case, it is used with an ionizer to remove the static charge from the recording material, thereby removing fine dust from the recording material. When a textile is a recording material from the point of view of prevention and improvement of fixation or the like, a pre-processing can be carried out wherein an alkaline property substance, a water soluble property substance, a polymer composition, a property salt soluble in water, urea or thioureas are applied to the textile material. The pre-processing is not limited to this and may be one to provide the recording material with the appropriate temperature. The pre-processing is not limited to this and may be one to provide the recording material with the appropriate temperature. On the other hand, the post-processing is a process to impart to the registration material that has received the ink, a heat treatment, ultraviolet radiation projection or to activate the fixation of the ink, or a cleaning to remove the material from the process used for the pre-processing. -treatment and that has remained because there is no reaction. In this embodiment, the head is a full line head, but the present invention is of course applicable to a type in series where the head moves along a width of the recording material. The present invention is applicable to the so-called side trigger type head having an ejection outlet facing the surface of the heat generating element. In accordance with the present invention, a liquid container for a single liquid type can be mounted on a head, and therefore, the utility is improved by effectively using the liquid container and the cost can be reduced. In addition, the two-fluid type container is not mistakenly mounted in a liquid-type head.

The liquid ejection operation or the cooling operation is carried out in accordance with the property of liquid supplied from the correct liquid container, identifying the kind of liquid container mounted on the head of two liquid type so that they can print superior quality images. If the liquid container for the two liquid type is mistakenly mounted in the single-liquid type head, the liquid supply from the two liquid type liquid container is prevented. Although the invention has been described with reference to structures disclosed herein, it is not limited to the details indicated and this application is intended to cover those modifications and changes that may be within the objects of the improvements or the scope of the invention. the following claims.

Claims

R E I V I N D I C A C I O N S

1. A liquid ejection head cartridge comprising: a liquid ejection head, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generating region movable between a first position and a second position more distant from the bubble generating region than the first position; wherein the first and second fluid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generating portion to direct the pressure towards the ejection outlet, thus ejecting the liquid through the liquid. the ejection outlet; and the cartridge further comprises: a liquid container device for supplying liquid or liquid ejection cartridge, wherein the liquid container device can have a first liquid container accommodating at least the first liquid or a second container of liquid. liquid accommodating the third liquid that is different from the first liquid and the second liquid, and that will be commonly supplied to the first and second liquid flow paths, and wherein the first and second liquid containers are capable of mounting in the ejector head of liquid.

2. A head cartridge according to claim 1, wherein the first liquid container accommodates the second liquid to be delivered to the second liquid flow path and the first liquid, separately.

A head cartridge according to claim 1, wherein the liquid ejecting head is provided with a liquid inlet portion having first and second inlets adjacent to each other to be supplied with the first and second liquids, and the inlet portion is provided with a filter portion that is insertable into any of the liquid supply services of the first and second liquid containers.

4. A head cartridge according to claim 1, wherein the first liquid container is provided with a portion of the liquid supply port having a first liquid supply port for supplying the first liquid and a second liquid supply port. liquid for supplying the second liquid, which are adjacent to each other and the portion of the liquid supply port is provided with a coupling portion of a predetermined configuration, and the filter portion is provided with a receiving portion engageable with the portion of coupling A head cartridge according to claim 1, wherein the liquid ejector head is separable from the first and second liquid containers. 6. A liquid container connectable with a liquid jet head, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generating region than the first position; and wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid to through the ejection outlet; wherein the package accommodates the liquid to be delivered to the first and second liquid flow paths; and wherein the package is capable of being connected to both the liquid ejection head, wherein the first liquid flow path and the second liquid flow path are in fluid communication with each other, and an ejection head of liquid that is capable of supplying different liquids to the first and second fluid flow trajectories. 7. A liquid container capable of being connected with a liquid jet head, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generation region than the first position; wherein the first and second liquid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through of the ejection outlet; wherein the package accommodates at least the first liquid and the package comprises: a prevention member for preventing the connection of the package with a liquid ejection head that is not for ejecting the first liquid. 8. A package according to claim 7, wherein the first liquid container accommodates the second liquid to be delivered to the second liquid flow path and the first liquid, separately. A package according to claim 7, further comprising a liquid supply port portion having a first liquid supply port for supplying the first liquid and a second liquid supply port for supplying the second liquid, which are adjacent to each other, and the liquid supply port portion is provided with a coupling portion of a predetermined configuration, and the filter portion is provided as a receiving portion engageable with the coupling portion and the container is capable of to be connected only with a liquid ejecting head having a receiving portion engageable with the coupling portion. A package according to claim 7, wherein the first fluid is an ejection liquid having high viscosity, and the second liquid is a bubble generation liquid for the generation of bubbles. 11. A liquid ejection apparatus comprising: a liquid container capable of being connected to a liquid jet head, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generation region than the first position; wherein the first and second liquid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generating portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through the liquid. the ejection outlet; wherein the container accommodates the first and second liquids; the package comprises: a first liquid supply port for supplying the first liquid; a second liquid supply port for supplying the second liquid; wherein the first and second liquid supply ports have different configurations. 12. A liquid ejection device comprising: a liquid ejection head cartridge comprising a liquid ejection head and a liquid container device: the liquid ejection head includes: a first liquid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region movable between a first position and a second position more distant from the bubble generation region than the first position; wherein the first and second fluid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through of the ejection outlet; wherein the liquid container device for supplying the liquid to the liquid ejection cartridge, wherein the liquid container device can have a first liquid container accommodating at least the first liquid, or a second liquid container that accommodates the third liquid which is different from the first liquid and the second liquid and which is to be supplied in a manner common to the first and second liquid flow paths, and wherein the first and second liquid containers are mountable in the ejection head of liquid; the apparatus further comprises: a carrier means for carrying the head cartridge; wherein the first liquid container is provided with a plurality of electrode pads, the second liquid container is provided with a plurality of electrode pads, and the carrier means is provided with electrode pins connectable to the first electrode pads. and second liquid containers, wherein the liquid container can be discriminated on the basis of the state of connections of the pins and pads. An apparatus according to claim 12, further comprising a control portion for controlling a liquid ejection cooling operation, wherein the control portion performs different controls depending on whether or not the first container of liquid is mounted. liquid or the second liquid container. 14. An apparatus according to claim 12, wherein the control portion provides a different bubble generating region in the liquid ejection head depending on whether the first liquid container or the second liquid container is mounted. 15. An apparatus according to claim 14, wherein the first liquid is an ejection liquid having high viscosity, and the second liquid is a bubbling liquid and the third liquid is an ejection liquid having a viscosity. lower than the first liquid, and wherein the control portion provides driving power for the generation of bubbles that is less than the driving power for the first liquid container when the second liquid container is mounted. 16. An apparatus according to claim 12, wherein the control portion performs different sequences in the cooling operation depending on whether the first liquid container or the second liquid container is mounted. 17. A method of liquid ejection control for a liquid ejection head: the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generation region than the first position; wherein the first and second fluid flow paths are capable of being supplied with first and second different liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by generating the bubble in the bubble generating portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through the liquid. the ejection outlet; wherein the head is connectable with both the first liquid container accommodating at least the first liquid and a second liquid container accommodating the third liquid which is different from the first liquid and the second liquid, and which is to be commonly supplied to the first and second liquid flow paths, and wherein the first and second liquid containers are mountable in the liquid ejection head; the control method comprises the step of providing a different bubble generating region in the liquid ejection head depending on whether the first liquid container or the second liquid container is mounted. 18. An apparatus according to claim 17, wherein the first liquid is an ejection liquid having high viscosity; the second liquid is a bubble-generating liquid; and the third liquid is an ejection liquid having a lower viscosity than the first liquid, and wherein the control portion provides driving power for the generation of bubbles that is lower than the driving power for the first liquid container when mounts the second liquid container. 19. A liquid ejection apparatus comprising: a liquid ejector head cartridge comprising a liquid ejection head and a liquid container device; the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generation region than the first position; and wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through the ejection outlet; the apparatus further comprises: a mounting means for increasing the liquid ejection head and the liquid container; a control valve for controlling the supply of liquid to the liquid ejection head; a control portion for controlling the control valve; wherein the liquid container is provided with a plurality of electrode pads, and a carrier means is provided with the electrode pins connectable with the electrode pads of the liquid containers, wherein the control valve is opened to allow the liquid supply only when a predetermined connection state is established between the pins and the pads. 20. An apparatus according to claim 19, wherein the control portion allows the ejection operation only when a predetermined connection state is established between the pins and the pads. SUMMARY OF THE INVENTION A liquid ejection head cartridge including a liquid ejection head, the liquid ejection head includes: a first fluid flow path in fluid communication with an ejection outlet; a bubble generation region; a second liquid flow path distributed adjacent the first liquid flow path; a movable member positioned facing the bubble generation region and movable between a first position and a second position more distant from the bubble generation region than the first position; wherein the first and second liquid flow paths are capable of being supplied with different first and second liquids, respectively; wherein the movable member moves from the first position to the second position by the pressure produced by the generation of the bubble in the bubble generation portion to direct the pressure towards the ejection outlet, thereby ejecting the liquid through of the ejection outlet; and the cartridge further comprises: a liquid container device for supplying liquid to the liquid ejection cartridge, wherein the liquid container device can have a first liquid container accommodating at least the first liquid, or a second liquid container accommodating the third liquid that is different from the first liquid and which will be supplied in a manner common to the first and second liquid flow paths and wherein the first and second liquid containers are mountable in the ejection head of liquid.