EP0436047A1 - Tête d'imprimante à jets de liquide pour imprimante à jets d'encre - Google Patents

Tête d'imprimante à jets de liquide pour imprimante à jets d'encre Download PDF

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Publication number
EP0436047A1
EP0436047A1 EP90100037A EP90100037A EP0436047A1 EP 0436047 A1 EP0436047 A1 EP 0436047A1 EP 90100037 A EP90100037 A EP 90100037A EP 90100037 A EP90100037 A EP 90100037A EP 0436047 A1 EP0436047 A1 EP 0436047A1
Authority
EP
European Patent Office
Prior art keywords
ink
liquid
recording head
liquid jet
jet recording
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP90100037A
Other languages
German (de)
English (en)
Inventor
Wolfram Runge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP90100037A priority Critical patent/EP0436047A1/fr
Publication of EP0436047A1 publication Critical patent/EP0436047A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14032—Structure of the pressure chamber
    • B41J2/1404—Geometrical characteristics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/055—Devices for absorbing or preventing back-pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2002/14379—Edge shooter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2002/14403—Structure thereof only for on-demand ink jet heads including a filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/05—Heads having a valve

Definitions

  • the invention relates to a liquid jet recording head for ink printing devices according to the preamble of claim 1.
  • Known ink heads that work according to the thermal converter principle (bubble jet principle) and are described, for example, in DE-OS 30 12 698, have a large number of individual nozzles from which defined individual droplets are ejected under the action of an electronic control.
  • a characteristic feature of this technology is that there is an electrical resistor in the form of a heating element in an ink-filled capillary near its opening. If a certain thermal energy is supplied to this heating element by means of a short current pulse, extremely rapid heat transfer to the ink (film boiling) first creates a rapidly expanding ink vapor bubble, which then collapses relatively quickly after the energy supply is lost by cooling the ink liquid. The pressure wave generated by the vapor bubble inside the capillaries causes an ink jet of limited mass to emerge from the nozzle opening onto the surface of a nearby recording medium.
  • An advantage of this bubble jet principle is that by using the phase change liquid-gaseous-liquid of the ink liquid, the relatively large and rapid volume change necessary for ejection is obtained from a very small active transducer area (typically approx. 0.01 mm2) .
  • the small converter areas in turn allow for use modern manufacturing processes, such as high-precision photolithographic processes in layer technology, a relatively simple and inexpensive construction of ink printheads, which are characterized by high density of traces and small dimensions.
  • the refill of the nozzle takes place solely through the capillary force of the meniscus and takes up a relatively long period of time compared to the drop ejection. Due to the slow refill, the repetition frequency, also known as the spray frequency, is limited to values of a few KHz, because a new drop can only be emitted when the refill is finished.
  • a liquid jet recording device with a recording head and with a liquid discharge opening for discharging liquid in a predetermined direction, a heating element and a heat-effective zone in which the thermal energy generated by the heating element acts on the liquid is known . It also has a liquid supply line for supplying liquid to the heat-effective zone and a control device for generating driver signals for the control of the heating element for ejecting the liquid in the predetermined direction.
  • the direction of the liquid flowing from the liquid supply line into the heat-active zone differs from the direction of the liquid flowing from the heat-active zone to the liquid discharge opening.
  • An effective abrupt change in pressure occurs in the direction of liquid ejection, thereby suppressing the transfer effect of the pressure change with respect to the liquid supply line based on the change in the state of the liquid within the heat-effective zone and which does not contribute to the ejection of the droplets.
  • the invention has for its object to provide a liquid jet recording head for printing devices of the type mentioned, which allows a significantly increased recording speed with little design effort while maintaining the quality of the recording.
  • the liquid only flows from the ink reservoir towards the outlet nozzle.
  • the actuation of the valves i.e. the movement of a closure body which achieves the valve action is brought about by the onset of the flow process, so it does not require any external action.
  • the flow of the ink liquid to the ink reservoir is effectively prevented, so that the time for refilling the ink channel (refill) is shortened and the working speed (spray frequency) can be increased.
  • the efficiency of drop ejection i.e. increase the mass of the ink droplets and the ink droplet velocity.
  • an ink channel 12 is connected to an ink reservoir 16, which is only indicated here.
  • the ink channel 12 ends in a nozzle 15 facing a recording medium to be printed.
  • An energy generating element in the form of a heating element 10 for generating thermal energy is arranged in the ink channel 12.
  • the cross section of both the channel 12 itself and the nozzle 15 is rectangular. In the area of the nozzle opening, the channel 12 initially tapers steadily in order to then lead again with a constant width to the nozzle exit surface, so that a nozzle opening which is smaller than the channel width is formed.
  • the liquid supply from the ink reservoir 16 into the ink channel 12 takes place via an inlet opening 19 which is also smaller than the cross-section of the ink channel 12 and is also rectangular in cross-section.
  • a closure body 13 in the form of a disk is arranged in the ink channel 12.
  • the height of this disk is adapted to the channel height (FIG. 1), the diameter of the disk is larger than the width of the inlet opening 19, but significantly smaller than the width of the ink channel 12 (FIG. 2).
  • a separating web 18 is arranged in the ink channel 12, which on the one hand connects the top and bottom of the ink channel 12, but on the other hand is relatively narrow in relation to the width of the ink channel 12, so that ink liquid flows past it without major disturbances can.
  • the separating web 18 has the task of limiting the movement of the cylindrical closure body (disk 13) in the direction of the nozzle opening to a level which makes it possible for ink liquid to enter the ink channel 12 from the ink reservoir 16 through the inlet opening 19 to let.
  • the disc 13 can accordingly move freely between the inlet opening 19 and the separating web 18 serving as a stop in the liquid flow.
  • FIG. 2 shows the position of the closure body 13 with expanding ink vapor bubble 11 in plan view.
  • a small part of the energy released during the expansion of the vapor bubble causes the disk 13 to be pressed against the inlet opening 19, whereby further expansion of the ink vapor bubble in the direction of the ink reservoir 16 is prevented and only a liquid flow to the nozzle 15 is achieved.
  • a larger part of the energy is thus usable for the ejection of ink droplets 17.
  • the actuation of the locking device i.e. the movement of the disk 13 is brought about automatically by the onset of the flow process, so it does not require any external action.
  • the ink vapor bubble 11 collapses again and thus pulls the meniscus 29 back from the nozzle exit surface (FIG. 2, lower part).
  • the ink channel 12 is refilled by the capillary force of the meniscus.
  • the disk 13 is moved away from the inlet opening 19 until it finally abuts the separating web 18 and releases the inlet opening 19 to the ink reservoir 16.
  • the ink liquid can flow freely both past the disk 13 and the separating web 18.
  • FIG. 3 shows a further exemplary embodiment of a closure body between heating element 10 and ink reservoir 16.
  • a closure body in the form of a prismatoid is provided here.
  • the inlet opening 19 is so be by sloping wall surfaces limits that the inlet opening widens towards the ink supply.
  • Two separating webs 21 are provided between the heating element 10 and the inlet opening 19 as a movement limitation for the closure body. For the function and the geometric design of these separating webs 21 and their position in the ink channel 12, what has been said about the separating webs 18 according to FIGS. 1 and 2 applies accordingly.
  • FIG. 3 again shows the conditions when the ink vapor bubble 11 expands, the lower part of FIG. 3 when the ink vapor bubble collapses and when the capillary is refilled.
  • Such a configuration of the closure body 13 as a prismatoid in connection with the geometric shape of the inlet opening 19 ensures that the expansion body always comes into the desired position during expansion of the vapor bubble and thus closes the channel.
  • closure bodies can be produced in a relatively simple manner in the course of the manufacture of the channel structure using thin-film technology and consist, for example, of photo-resist plastic, the same material as the channel wall itself.
  • a further increase in efficiency and working speed can be achieved in that such a closure element is also arranged between the heating element and the nozzle.
  • Both valves must be oriented so that they allow only liquid flow towards the nozzle. The valve on the nozzle side thus lets the liquid through when the vapor bubble expands; when the vapor bubble collapses, it prevents the meniscus from being pulled back, that is, air is drawn in.
  • Figures 4 and 5 show plan views of ink channels with two closure bodies each.
  • disks are provided as closure bodies 13, 130, of which the one, namely the disk 13 arranged in the area of the ink supply (area between the heating element and ink reservoir) corresponds in function, structure and position of the disk 13 in FIGS. 1 and 2.
  • a further disk 130 is provided in the area between the heating element 10 and the nozzle 15, the diameter of which is dimensioned somewhat smaller than the diameter of the disk 13.
  • Two projections 20 projecting into the ink channel 12 in this area form a passage opening for the liquid, the width of which is slightly smaller than the diameter of the disk 130, so that this disk can close the passage opening 19 in a liquid-tight manner.
  • a separating web 18 is provided in the ink channel 12 as a stop for the disk, which limits the movement of the disk when the ink vapor bubble is expanding.
  • FIG. 6 shows a further possibility of simply arranging two closure bodies in the ink channel 12. These are designed in the form of valve flaps 14, 140 and are articulated at an acute angle with respect to the ink outlet direction on a channel wall, so that they protrude obliquely into the ink channel 12 and form a chamber 22 with a base of a parallelogram in which the heating element 10 lies.
  • the closure flaps have an incision at their articulation point on the channel wall, which results in a cross-sectional taper and are therefore pivoted to a certain extent.
  • the narrowing of the ink channel 12 in the nozzle area takes place asymmetrically in this example in such a way that the channel wall on which the valve flaps 14, 140 are articulated tapers continuously to a value that corresponds to a cross section that corresponds to the nozzle openings corresponding to the previous exemplary embodiments .
  • the closure bodies 13, 130 are formed by flexible silicon or metal tongues which are clamped on one side and whose free ends rest against stops 23, 24 in the idle state.
  • the ink channel 12 is thereby divided into a total of three chambers which are connected to one another via these movable tongues.
  • the illustration in cross section shows on a substrate 25 which forms a wall of the ink channel 12, the heating element 10 which is arranged approximately in the middle of the ink channel between the ink reservoir and nozzle.
  • This heating element lies in a chamber 120 which is closed on all sides within the ink channel 12 and which extends from the Substrate 25, a layer 26 applied directly to this substrate and the tongues 13, 130 serving as closure bodies is formed.
  • the open tongues are shown in dashed lines in the illustration according to FIG.
  • the further tongue 140 in the nozzle area which is fastened to the stop 24, is glued, for example, and its free end is open in the idle state layer 26 rests, bulges upward and allows ink liquid to emerge from chamber 120 into ink channel 12 and then through nozzle 15.
  • this tongue 140 bulges downward until it rests on layer 26, thereby preventing the meniscus from being pulled back and air being drawn in.
  • the tongue 14 arranged in the region of the ink reservoir 16 also bulges in the direction of the ink chamber 120 and thus allows ink liquid to flow into the chamber.
  • the tongues can either be produced again using the known photo-resist technique or in other known methods of microstructure technology, for example by galvanic build-up or by anisotropic etching of silicon.
  • FIG. 8 shows a further possible embodiment of the two closure bodies 13, 130 in the form of sealing flaps.
  • the flaps projecting in pairs on opposite side walls of the ink channel 12 in the area of the ink supply and in the nozzle area symmetrically into the ink channel are parts of the corresponding channel wall and made of elastic material, so that they exert a valve effect for the liquid flow.
  • the tips of the flaps open slightly so that liquid can pass through, while they shut off in a liquid-tight manner for flows in the opposite direction.
  • the flaps can either be made entirely of elastic material or only the thin, free ends of the flaps are elastic, so that they act like sealing lips. That pair of sealing lips 130 which is arranged in the nozzle area according to FIG. 8 can also be used directly as the nozzle 15 itself. Such an arrangement is shown in FIG. 9 in perspective.
  • Two channels 12, 12 'lying directly next to one another are shown, which are separated from one another by a partition wall 28. This prevents unwanted crosstalk.
  • the ink vapor bubble 11 expands, the ends of the pair of flaps 14 are pressed against one another and close the ink channel 12 in the direction of the ink reservoir 16, the ends of the pair of flaps 140 spread and droplet ejection 17 is effected.
  • the sealing lips of the flap pair 140 are compressed, that of the flap pair 14 is opened so that ink liquid can flow into the ink channel 12 without air being drawn in through the nozzle opening 15.
  • the invention was explained on the basis of a channel structure which has a rectangular cross section, but the arrangement of one or more automatically acting valves is not restricted to these geometric relationships.

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
EP90100037A 1990-01-02 1990-01-02 Tête d'imprimante à jets de liquide pour imprimante à jets d'encre Withdrawn EP0436047A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90100037A EP0436047A1 (fr) 1990-01-02 1990-01-02 Tête d'imprimante à jets de liquide pour imprimante à jets d'encre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90100037A EP0436047A1 (fr) 1990-01-02 1990-01-02 Tête d'imprimante à jets de liquide pour imprimante à jets d'encre

Publications (1)

Publication Number Publication Date
EP0436047A1 true EP0436047A1 (fr) 1991-07-10

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EP90100037A Withdrawn EP0436047A1 (fr) 1990-01-02 1990-01-02 Tête d'imprimante à jets de liquide pour imprimante à jets d'encre

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Cited By (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721842A2 (fr) * 1995-01-13 1996-07-17 Canon Kabushiki Kaisha Tête d'éjection de liquide, dispositif d'éjection de liquide et procédé d'éjection de liquide
EP0721841A2 (fr) * 1995-01-13 1996-07-17 Canon Kabushiki Kaisha Tête d'éjection de liquide, dispositif d'éjection de liquide et procédé d'éjection de liquide
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EP0737581A2 (fr) * 1995-04-14 1996-10-16 Canon Kabushiki Kaisha Tête d'éjection de liquide, dispositif d'éjection de liquide et procédé d'éjection de liquide
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EP0764528A2 (fr) * 1995-09-22 1997-03-26 Canon Kabushiki Kaisha Procédé d'éjection de liquide, tête d'éjection de liquide, appareil d'éjection de liquide, récipient de liquide et cartouche de tête
EP0764527A2 (fr) * 1995-09-22 1997-03-26 Canon Kabushiki Kaisha Procédé d'éjection de liquide et tête d'éjection de liquide pour sa mise en oeuvre
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EP0816088A1 (fr) * 1996-07-02 1998-01-07 Hewlett-Packard Company Microsoupape pour fluide pour moduler un courant de fluide dans une imprimante à jet d'encre
EP0818311A2 (fr) * 1996-07-11 1998-01-14 Canon Kabushiki Kaisha Procédé de projection de liquide et tête de projection de liquide, méthode d'enregistrement par jet d'encre et tête pour la méthode d'enregistrement par jet d'encre
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EP0819530A2 (fr) * 1996-07-09 1998-01-21 Canon Kabushiki Kaisha Tête d'éjection de liquide, cartouche utilisant la tête d'éjection de liquide, appareil d'éjection de liquide, procédé d'éjection de liquide et kit pour cette tête d'éjection
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WO2016175746A1 (fr) 2015-04-27 2016-11-03 Hewlett-Packard Development Company, L.P. Tête d'impression dotée d'un clapet de non-retour de fluide d'imprimante
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EP0819529A2 (fr) * 1996-07-09 1998-01-21 Canon Kabushiki Kaisha Procédé de préservation d'une tête à éjection de liquide et appareil d'éjection de liquide
EP0819537B1 (fr) * 1996-07-09 2005-04-06 Canon Kabushiki Kaisha Tête d'éjection de liquide, cartouche de tête d'éjection, appareil d'éjection de liquide, système d'impression et kit pour tête d'éjection de liquide
EP0819536A3 (fr) * 1996-07-09 1998-12-23 Canon Kabushiki Kaisha Tête d'éjection de liquide, procédé de fabrication d'une telle tête d'éjection de liquide, cartouche de tête d'éjection de liquide et appareil d'éjection de liquide
US5992984A (en) * 1996-07-09 1999-11-30 Canon Kabushiki Kaisha Liquid discharging head, head cartridge and liquid discharge apparatus
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EP0819531A3 (fr) * 1996-07-09 1998-11-04 Canon Kabushiki Kaisha Tête de projection de liquide, cartouche de tête de projection de liquide et appareil de projection de liquide
EP0819536A2 (fr) * 1996-07-09 1998-01-21 Canon Kabushiki Kaisha Tête d'éjection de liquide, procédé de fabrication d'une telle tête d'éjection de liquide, cartouche de tête d'éjection de liquide et appareil d'éjection de liquide
US6070970A (en) * 1996-07-11 2000-06-06 Canon Kabushiki Kaisha Liquid discharging method and liquid-discharge head, ink-jet recording method and head for ink-jet recording method
EP0818311A3 (fr) * 1996-07-11 1998-10-07 Canon Kabushiki Kaisha Procédé de projection de liquide et tête de projection de liquide, méthode d'enregistrement par jet d'encre et tête pour la méthode d'enregistrement par jet d'encre
EP0818311A2 (fr) * 1996-07-11 1998-01-14 Canon Kabushiki Kaisha Procédé de projection de liquide et tête de projection de liquide, méthode d'enregistrement par jet d'encre et tête pour la méthode d'enregistrement par jet d'encre
US6151049A (en) * 1996-07-12 2000-11-21 Canon Kabushiki Kaisha Liquid discharge head, recovery method and manufacturing method for liquid discharge head, and liquid discharge apparatus using liquid discharge head
AU765216B2 (en) * 1996-07-12 2003-09-11 Canon Kabushiki Kaisha Liquid discharge head having a plurality of liquid flow channels with check valves
EP0818313A2 (fr) * 1996-07-12 1998-01-14 Canon Kabushiki Kaisha Méthode d'éjection de liquide, tête d'éjection de liquide, cartouche de tête et appareil d'éjection de liquide l'utilisant
EP0819533A2 (fr) * 1996-07-12 1998-01-21 Canon Kabushiki Kaisha Procédé de standardisation d'une tête d'enregistrement à jet d'encre et tête d'enregistrement à jet d'encre pour atteindre une telle standardisation, procédé d'enregistrement à jet d'encre, appareil de traitement d'information et appareil hÔte
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EP0819540A3 (fr) * 1996-07-12 1999-04-14 Canon Kabushiki Kaisha Tête d'éjection de liquide, cartouche utilisant cette tête et appareil d'éjection de liquide
EP0819540A2 (fr) * 1996-07-12 1998-01-21 Canon Kabushiki Kaisha Tête d'éjection de liquide, cartouche utilisant cette tête et appareil d'éjection de liquide
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CN1081543C (zh) * 1996-07-12 2002-03-27 佳能株式会社 液体喷射方法、液体喷射头、头总成和采用其的液体喷射设备
EP0819538A2 (fr) * 1996-07-12 1998-01-21 Canon Kabushiki Kaisha Tête de décharge de liquide, cartouche de tête, dispositif de décharge de liquide, système d'enregistrement, kit pour une tête de décharge de liquide et procédé de fabrication d'une tête de décharge de liquide
EP0819532A2 (fr) * 1996-07-12 1998-01-21 Canon Kabushiki Kaisha Tête de décharge de liquide, procédé de remise en état et procédé de fabrication d'une tête à décharge de liquide et appareil de décharge de liquide utilisant cette tête
CN1082448C (zh) * 1996-07-12 2002-04-10 佳能株式会社 喷液头及其恢复方法和制造方法及使用喷液头的喷液设备
EP0819541A2 (fr) * 1996-07-12 1998-01-21 Canon Kabushiki Kaisha Appareil d'éjection de liquide et procédé pour sa remise en état
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EP0818313A3 (fr) * 1996-07-12 1998-10-07 Canon Kabushiki Kaisha Méthode d'éjection de liquide, tête d'éjection de liquide, cartouche de tête et appareil d'éjection de liquide l'utilisant
EP0819532A3 (fr) * 1996-07-12 1998-11-04 Canon Kabushiki Kaisha Tête de décharge de liquide, procédé de remise en état et procédé de fabrication d'une tête à décharge de liquide et appareil de décharge de liquide utilisant cette tête
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EP0819541A3 (fr) * 1996-07-12 1998-11-18 Canon Kabushiki Kaisha Appareil d'éjection de liquide et procédé pour sa remise en état
EP0819538A3 (fr) * 1996-07-12 1998-11-25 Canon Kabushiki Kaisha Tête de décharge de liquide, cartouche de tête, dispositif de décharge de liquide, système d'enregistrement, kit pour une tête de décharge de liquide et procédé de fabrication d'une tête de décharge de liquide
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EP0819533A3 (fr) * 1996-07-12 1998-11-25 Canon Kabushiki Kaisha Procédé de standardisation d'une tête d'enregistrement à jet d'encre et tête d'enregistrement à jet d'encre pour atteindre une telle standardisation, procédé d'enregistrement à jet d'encre, appareil de traitement d'information et appareil hÔte
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EP0894628A3 (fr) * 1997-07-31 1999-10-13 Canon Kabushiki Kaisha Procédé d'éjection de liquide, tête d'éjection de liquide, cartouche de tête et appareil d'éjection de liquide utilisant cette tête d'éjection de liquide
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EP0921002A3 (fr) * 1997-12-05 1999-12-15 Canon Kabushiki Kaisha Tête d'éjection de liquide, appareil d'éjection de liquide et procédé d'éjection de liquide
US6095640A (en) * 1997-12-05 2000-08-01 Canon Kabushiki Kaisha Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device
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US6585491B2 (en) 1998-07-28 2003-07-01 Canon Kabushiki Kaisha Liquid discharge apparatus having a heating element
US6386832B1 (en) 1998-07-28 2002-05-14 Canon Kabushiki Kaisha Liquid discharge head, liquid discharge method, and liquid discharge apparatus
EP0976561A3 (fr) * 1998-07-28 2000-09-06 Canon Kabushiki Kaisha Tête pour l'éjection de liquide, procédé d'éjection de liquide et appareil d'éjection de liquide
EP0976561A2 (fr) * 1998-07-28 2000-02-02 Canon Kabushiki Kaisha Tête pour l'éjection de liquide, procédé d'éjection de liquide et appareil d'éjection de liquide
EP0982136A3 (fr) * 1998-08-21 2000-08-30 Canon Kabushiki Kaisha Tête pour l'éjection de liquide, procédé d'éjection de liquide et appareil d'éjection de liquide
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CN1118373C (zh) * 1998-08-21 2003-08-20 佳能株式会社 排液头，排液方法和排液装置
EP0982136A2 (fr) * 1998-08-21 2000-03-01 Canon Kabushiki Kaisha Tête pour l'éjection de liquide, procédé d'éjection de liquide et appareil d'éjection de liquide
US6491834B1 (en) * 1998-12-03 2002-12-10 Canon Kabushiki Kaisha Method for manufacturing liquid discharge head, liquid discharge head, head cartridge, and liquid discharge recording apparatus
US6578952B1 (en) 1999-07-27 2003-06-17 Canon Kabushiki Kaisha Liquid discharging method, liquid discharge head and recording apparatus using liquid discharge head
EP1072414A2 (fr) 1999-07-27 2001-01-31 Canon Kabushiki Kaisha Tête d'éjection de liquide, cartouche et appareil d'éjection de liquide
EP1072413A2 (fr) 1999-07-27 2001-01-31 Canon Kabushiki Kaisha Méthode d'éjection de liquide, tête d'éjection de liquide et appareil d'enregistrement utilisant cette tête d'éjection de liquide
EP1072415A2 (fr) 1999-07-27 2001-01-31 Canon Kabushiki Kaisha Méthode d'éjection de liquide, tête d'éjection de liquide, appareil d'éjection de liquide
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US6533400B1 (en) 1999-09-03 2003-03-18 Canon Kabushiki Kaisha Liquid discharging method
US6497475B1 (en) 1999-09-03 2002-12-24 Canon Kabushiki Kaisha Liquid discharge method, head, and apparatus which suppress bubble growth at the upstream side
EP1083049A2 (fr) 1999-09-03 2001-03-14 Canon Kabushiki Kaisha Tête d'éjection de liquide, appareil d'éjection de liquide et procédé de production d'une tête d'éjection de liquide
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US6464345B2 (en) 2000-02-15 2002-10-15 Canon Kabushiki Kaisha Liquid discharging head, apparatus and method employing controlled bubble growth, and method of manufacturing the head
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EP1125743A1 (fr) 2000-02-15 2001-08-22 Canon Kabushiki Kaisha Tête d'éjection de liquide, appareil d'éjection de liquide et sa méthode de fabication
EP1125744A1 (fr) 2000-02-15 2001-08-22 Canon Kabushiki Kaisha Tête à éjection de liquide, méthode d'éjection de liquide, appareil d'éjection de liquide et procédé de nettoyage de la tête à éjection de liquide
US6460978B2 (en) * 2000-07-12 2002-10-08 Canon Kabushiki Kaisha Liquid discharge head having narrowed portion of liquid flow path between liquid chamber and movable member, method of manufacture therefor, and liquid discharge apparatus having such head
US6474792B2 (en) 2000-07-31 2002-11-05 Canon Kabushiki Kaisha Liquid discharge head, method for manufacturing liquid discharge head, head cartridge on which liquid discharge head is mounted, and liquid discharge apparatus
EP1177900A2 (fr) 2000-07-31 2002-02-06 Canon Kabushiki Kaisha Tête d'éjection de liquide, son procédé de fabrication et dispositif d'éjection de liquide
US6513914B2 (en) 2000-07-31 2003-02-04 Canon Kabushiki Kaisha Liquid discharging head, method for manufacturing liquid discharging head, and liquid discharging apparatus
US6530651B2 (en) 2001-03-02 2003-03-11 Canon Kabushiki Kaisha Liquid ejecting head, liquid ejecting method, and method for manufacturing liquid ejecting head
EP1236575A2 (fr) 2001-03-02 2002-09-04 Canon Kabushiki Kaisha Tête à jet de liquide, méthode d'éjection de liquide, et méthode de fabrication d'une tête à jet de liquide
CN107206790A (zh) * 2015-04-27 2017-09-26 惠普发展公司，有限责任合伙企业 带打印机流体止回阀的打印头
WO2016175746A1 (fr) 2015-04-27 2016-11-03 Hewlett-Packard Development Company, L.P. Tête d'impression dotée d'un clapet de non-retour de fluide d'imprimante
EP3233496A4 (fr) * 2015-04-27 2018-09-19 Hewlett-Packard Development Company, L.P. Tête d'impression dotée d'un clapet de non-retour de fluide d'imprimante
US10828892B2 (en) 2015-04-27 2020-11-10 Hewlett-Packard Development Company, L.P. Printhead with printer fluid check valve
WO2017010994A1 (fr) 2015-07-14 2017-01-19 Hewlett-Packard Development Company, L.P. Clapet antiretour de chambre d'éjection de matériau pulvérisable
CN107548360A (zh) * 2015-07-14 2018-01-05 惠普发展公司，有限责任合伙企业 可喷射材料喷发腔室的止回阀
EP3322590A4 (fr) * 2015-07-14 2019-02-13 Hewlett-Packard Development Company, L.P. Clapet antiretour de chambre d'éjection de matériau pulvérisable
CN107548360B (zh) * 2015-07-14 2020-02-14 惠普发展公司，有限责任合伙企业 可喷射材料喷发腔室的止回阀
US10967646B2 (en) 2015-07-14 2021-04-06 Hewlett-Packard Development Company, L.P. Jettable material firing chamber check valve

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