CN1140660A - Printing device - Google Patents
Printing device Download PDFInfo
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- CN1140660A CN1140660A CN96110335A CN96110335A CN1140660A CN 1140660 A CN1140660 A CN 1140660A CN 96110335 A CN96110335 A CN 96110335A CN 96110335 A CN96110335 A CN 96110335A CN 1140660 A CN1140660 A CN 1140660A
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- Prior art keywords
- outlet
- injection nozzle
- printing equipment
- measuring
- printing
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- 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
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- 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
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
- B41J2/211—Mixing of inks, solvent or air prior to paper contact
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- 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
- B41J2/14201—Structure of print heads with piezoelectric elements
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- 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
- B41J2/1433—Structure of nozzle plates
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- 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
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- 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
- B41J2002/14475—Structure thereof only for on-demand ink jet heads characterised by nozzle shapes or number of orifices per chamber
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A printing device according to the present invention assures stable mixing and ejecting operations without provision of complicated mechanisms such as valves. The printing device includes an ejecting nozzle with a first discharge opening and a metering nozzle with a, second discharge opening, which are provided separately from each other to feed two kinds of fluids through the first and second discharge openings, respectively. The two kinds of fluids are mixed together to form a fluid mixture to be ejected toward a recording medium. A minimum distance d between the first and second discharge openings of the metering and ejecting nozzles is in the range of 0<=d<=5(S1) where S1 stands for an opening area of the first discharge opening of the ejecting nozzle.
Description
The present invention relates to a kind of can with by, for example, the liquid mixture formed of printing ink and diluent is ejected into the printing equipment on a kind of record carrier, particularly, relates to the improvement of arrangement of nozzles aspect.
The so-called formula ink-jet printer of promptly answering is suitable for according to the tracer signal that inputs to this printing machine, and at a record carrier, for example paper, film etc. are gone up and formed the printing image by the nozzle ejection droplets of ink.Recently, this formula ink-jet printer of promptly answering comes into vogue apace because of its compact conformation or low production cost.
United States Patent (USP) 5 by the applicant's previous application, 371,529 disclose this formula printing machine of promptly answering, and in this printing machine, the gradation of image of record is to realize by mixing mutually with suitable ratio before being about to spray printing ink with as a kind of transparent solvent of diluent.In this printing machine, each measuring point, the concentration of printing image can both change, and therefore, for the high-quality copy that obtains original image, particularly those come from the original image of photo, this printing machine is useful.
This printing machine is so-called internal mix type printing machine, that is to say, printing ink is in the same place in the internal mix of nozzle with diluent.
Simultaneously, in the interior mixed type printing equipment of routine, have such problem, that is: since during the standby printing ink and diluent always come in contact each other, so, printing ink and diluent mix naturally and so the phase counterdiffusion between them take place probably.In order to overcome this problem, the inventor is at above-mentioned United States Patent (USP) 5,371, advised already in 529, on this printing machine, one check valve of producing according to the electrical forming method is configured in borderline region between printing ink and the diluent, so that prevent the generation of phase counterdiffusion between the printing ink and diluent during the standby.
Yet, during standby, only join such check valve and always be difficult to separate fully printing ink and diluent by cloth.In addition, check valve has brought an other problem, and that is exactly its production cost height.
The present invention finishes in view of the above problems.
Therefore, the purpose of this invention is to provide a kind of have simple structure, can during the standby of ink-jet operation, prevent the printing equipment that printing ink and diluent generation mix naturally, thereby, can realize the mixing of printing ink and diluent reliably and the injection of the liquid mixture formed by printing ink and diluent.
Of the present invention aspect first, a kind of printing equipment is provided, this device comprises an injection nozzle and the measuring jet with second outlet (metering nozzle) with first outlet, they are arranged apart each other, so that carry two kinds of liquid by first and second outlets respectively, these two kinds of liquid are mixed mutually, form a kind of liquid mixture that will be ejected on the record carrier, wherein, in the scope of the minimum range d sd so between second outlet of first outlet of injection nozzle and measuring jet: 0≤d≤5
, in the formula, S1 represents the aperture area of first outlet of injection nozzle.
Aspect second of the present invention, a kind of printing equipment is provided, this printing equipment comprises that an injection nozzle with one first outlet all has several measuring jets of one second outlet with each, these mouths of disputing are arranged apart each other, so that carry liquid by first and second outlets, these liquid mix, formation will be ejected into the liquid mixture on the record carrier, wherein, the scope of the minimum range d sd so between second outlet of first outlet of injection nozzle and each measuring jet: O≤d≤5
, in the formula, S1 represents the aperture area of first outlet of injection nozzle.
By reading the detailed description done below in conjunction with accompanying drawing and additional claims, it is more obvious that these and other objects of the present invention, characteristics and advantage will become.
In order to understand the present invention better, the detailed description that need are read the in conjunction with the accompanying drawings reference symbol of partly annotating, wherein:
Fig. 1 is the amplification view of the printing equipment of expression first embodiment according to the invention;
Fig. 2 is the amplification view of printing equipment shown in Figure 1;
Fig. 3 A, 3B, 3C are the amplification views of various variations of shape of the outlet of expression injection nozzle and measuring jet;
Fig. 4 A, 4B, 4C, 4D and 4E are the mixing and the spraying operation amplification views in proper order of the printing equipment of expression first embodiment according to the invention;
Fig. 5 is the amplification view of expression according to the printing equipment of second embodiment of the present invention;
Fig. 6 is the amplification view of printing equipment shown in Figure 5;
Fig. 7 is the amplification view of expression according to the printing equipment of the 3rd embodiment of the present invention;
Fig. 8 is the amplification view of printing equipment shown in Figure 7;
Fig. 9 A to 9C is the view of expression according to the printing equipment of the 4th embodiment of the present invention; Wherein, Fig. 9 A is that the expression cover plate is taken away the plane under the situation; Fig. 9 B is the front view of printing equipment, promptly sees view in the past from this side of nozzle; Fig. 9 C is the vertical cross section of this printing equipment;
Figure 10 is the plane of expression according to the substrate of the printing equipment of the 5th embodiment of the present invention;
Figure 11 is the front view of printing equipment shown in Figure 10;
Figure 12 is a plane of representing the substrate of printing equipment according to a sixth embodiment of the present;
Figure 13 is the front view of printing equipment shown in Figure 12;
Figure 14 is the rearview of substrate shown in Figure 12;
Figure 15 is the plane of expression according to the substrate of the printing equipment of the 7th embodiment of the present invention;
Figure 16 is the front view of printing equipment shown in Figure 15; And
Figure 17 is the rearview of substrate shown in Figure 15.
Below preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.By the way, as will being expressly understood, the printing equipment described in each embodiment separately is provided with an injection nozzle and a measuring jet.In printing equipment according to the present invention, printing ink and diluent are mixed together in the outside of injection nozzle.Following this printing equipment is called " non-premixed type printing equipment ".Embodiment 1:
In the present embodiment, illustrate a kind of so-called non-premixed type printing equipment, wherein, the outlet of injection nozzle and the outlet of measuring jet are in the same plane, and the path of injection nozzle tilts with respect to the path of measuring jet.
As depicted in figs. 1 and 2, this printing equipment has an orifice plate, arranged apart injection nozzle 1 and measuring jet 2 on this orifice plate.Orifice plate 3 can be the tabular or membrane-like part of being made such as nickel or stainless steel, ceramic material such as glass or silicon or plastic material such as polyimides or polyethylene terephthalate by metal material.
The injection nozzle 1 that is arranged on the orifice plate 3 is along the straight through-hole form that extends on the thickness direction of orifice plate 3.End at injection nozzle 1 is provided with an outlet 1a, and is provided with a supply opening 1b at its other end.Transparent solvent 4, give supply opening 1b by diluent feed path 5 as diluent feed.
On the other hand, measuring jet 2 also is a through-hole form, and defines a flow channel that tilts with respect to the diluent feed path 5 that communicates with injection nozzle 1.That is to say, be provided with an outlet 2a who plays the effect of printing ink hole at an end of measuring jet 2.Measuring jet 2 is such with respect to the inclination situation of injection nozzle 1, that is: from the back side of orifice plate 3 to residing that front of outlet 2a, measuring jet 2 moves closer to injection nozzle 1.The passage of the inclination of said measuring jet 2 by, for example, laser processing forms.
In order to produce measuring jet 2 with respect to injection nozzle 1 inclination, utilizing excimer laser beam is the angular illumination orifice plate 3 of 43 degree with the normal with respect to orifice plate 3, orifice plate 3 is the Kapton manufacturing of 50 μ m by thickness, and still, the angle of inclination of measuring jet is not particularly limited.
The other end at measuring jet 2 is provided with supply opening 2b, supplies liquid by an inking passage 7 to this supply opening, for example, and printing ink 6.
From realizing the liquid droplets functional point of view, the outlet 1a of injection nozzle 1 it would be desirable and be the point symmetry shape on cross section.In addition, easy when considering design or production, outlet 1a is preferably circular or square on cross section.In the present embodiment, employing is circular outlet.
On the other hand, the shape with regard to the outlet 2a of measuring jet 2 has bigger flexibility.The shape of outlet 2a is not limited to circle, but Any shape, for example oval, triangle or crescent (shown in Fig. 3 A-3C) all can adopt.Outlet 2a with any one shape in these shapes all can form easily by changing used mask shape in the laser processing.For example, be circular if wish the shape of outlet 2a, then the mask that has an elliptical shape by use just can form.
Especially, in the present embodiment, in order to prevent mixing naturally of printing ink 6 and transparent solvent 4 during the standby, arranged apart measuring jet 2 and injection nozzle 1, and, the minimum range d between the outlet 2a of the outlet 1a of injection nozzle 1 and measuring jet 2 is limited to 0≤d≤5
, particularly in the scope of O≤d≤5 μ m, in the formula, S1 represents the aperture area of the outlet 1a of injection nozzle 1.If this minimum range d surpasses 5
, then might destroy the response of accurately determining quantity of ink.
The aperture area S1 of the outlet 1a of injection nozzle 1 it is desirable at 50≤S1≤40,000 μ m
2Scope in, preferably at 100≤S1≤10,000 μ m
2Scope in.The upper limit to aperture area S1 is determined, so that acquisition has the printing image of the visibility minimum of expectation.For example, desired visibility minimum is at 40,000 μ m
2The time be 75dpi, at about 10,000 μ m
2The time be 200dpi.Therefore, surpass 40,000 μ m as aperture area S1
2The time, can not obtain having the printed image of visibility minimum.On the other hand, when determine aperture area S1 following in limited time, should guarantee that liquid mixture can discharge by injection nozzle.When aperture area S1 less than 50 μ m
2The time, liquid mixture can not be disputed out by injection nozzle.The aperture area S2 of the outlet 2a of measuring jet 2 it is desirable in the scope of the condition that satisfies 5/10,000≤S2/S1≤10.When aperture area S2 surpassed 10 to the ratio S2/S1 of aperture area S1, printing ink can expand to the zone that exceeds round outlet, and therefore, the accuracy of metering printing ink is destroyed.On the other hand, when ratio S2/S1 less than 5/10,000 o'clock, the quantitative change of the printing ink that will be measured in a metering circulation gets too little.In addition, in order to realize the metering of printing ink with high precision, above-mentioned aperture area S2 should be in the scope of the condition that satisfies 5/10,000≤S2/S1≤5.In addition, in order only to finish the high-precision measuring of printing ink in a metering circulation, ratio S2/S1 preferably is in the scope of 1/100≤S2/S1≤5.During the Cmin of the point that reduces to be write down when hope, ratio S2/S1 preferably is in the scope of 1/100≤S2/S1≤1/2.
The 4A-4E explanation is according to the record operation of printing equipment of the present invention with reference to the accompanying drawings.
When this printing equipment was in holding state, owing to capillary reason, transparent solvent 4 and printing ink 6 formed a meniscus 8 respectively and form a meniscus 9 at the outlet 2a place of measuring jet 2 at the outlet 1a place of injection nozzle 1, shown in Fig. 4 A.
In printing equipment according to the present invention, because measuring jet 2 and injection nozzle 1 is provided with independently and the minimum range d between them is limited in the above-mentioned scope, so, need not to be provided with the mechanism of the complexity of check valve and so on, just can prevent mixing naturally of transparent solvent 4 and printing ink 6 under the holding state really.
The mode that the printing ink 6 of explained later metering mixes with transparent solvent.By manipulation exert pressure device (not shown) such as piezoelectric element or heating element heater, make the interior voltage rise height of measuring jet 2, therefore, shown in Fig. 4 B, printing ink 6 is measured.The amount of the printing ink 6 that will mix with transparent solvent 4 can be changed by magnitude of voltage or the pulse width that control is applied to the potential pulse on the device of exerting pressure.
At this moment, because the flow channel of measuring jet 2 tilts with respect to injection nozzle 1, therefore printing ink 6, owing to capillary effect, make printing ink 6 mix with transparent solvent 4 from the outlet 1a of the outlet 2a directive injection nozzle 1 of measuring jet 2.
After this, interrupt being arranged on the voltage on the device of exerting pressure of metered side, and a driving pulse is added on another device of exerting pressure that is arranged on ejection side, therefore, the interior pressure of measuring jet 2 is reduced to negative pressure, and the interior pressure of injection nozzle is raised.The result is, printing ink 6 separates with the liquid mixture of being made up of printing ink 6 and transparent solvent 4 10 and indentation measuring jet 2, and therefore, shown in Fig. 4 C, the meniscus of printing ink 6 is retracted back into a position in measuring jet 2.On the other hand, shown in Fig. 4 C, the outlet 1a of the liquid mixture self-injection nozzle 1 that has separated with printing ink 6 outwards sprays.
In turn, when the driving pulse on the device of exerting pressure that acts in ejection side was interrupted, the internal drop of injection nozzle 1 was low to moderate negative pressure.The result is that shown in Fig. 4 D, therefore the inside of transparent solvent 4 indentation injection nozzles 1, have the form ejection of the liquid mixture 10 of given printing ink concentration with drop.
After the ink jet action was finished, shown in Fig. 4 E, the printing ink 6 of measuring jet 2 usefulness one up-to-date amount replenished, thereby printer returns to initial holding state.Embodiment 2:
Present embodiment shows the non-premixed type printing equipment identical with embodiment 1, and still, in the present embodiment, the outlet of injection nozzle and the outlet of measuring jet are not in the same plane.
As shown in Figure 5 and Figure 6, this printing equipment also comprises an orifice plate 13, has arranged an injection nozzle 11 and a measuring jet 12 on this orifice plate 13 with being spaced from each other.Injection nozzle 11 is straight through-hole form and connects orifice plate 13 by the mode identical with the foregoing description 1 along the thickness direction of orifice plate 13.
End at injection nozzle 11 has an outlet 11a who plays the effect of diluent hole, and has a supply opening 11b at its other end, introduces this supply opening 11b as the transparent solvent 4 of diluent by diluent feed path 5.
On the other hand, measuring jet 12 is arranged in the inside of protuberance 14, is formed on the orifice plate 13 to these protuberance 14 evaginations.On front view, see, protuberance 14 rectangular in shape, and outwards outstanding from that plane at the outlet 11a place of injection nozzle 11.Measuring jet 12 have its outlet 12a of such structure-be open with a perpendicular plane, the plane at the outlet 11a place of injection nozzle 11 on.Such structure can make that printing ink 6 is easy to mix mutually with transparent solvent 4.The other end at measuring jet 12 also has a supply opening 12b, and it communicates with oil ink passage 7, so that printing ink 6 is supplied measuring jet 12.
By the way, on orifice plate 13, multi-layer sheet can be set, make by nickel, copper or similar material for every layer.
In the printing equipment of present embodiment, though the minimum range d between the outlet 12a of the outlet 11a of injection nozzle 11 and measuring jet 12 determine like this-its drop on the foregoing description 1 in the identical scope described.Similarly, though the aperture area S2 of the outlet 12a of the aperture area S1 of the outlet 11a of injection nozzle 11 and measuring jet 12 determine like this-it satisfies and the identical condition described in the foregoing description 1.In addition, as mentioning among the embodiment 1, the outlet 11a and the 12a of injection nozzle 11 and measuring jet 12 can have different shape.
The printing equipment of present embodiment can by with mode operation identical described in the embodiment 1.Embodiment 3:
Identical non-premixed type printing equipment among present embodiment explanation and the embodiment 1, still, in the present embodiment, the outlet of injection nozzle and the outlet of measuring jet be not in same plane.In the present embodiment, measuring jet is also arranged in the mode that relative injection nozzle tilts.
As shown in Figure 7 and Figure 8, this printing equipment also comprises an orifice plate 17, has arranged injection nozzle 15 and measuring jet 16 on this orifice plate 17 dividually.Injection nozzle 15 is straight through-hole form, and by with the foregoing description 1 in identical mode connect orifice plate 17 along the thickness direction of orifice plate 17.
End at injection nozzle 15 has an outlet 15a who plays the effect of diluent hole, and have a supply opening 15b at the other end of injection nozzle 15, according to the transparent solvent as diluent being supplied this supply opening 15b via diluent feed path 5 with the identical mode of the foregoing description 1.
On the other hand, measuring jet 16 is arranged on the part of a thickening of orifice plate 17, and this reinforcement has that part of big thickness than injection nozzle 15 places.Measuring jet 16 also tilts towards injection nozzle 15, so that printing ink 6 mixes with transparent solvent 4 easily.The outlet 16a of measuring jet 16 is opened on the inclined plane 18, and this inclined plane 18 is located on the reinforcement of orifice plate 17.The other end at measuring jet 16 is provided with a supply opening 16b who communicates with oil ink passage 7, so that printing ink 6 is introduced measuring jet 16.
Subsidiary saying can be by using a plastic sheet forming hole method processing birth pore plate in next life 17 that uses excimer laser.
In the printing equipment of present embodiment, the minimum range d between the outlet 15a of injection nozzle 15 and the outlet 16a of measuring jet 16 so determines-promptly: make it to be in identical scope with the foregoing description 1 described d.Similarly, the aperture area S2 of the outlet 16a of the aperture area S1 of the outlet 15a of injection nozzle 15 and measuring jet 16 so determine-promptly makes it to satisfy the identical condition of describing with the foregoing description 1.In addition, as embodiment 1 was pointed, the outlet 15a of injection nozzle 15 and the outlet 16a of measuring jet 16 can be different shapes.
The printing equipment of present embodiment also can be worked by embodiment 1 described identical mode.Embodiment 4:
In the foregoing embodiments, described printing equipment all has orifice plate.Yet the present invention also is applicable to the printing equipment that does not have orifice plate.Embodiment 4 shows a kind of like this printing equipment of so-called face type imperforate plate.
In the middle of the production of this printing equipment, as shown in Figure 9, be with etching or similarly method to basal plane (primarysurface) cutting of the pedestal 19 made by stainless steel or similar material, so that form two grooves thereon.Two grooves that so form, play measuring jet 20 and injection nozzle 21 effects respectively with cover plate 22 coverings that are bonded on the basal plane of pedestal 19.In the case, the minimum range between the outlet of measuring jet 20 and injection nozzle 21 be so determine-promptly: satisfy and embodiment 1 described identical condition.Similarly, the aperture area S2 of the aperture area S1 of the outlet of injection nozzle 21 and the outlet of measuring jet 20 determines like this, that is: satisfy and the identical condition described in the foregoing description 1.In addition, the outlet of injection nozzle 21 and measuring jet 20 also can resemble embodiment 1 and has various shapes described.
The printing equipment of present embodiment also can be worked by the mode identical with embodiment 1.Embodiment 5:
Present embodiment shows a kind of printing equipment, and it is the face type of imperforate plate and the combination with non-premixed type of several measuring jets.
This printing equipment has and the essentially identical structure of embodiment 4 described printing equipments
That is to say, as shown in Figure 10 and Figure 11, on the basal plane 31a of a substrate 31, carve groove, to form one first groove 34, one second groove 37 and one the 3rd groove 40, said first groove 34 defines one for supply diluent feed path 32 and injection nozzle 33 that communicates with this diluent feed path 32 as the usefulness of the transparent solvent of diluent; Said second groove 37 defines first inking passage 35 of a supply printing ink and first measuring jet 36 that communicates with this first inking passage 35; And second measuring jet 39 that said the 3rd groove 40 defines one second inking passage 38 and communicates with this second inking passage.First groove 34 is arranged between second groove 37 and the 3rd groove 40.First to the 3rd groove is covered by the dividing plate on the basal plane 31a who is bonded in substrate 31 41, so that limit each nozzle and passage at last.
Therefore, similar with previous embodiment, be supplied to injection nozzle 33 as the transparent solvent of diluent by diluent feed path 32.Simultaneously, printing ink is supplied to first measuring jet 36 and second measuring jet 39 by the first inking passage 35 and the second inking passage 38 respectively.
Above-mentioned groove 34 sees from end face and is droplet-shaped, and has one as the ratio wide portions of diluent feed path 32 and as the narrower part of injection nozzle 33, with regard to width, is tapered towards openend.
The second and the 3rd groove 37 and 40 sees from end face and also is droplet-like, and tilts with respect to injection nozzle 33, so that help mixing of the metering of printing ink and ejection and printing ink and transparent solvent.The second and the 3rd groove 37 and 40 respectively has a wider portion and the narrower part as first or second measuring jet 36 or 39 as the first or second inking passage 35 or 38, and, on width, diminish gradually towards their openend.As mentioned above, because first measuring jet 36 and second measuring jet 39 that is made of the narrower part of second groove 37 and the 3rd groove 40 tilts with respect to injection nozzle 33 respectively, injection nozzle 33 is between first and second measuring jets 36 and 39, so the outlet of these nozzles is adjacent layout on an end face of substrate plate.
Simultaneously, substrate 31 and dividing plate 41 can be with for example nickel and stainless steel, for example glass and silicon or for example polyimides and polyethylene terephthalate manufacturings of plastic material of ceramic material of metal.The formation of the groove on the basal plane 31a of substrate 31 can be carried out with etching, injection mo(u)lding or other suitable method, and this will decide according to material therefor.
In the present embodiment, in order to prevent mixing naturally of printing ink 6 and transparent solvent 4 during the standby, first and second measuring jets 36 and 39 and injection nozzle 33 arranged apart, and, the outlet of injection nozzle 33 with the minimum distance limit between first or second measuring jet 36 or 39 the outlet with identical scope that the foregoing description 1 is described in.Similarly, the aperture area S2 of the outlet of the aperture area S1 of the outlet of injection nozzle 33 and first or second measuring jet 36 or 39 is definite like this, satisfies the identical condition of describing with the foregoing description 1 that is:.In addition, injection nozzle 33 and first and second measuring jet 36 and 39 outlet can resemble embodiment 1 and have various shapes said.
In printing equipment, be provided with laminated piezo- electric element 42,43 and 44 on the position separately of diluent feed path 32 and first and second inking passage 35 and 38 as the device of exerting pressure at dividing plate 41 according to present embodiment.
Attach and say that the printing equipment of present embodiment can be by working with embodiment 1 described essentially identical mode.That is to say, a kind of medium of being supplied with by injection nozzle 33 is mixed with the another kind of medium of being supplied with by first measuring jet 36 and/or second measuring jet 39, and mixed liquid mixture is sprayed to for example paper of record carrier.
In the printing equipment of present embodiment, when the first and second inking passages 35 and 38 are filled when having the printing ink of same hue and same concentrations, can be by any one or two the metering printing ink of supplying with specified rates in first and second measuring jets.In this structure,, then can spray liquid mixture with high printing ink concentration by all supplying the printing ink of metering by first and second measuring jets.Usually, if use for example piezoelectric element of device for exerting under high power state, then it tends to destroyed to the voltage pulse width of supply and the response of magnitude of voltage.Therefore, be by using single measuring jet to finish, then occurring the deterioration of mixed-precision probably if having the formation of the liquid mixture of high printing ink concentration.On the contrary, in the printing equipment according to present embodiment, the metering printing ink of specified rate is supplied with by first and second measuring jets 36 and 39 both sides, and therefore, mixed-precision not only can not worsen but also make moderate progress, thereby can obtain to have high-precision printing image.
In addition, in printing equipment according to present embodiment, when the first and second inking passages 35 and 36 can be filled to have tone of the same race but during the ink composition of different printing ink concentration, the metering of the printing ink in the liquid mixture that spray can be undertaken by one of selecting according to the liquid mixture concentration of expectation in first and second measuring jets 36 and 39.Can allow the mobility scale of the broad of liquid mixture concentration like this, and the resolution ratio of the printing image of record is than the resolution height of conventional printing equipment acquisition.
In addition, in printing equipment according to present embodiment, when the first and second inking passages 35 and 38 are filled ink composition with different tones, can spray selectively by single nozzle unit by two kinds of liquid mixtures forming one of in the ink composition of diluent and different tones respectively.Can reduce the sum and the size that reduces printing equipment of nozzle like this.In this case, when supplying with different ink compositions simultaneously, then can spray liquid mixture with mixed shades by measuring jet.Embodiment 6:
Printing equipment shown in the present embodiment also is a kind of printing equipment that the face type of imperforate plate and the non-premixed type with several measuring jets combine.
The structure of the printing equipment that the structure of this printing equipment and embodiment 5 describe is basic identical.
That is to say, shown in Figure 12 and 13, the basal plane 51a cutting of substrate 51, so that form first groove 54, second groove 57 and the 3rd groove 60, said first groove 54 defines one in order to supply with diluent feed path 52 and the injection nozzle 53 that communicates with this diluent feed path 52 as the transparent solvent of diluent; First measuring jet 56 that said second groove 57 defines one first inking passage 55 and communicates with this first inking passage 55; Second measuring jet 59 that said the 3rd groove 60 defines one second inking passage 58 and communicates with this second inking passage 58.First groove 54 is arranged between second groove 57 and the 3rd groove 60.First to the 3rd groove covers with the dividing plate on the basal plane 51a who is bonded in substrate 51 61, with each inking passage of final qualification, diluent feed path and injection and measuring jet.
In the printing equipment of present embodiment, shown in Figure 13 and 14, on the back side of substrate 51 that is that face 51b opposite, also be provided with the 3rd measuring jet 63 that the 4th groove 64, the four grooves define the 3rd inking passage 62 and are communicated with the 3rd inking passage 62 with basal plane 51a.The 4th groove 64 on the 51b is opposed with first groove 54 on basal plane 51a overleaf.The 4th groove 64 is covered by a dividing plate 65, so that finally limit the 3rd inking passage 62 and the 3rd measuring jet 63.
Similar with previous embodiment, in the printing equipment of present embodiment, supply with injection nozzles 53 as the transparent solvent of diluent by diluent feed path 52, printing ink then is supplied to the outlet of first, second and the 3rd measuring jet 56,59 and 63 respectively by first, second and the 3rd inking passage 55,58 and 62.
First, second and the 3rd groove 54,57 and 60 can have first, second and the 3rd groove 34,37 and the 40 similar shapes with previous embodiment 4 respectively.Similarly, the 4th groove 64 sees from end face and is similar to droplet-shaped, and has a wider portion and a narrower part, and wider portion limits the 3rd inking passage 62, and narrower part limits the 3rd measuring jet 63.As a result, injection nozzle 53 arranges that so that is: it is positioned at first and second measuring jets 56 and 59 centres and opposed on the thickness direction of substrate 51 with the 3rd measuring jet 63.
Equally, substrate 51 and dividing plate 61 and 65 can be used and previous embodiment 5 described identical materials manufacturings.The shaping work of the groove on the basal plane of substrate 51 and the back side also can be by carrying out with embodiment 5 described identical modes.
In the printing equipment of present embodiment, in order to prevent mixing naturally of printing ink 6 and transparent solvent 4 during the standby, first, second and the 3rd measuring jet 56,59 and 63 and injection nozzle 53 arranged apart, and, the minimum range d between each the outlet in the outlet of injection nozzle 53 and first, second and the 3rd measuring jet 56,59 and 63 is limited in the scope identical with previous embodiment 1.Similarly, the aperture area S2 of the outlet of each is definite like this in the aperture area S1 of the outlet of injection nozzle 53 and first, second and third measuring jet 56,59 and 63, that is: make it to satisfy and previous embodiment 1 described identical condition.In addition, though some restrictions are arranged, it is shape miscellaneous that the outlet of the outlet of injection nozzle 53 and first, second, third measuring jet 56,59,63 can resemble aforementioned.
In printing equipment according to present embodiment, each position back to diluent feed path 52 and first, second inking passage 55,58 of dividing plate 41 is provided with the laminate type piezoelectric element 66,67 and 68 as the device of exerting pressure, and also is provided with laminate type piezoelectric element 69 as the device of exerting pressure on that face of the 3rd oil ink passage 62 at the lateral surface of dividing plate 65-promptly.
By the way, can be according to the printing equipment of present embodiment by working with embodiment 1 described essentially identical mode.That is to say, by a kind of medium of injection nozzle 53 supply with by first, second with the 3rd measuring jet 56,59 and 63 in the another kind of medium of at least one supply mix mutually, the gained liquid mixture is sprayed to for example paper of record carrier.
In the printing equipment of present embodiment, first, second and the 3rd inking passage 55,58 and 62 can be filled having the printing ink of same hue and same concentrations, can by in first, second and the 3rd measuring jet any or all be supplied to the printing ink of quantitative metering.On the other hand, first, second can be filled so that tone is identical but the ink composition that concentration has nothing in common with each other with the 3rd inking passage 55,57 and 62.Can reach 5 described identical effects like this with embodiment.
In addition, in printing equipment according to present embodiment, if to first, second and the 3rd measuring jet be provided with the ink composition of different tones respectively, such as yellow, peony and glaucous ink composition, then can spray the liquid mixture of any one composition the ink component of each free diluent and different tones from single nozzle unit selectively.Can reduce the sum of nozzle like this and reduce the size of printing equipment.In this case, when simultaneously when each measuring jet is supplied with different ink compositions, just can spray liquid mixture, thereby obtain panchromatic printed image with various mixed shades.Embodiment 7:
Shown in the present embodiment also is not have the face type of orifice plate and have a kind of printing equipment that the non-premixed type of several measuring jets combines.
This printing equipment has and the essentially identical structure of embodiment 5 described printing equipments.
That is to say, shown in Figure 15 and 16, the basal plane 71a cutting of substrate 71, so that form first groove 74, second groove 77 and the 3rd groove 80, said first groove 74 defines one in order to supply diluent feed path 72 and injection nozzle 73 that is communicated with this diluent feed path 72 as the transparent solvent of diluent; First measuring jet 76 that said second groove 77 defines one first inking passage 75 and is communicated with this first inking passage 75; Second measuring jet 79 that said the 3rd groove 80 defines one second inking passage 78 and is communicated with this second inking passage 78.First groove 74 is arranged between second groove 77 and the 3rd groove 80.First groove to the, three grooves are covered by a dividing plate 81 that is bonded on the basal plane 71a of substrate 71, with each inking passage of final qualification, diluent feed path and injection and measuring jet.
In the printing equipment of present embodiment, shown in Figure 16 and 17, on the back side of substrate 71 that is that face 51b opposite, also be provided with basal plane 71a the 4th groove 84 and the 5th groove 87, the four grooves 84 define one the 3rd inking passage 82 and with logical tired 82 the 3rd measuring jets 83 that are communicated with of the 3rd inking; The 4th measuring jet 86 that the 5th groove 87 defines one the 4th inking passage 85 and is communicated with the 4th inking passage 85.The the 4th and the 5th groove 84 and 87 on the 71b of the back side the second and the 3rd groove 77 on the basal plane 71a and 80 is respectively arranged.In addition, the 4th and the 5th groove 84 and 87 also covers with the dividing plate on the back side 71b who is bonded in substrate 71 88, so that limit the third and fourth inking passage 82 and 85 and third and fourth measuring jet 83 and 86 at last.
Similar with previous embodiment, in the printing equipment of present embodiment, transparent solvent as diluent is supplied to injection nozzle 73 by diluent feed path 72, and printing ink is then supplied with the outlet of the first, second, third and the 4th measuring jet 76,79,83 and 86 respectively by the first, second, third and the 4th inking passage 75,78,82 and 85.
First, second and the 3rd groove 74,77 and 80 can have first, second and the 3rd groove 34,37 and the 40 similar shapes with previous embodiment 5 respectively.The the 4th and the 5th groove 84 and 87 is seen from end face can be similar to droplet-like, they are equivalent to the shape of the second and the 3rd groove 77 and 80 respectively, the the 4th and the 5th groove 84 and 87 respectively has a wide portions and a narrower part, wide portions defines the 3rd or the 4th inking passage 82 or 85, narrower the 3rd or the 4th measuring jet 83 or 86 of defining.
As a result, injection nozzle 73 is arranged, promptly like this: it is between first and second measuring jets 76 and 79.In addition, first and second measuring jets 76 and 79 are arranged, promptly like this: they the thickness direction of substrate 71 and third and fourth measuring jet 83 and 86 back to and align.
Simultaneously, substrate 71 and dividing plate 81 and 88 can be used the identical materials manufacturing used with previous embodiment 5.The shaping work of those grooves on the basal plane 71a of substrate 71 and the back side 71b can be by carrying out with embodiment 5 described identical modes.
In the printing equipment of present embodiment, in order to prevent mixing naturally of printing ink 6 and transparent solvent 4 during the standby, the first, second, third and the 4th measuring jet 76,79,83 and 86 and injection nozzle 73 arrange independently, and, the outlet of injection nozzle 73 with the minimum range d between each the outlet in the first, second, third and the 4th measuring jet 76,79,83 and 86 be limited in previous embodiment 1 described identical scope in.Similarly, the aperture area S2 of the opening of each determines, promptly like this in the aperture area S1 of the outlet of injection nozzle 73 and the first, second, third and the 4th measuring jet 76,79,83 and 86: satisfy and previous embodiment 1 described identical condition.In addition, though the shape of the outlet of injection nozzle 73 and the first, second, third and the 4th measuring jet 76,79,83 and 86 must be defined by separately groove and dividing plate 81,88 because of them and be subjected to some restrictions, they still can resemble previous embodiment and have various shapes described.
In printing equipment, some laminated piezo-electric elements as pressure applying means are arranged on each position that corresponds respectively to diluent feed path 72 and the one the second inking passages 75 and 78 of dividing plate 81 according to present embodiment.In addition, also the laminated piezo-electric element as the device of exerting pressure is arranged on each position corresponding to the third and fourth inking passage 82 and 85 of dividing plate 88.
By the way, can be according to the printing equipment of present embodiment by working with embodiment 1 described essentially identical mode.That is to say, mix with another kind of medium by a kind of medium of injection nozzle 73 supply, and mixed liquid mixture sprays to for example paper of record carrier by at least one supply in the first, second, third and the 4th measuring jet 76,79,83 and 86.
In the printing equipment of present embodiment, the ink composition that the first, second, third and the 4th inking passage 75,78,82 and 85 is filled with same hue and same concentrations.On the other hand, first, second, third also can be filled to have same hue but the different ink composition of concentration with the 4th inking passage 75,78,82 and 85.Can reach 5 described identical effects like this with embodiment.
In addition, in printing equipment according to present embodiment, if be provided with different tones, for example to first, second, third with the 4th measuring jet respectively, the ink composition of yellow, peony, blue-green and black then can spray the liquid mixture of any one composition the ink composition of each free diluent and different tones selectively from single nozzle unit.Can reduce the sum of nozzle like this and reduce the size of printing equipment.In the case, when with suitable ratio simultaneously when each measuring jet is supplied with different ink compositions, just can spray liquid mixture, thereby obtain panchromatic printing image with various mixed shades.
Aforementioned those embodiment just illustrate, and therefore, do not plan to limit scope of the present invention.As understanding,, can make various variations and remodeling and without departing from the scope of the invention without prejudice to spirit of the present invention.
For example, in nearly all previous embodiment, injection nozzle and measuring jet can arrange like this that is: the latter's center line intersects with the former center line.Yet the present invention is not limited to this special layout.For example, relation that the center line of the center line of injection nozzle and measuring jet can oblique or the relation that is parallel to each other are arranged.
As mentioned above, in printing equipment according to the present invention, because metering and injection nozzle are separated from each other setting, so, under the situation of printing equipment standby, printing ink and diluent can not mix, thus mixing naturally of printing ink and diluent can prevent really that liquid mixture from spraying the time.In addition, can simplify the structure of printing equipment like this, and, need not complicated mechanism for example valve and so on just can stablize the mixing and the spraying operation of the liquid mixture of forming by printing ink and diluent, thereby cause the simplification of production technology and the reduction of production cost.
In addition, according to the present invention, because the minimum distance limit between the outlet of measuring jet and the outlet of injection nozzle is in a special scope, so, good metering reliability can be obtained, and the mixing and the spraying operation of the liquid mixture of forming by printing ink and diluent can be improved really the fluid that will measure.
Claims (10)
1. printing equipment, comprise a injection nozzle and a measuring jet with one second outlet with one first outlet, they are spaced from each other layout, so that supply with two kinds of liquid by this first and second outlet respectively, these two kinds of liquid are mixed, form a kind of liquid mixture that will be ejected on the record carrier, it is characterized in that:
Minimum range d between first outlet of injection nozzle and second outlet of measuring jet is in 0≤d＜5
Scope in, in the formula, S1 represents the aperture area of first outlet of injection nozzle.
2. printing equipment as claimed in claim 1 is characterized in that, the aperture area S1 of first outlet of said injection nozzle is in 50≤S1≤40,000 μ m
2Scope in.
3. printing equipment as claimed in claim 1 is characterized in that, said second outlet has aperture area S2, and the ratio of aperture area S2 and aperture area S1 is in the scope of 5/10,000≤S2/S1≤10.
4. printing equipment as claimed in claim 1 is characterized in that, said two kinds of liquid are respectively printing ink and diluent.
5. printing equipment, comprise that an injection nozzle with one first outlet respectively has the measuring jet of one second outlet with several, these nozzles are spaced from each other layout, so that supply multiple liquid by first outlet and second outlet, these liquid are mixed, form a kind of liquid mixture that will be ejected on the record carrier, it is characterized in that:
The minimum range d that first outlet of said injection nozzle and some meterings are disputed in the mouth between each second outlet is in 0≤d≤5
Scope in, S1 represents the aperture area of the outlet of injection nozzle in the formula.
6. printing equipment as claimed in claim 5 is characterized in that, the aperture area S1 of first outlet of said injection nozzle is in 50≤S1≤40,000 μ m
2Scope in.
7. printing equipment as claimed in claim 5 is characterized in that, said second outlet has aperture area S2, and the ratio of aperture area S2 and aperture area S1 is in the scope of 5/10,000≤S2/S1≤10.
8. printing equipment as claimed in claim 5 is characterized in that said injection nozzle is suitable for supplying diluent, and said several measuring jets are suitable for supplying tone the identical but mutually different ink composition of concentration.
9. printing equipment as claimed in claim 5 is characterized in that said injection nozzle is suitable for supplying diluent, and said several measuring jets are suitable for supplying the ink composition that tone has nothing in common with each other.
10. printing equipment as claimed in claim 5 is characterized in that said injection nozzle is suitable for supplying diluent, and said several measuring jets are suitable for supplying color harmony concentration all identical ink composition.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8899995 | 1995-04-14 | ||
| JP088999/95 | 1995-04-14 | ||
| JP088999/1995 | 1995-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1140660A true CN1140660A (en) | 1997-01-22 |
| CN1142855C CN1142855C (en) | 2004-03-24 |
Family
ID=13958509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB961103353A Expired - Fee Related CN1142855C (en) | 1995-04-14 | 1996-04-12 | Printing device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0737585B1 (en) |
| KR (1) | KR960037289A (en) |
| CN (1) | CN1142855C (en) |
| DE (1) | DE69601318T2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379499C (en) * | 2002-05-29 | 2008-04-09 | 施密德吕纳股份公司 | Method for applying coatings to surfaces |
| CN101291812B (en) * | 2005-11-25 | 2011-06-08 | 佳能株式会社 | Ink jet recording head, ink jet cartridge with ink jet recording head, and ink jet recording apparatus |
| CN101573240B (en) * | 2006-12-21 | 2011-06-22 | 爱克发印艺公司 | Inkjet printing methods and inkjet ink sets, printer and combination of printer , evaluation and measurement device |
| CN109693445A (en) * | 2017-10-24 | 2019-04-30 | 东芝泰格有限公司 | Fluid ejection head and liquid ejection apparatus |
| CN114670550A (en) * | 2018-01-31 | 2022-06-28 | 环球展览公司 | Organic vapor jet printhead with orthogonal feed and exhaust channels |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6139134A (en) * | 1996-10-14 | 2000-10-31 | Sony Corporation | Printer |
| JPH1199651A (en) * | 1997-07-31 | 1999-04-13 | Canon Inc | Method and apparatus for discharging liquid |
| DE60040637D1 (en) | 1999-08-27 | 2008-12-11 | Oce Tech Bv | Ink jet print head channel structure |
| EP1078761B1 (en) * | 1999-08-27 | 2008-10-29 | Océ-Technologies B.V. | Channel structure for an ink jet printhead |
| US7300619B2 (en) | 2000-03-13 | 2007-11-27 | Objet Geometries Ltd. | Compositions and methods for use in three dimensional model printing |
| US6569373B2 (en) * | 2000-03-13 | 2003-05-27 | Object Geometries Ltd. | Compositions and methods for use in three dimensional model printing |
| US8481241B2 (en) | 2000-03-13 | 2013-07-09 | Stratasys Ltd. | Compositions and methods for use in three dimensional model printing |
| US20030207959A1 (en) | 2000-03-13 | 2003-11-06 | Eduardo Napadensky | Compositions and methods for use in three dimensional model printing |
| US7077334B2 (en) * | 2003-04-10 | 2006-07-18 | Massachusetts Institute Of Technology | Positive pressure drop-on-demand printing |
| US20080308037A1 (en) * | 2007-06-14 | 2008-12-18 | Massachusetts Institute Of Technology | Method and apparatus for thermal jet printing |
| GB2438180A (en) * | 2006-05-16 | 2007-11-21 | Cametrics Ltd | Ink jet printing methods |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433719A1 (en) * | 1974-07-13 | 1976-01-29 | Agfa Gevaert Ag | INK WRITING DEVICE FOR THE INKJET PROCESS |
| DE3501905A1 (en) * | 1983-08-01 | 1985-12-12 | Veb Kombinat Robotron, Ddr 8012 Dresden | Method of colour recording of information by means of ink jet |
| US4614953A (en) * | 1984-04-12 | 1986-09-30 | The Laitram Corporation | Solvent and multiple color ink mixing system in an ink jet |
| JP3161635B2 (en) * | 1991-10-17 | 2001-04-25 | ソニー株式会社 | Ink jet print head and ink jet printer |
-
1996
- 1996-04-11 DE DE69601318T patent/DE69601318T2/en not_active Expired - Fee Related
- 1996-04-11 EP EP96105732A patent/EP0737585B1/en not_active Expired - Lifetime
- 1996-04-12 CN CNB961103353A patent/CN1142855C/en not_active Expired - Fee Related
- 1996-04-13 KR KR1019960011109A patent/KR960037289A/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379499C (en) * | 2002-05-29 | 2008-04-09 | 施密德吕纳股份公司 | Method for applying coatings to surfaces |
| CN101291812B (en) * | 2005-11-25 | 2011-06-08 | 佳能株式会社 | Ink jet recording head, ink jet cartridge with ink jet recording head, and ink jet recording apparatus |
| CN101573240B (en) * | 2006-12-21 | 2011-06-22 | 爱克发印艺公司 | Inkjet printing methods and inkjet ink sets, printer and combination of printer , evaluation and measurement device |
| CN109693445A (en) * | 2017-10-24 | 2019-04-30 | 东芝泰格有限公司 | Fluid ejection head and liquid ejection apparatus |
| CN109693445B (en) * | 2017-10-24 | 2021-04-20 | 东芝泰格有限公司 | Liquid discharge head and liquid discharge apparatus |
| CN114670550A (en) * | 2018-01-31 | 2022-06-28 | 环球展览公司 | Organic vapor jet printhead with orthogonal feed and exhaust channels |
| CN114670550B (en) * | 2018-01-31 | 2024-05-14 | 环球展览公司 | Organic vapor jet printhead with orthogonal transport and exhaust channels |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0737585A1 (en) | 1996-10-16 |
| DE69601318T2 (en) | 1999-08-26 |
| DE69601318D1 (en) | 1999-02-25 |
| CN1142855C (en) | 2004-03-24 |
| KR960037289A (en) | 1996-11-19 |
| EP0737585B1 (en) | 1999-01-13 |
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