EP0067653A2 - Druckknopf für Tintenstrahlscheiber - Google Patents

Druckknopf für Tintenstrahlscheiber Download PDF

Info

Publication number
EP0067653A2
EP0067653A2 EP82302955A EP82302955A EP0067653A2 EP 0067653 A2 EP0067653 A2 EP 0067653A2 EP 82302955 A EP82302955 A EP 82302955A EP 82302955 A EP82302955 A EP 82302955A EP 0067653 A2 EP0067653 A2 EP 0067653A2
Authority
EP
European Patent Office
Prior art keywords
plate
ink
cavities
printing head
ink jet
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Withdrawn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
EP82302955A
Other languages
English (en)
French (fr)
Other versions
EP0067653A3 (de
Inventor
Yoshiaki Kimura
Tetsuji Kodama
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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
Priority claimed from JP9129781A external-priority patent/JPS585261A/ja
Priority claimed from JP9129681A external-priority patent/JPS57205163A/ja
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of EP0067653A2 publication Critical patent/EP0067653A2/de
Publication of EP0067653A3 publication Critical patent/EP0067653A3/de
Withdrawn legal-status Critical Current

Links

Images

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
    • B41J2/14201—Structure of print heads with piezoelectric elements
    • B41J2/14233—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm
    • 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

Definitions

  • This invention relates to a printing head for an ink jet printer, and more particularly to a printing head for a drop on-demand type ink jet printer.
  • Ink jet printers can be broadly classified into a drop on-demand type which jets ink droplets whenever necessary and a continuous type which jets the ink droplets constantly.
  • the continuous type printer requires a high voltage power source on the order of kilo-volts to deflect the ink droplets while constantly jetting the ink.
  • the printer also refreshes unnecessary ink so that an ink circulating mechanism has a complicated construction. These altogether increase the size of the printer.
  • the drop on-demand type printer can be constructed smaller and can jet the ink droplets at a lower voltage (e.g. about 100 V).
  • the drop on-demand printer does not need the-ink circulating mechanism because the ink is jetted only when necessary, thus making it possible to simplify the ink feed mechanism and reduce the size of the printer.
  • the drop on-demand is disadvantageous in comparison with the continuous type because it has lower resolution and speed performance. Its driving frequency is generally lower than that of the continuous type.
  • a plurality of ink projection chambers are arranged in this drop on-demand type ink jet printer so as to realize a jet head having a multi-nozzle arrangement and to improve the speed performance of the ink jet printer.
  • the nozzles are disposed merely plane-wise in the conventional multi-nozzle ink jet head, the nozzle pitch (or nozzle gap) can not be made sufficiently small and hence, sufficient resolution can not be attained.
  • the ink jet printer using the first method (i) has the critical problem in that the printing speed is extremely reduced, and the printer using the second method (ii) has the problem that the cost of production of the printing heads and their associated components (such as the ink feed passages) becomes higher in proportion to the number of printing heads, increasing the cost of production of the printer as a whole.
  • Figure 1 is a sectional view showing the construction of the conventional printing head in the drop on-demand type ink jet printer.
  • Reference numeral 1 represents a first plate having a cavity la formed thereon.
  • a second plate 2 which is a flexible wall, is disposed on the cavity la and defines a projection chamber 3 together with the cavity la.
  • the ink is fully charged into the projection chamber 3.
  • a piezoelectric crystal 4 is bonded to the second plate 2, and deforms the flexible second plate 2 in response to an external signal, reducing the volume of the projection chamber and jetting the ink therein out through a nozzle 5.
  • the second plate 2 In order to function as a flexible wall, the second plate 2 must be as thin as on the order of several hundreds of microns and since the accuracy of finishing the thickness is closely related with the speed of the ink droplets, the threshold frequency and stability, the error in thickness must generally be as high as within 10 ym. Hence, it has conventionally been finished by lapping.
  • the number of projection chambers must be increased or the area of the second plate 2 must be increased.
  • the present invention is directed to provide a printing head for an ink . jet printer which can easily be constructed in a multi-nozzle arrangement and can be produced economically.
  • the construction which accomplishes this object of the present invention comprises a first plate having a cavity formed by etching and whose wall serves as the flexible wall deforming in response to an external signal, and a second plate disposed opposite the first plate so as to make the cavity to form a projection chamber.
  • the construction to accomplish this object of the present invention is characterized in that projection chambers each having flexible walls deforming in response to an external signal are disposed on both sides of a second plate.
  • Fiugre 16 shows the arrangement of nozzles in still another embodiment of the present invention.
  • Figure 2 is a sectional view showing the printing head in accordance with an embodiment of the present invention, in which reference numeral 11 represents a first plate and reference numeral 12 represents a second plate which is disposed so as to oppose the first plate 11.
  • a cavity lla is formed by etching on the first plate 11 and its reduced thickness portion forms a flexible wall 11b.
  • the surface of the second plate 12 and the inner surface of the cavity lla together form a projection chamber 13 which receives ink 16 fed from an ink reservoir chamber 14 through a conduit 15.
  • Reference numeral 17 represents a piezoelectric crystal bonded to the flexible wall llb of the first plate 11 and driven by a pulse generator 18 which delivers electric pulses in accordance with recorded data.
  • Reference numeral 19 represents a nozzle for jetting the ink 16 inside the projection chamber 13 out.
  • the tip of the nozzle has an orifice 20.
  • a plurality of nozzles 19, orifices 20 and projection chambers 13 are disposed in the direction perpendicular to the drawing,
  • the projection chamber 13 of the printing head as well as the nozzle 19 thus constructed are filled with ink 16 supplied from the ink reservoir chamber 14 through the conduit 15.
  • the flexible wall llb also undergoes inward deformation so that the volume of the projection chamber 13 rapidly decreases and a part of the ink 16 inside the projection chamber 13 is jetted at a high speed out through the nozzle 19 and orifice 20.
  • the other part of the ink returns to the ink reservoir chamber 14 through the conduit 15.
  • the ink that has been jetted out through nozzle 19 and orifice 20 turns into spherical ink droplets due to the surface tension after jetting..
  • the diameter of the ink droplet is determined by the diameter of the orifice 20, the voltage level of the electric pulse, its rise time constant and its width.
  • the volume of _ the projection chamber 13 returns to its original state after the passage of time corresponding to the pulse width of the electric pulse, and when the volume returns to its original state the projection chamber 13 receives the ink 16 fed from the ink reservoir chamber 14.
  • Figure 3 is a sectional view which shows another embodiment of the present invention, which is different from the embodiment shown in Figure 2 in that it has a pressure absorbing chamber.
  • reference numerals 21 and 22 represent the first plate and the second plate opposing the first plate 21, respectively.
  • Figure 4 shows: a cavity 23 for forming the pressure absorbing chamber, projection chamber-forming cavities (apertures ) 24 (twelve cavities 24-1, 24-2, ..., 24-12 are shown in the drawing) connected with the cavity 23, nozzle-forming cavities 25 (twelve cavities 25-1, 25-2, ..., 25-12 are shown in the drawing), radial cavities 26 for connecting the projection chamber-forming cavities 24 with the nozzle-forming cavities 25 (twelve radial cavities 26-1, 26-2, ..., 26-12 are shown in the drawing), an ink inflow port 27, an elongated cavities 28 for guiding the ink to the cavity 23 and an assembly jig hole 29, all formed by etching on the first plate 21.
  • FIG. 6 shows the second plate 22, in which are formed an aperture 31 for forming the pressure absorbing chamber, an ink inflow port 32 and an assembly jig hole 33.
  • Both first and second plates 21, 22 are made of photosensitive glass such as "Photoceram", the trade name of a product of Corning Glass Co., U.S., for example.
  • Photoceram the trade name of a product of Corning Glass Co., U.S., for example.
  • the photoceram plate thus exposed and developed is dipped in a hydrogen fluoride solution and the crystallized portion is deeply etched.
  • the vitreous portion is also etched by the hydrogen fluoride solution but the degree of etching is about 1/50 that of the crystallized portion and is substantially negligible.
  • Photoceram plates thus etched are used for both of the first and second plates 21, 22.
  • the first and second plates 21, 22 are bonded by a thermal bonding (or interfusion) technique. In this technique, the joint surfaces are accurately polished and brought into intimate contact. The surfaces are kept under such a state at a high temperature (at 800°C or above in the case of photoceram) for several hours so as to bond them together by means of the molecular force between them.
  • each.of projection chambers 34 (34-1, 34-2, ..., 34-12) and nozzles 35 (35-1, 35-2, ..., 35-12) are formed between them.
  • the pressure absorbing chamber 36 for absorbing the pressure which is transmitted to the ink reservoir chamber when the ink droplets are jetted is formed close to the center of the plates 21 and 22.
  • a flexible cover 37 covers the opening of this pressure absorbing chamber 36.
  • Reference numeral 38 represents twelve (38-1, 38-2, ..., 38-12) piezoelectric crystals that are bonded to the flexible walls 30 of the first plate 21 and reference numeral 39 represents a connector for receiving the feed of the ink.
  • one (assumed hereby to be 38-1) receives an electric pulse causing the flexible wall 30-1 to which it is bonded to deform inward and rapidly decrease the volume of the projection chamber 34-1 so that the ink therein jets out via the nozzle 35-1.
  • part of the ink moves in the direction opposite the nozzle 35-1.
  • -the volume of the pressure absorbing chamber 36 temporarily increases and absorbs the rise of the liquid pressure, so the ink droplets are not jetted by nozzles other than the nozzle 35-1.
  • the cavities are formed by etching on the first plate and the walls of the cavities are used as the flexible walls in the present invention.
  • a suitable thickness can be selected for both first and second plates without any problem of accuracy of finishing.
  • the present invention makes it possible to select the thickness of both the first and second plates irrespective of the thickness of the flexible walls and hence, to use the first and second plates having a greater surface area. This makes it possible to realize a printing head having a multi-nozzle construction.
  • the cavities can be shaped by etching and may be disposed so as to merely oppose the plates, the printing head can be produced economically.
  • FIG. 7 is a sectional view of the printing head in accordance with still another embodiment of the present invention.
  • reference numeral 41 represents a second plate and reference numerals 42 and 43 represent first plates disposed on both sides of the second plate 41.
  • Cavities 42a and 43a are formed on both first plates 42, 43, respectively, and their reduced thickness portions serves as flexible walls 42b and 43b, respectively.
  • Projection chambers 44, 45 are formed between the surfaces of the second plate 41 and the inner surfaces of the cavities 42a, 43a, respectively, and receive ink 16 fed from ink reservoir chamber 14 through conduit 15.
  • Reference numerals 49 and 50 represent piezoelectric crystals that are bonded to the flexible walls 42b, 43b of the first plates 42, 43 and are driven by the pulse generator 18 which delivers the electric pulses in accordance with recorded data.
  • Reference numerals 52 and 53 represent the nozzles for jetting and the ink 16 inside the projection chambers 44, 45. Orifices 54, 55 are formed at the tips of the nozzles 52, 53, respectively. A plurality of nozzles 52, 53, orifices 54, 55 and projection chambers 44, 45 are disposed in the direction perpendicular to the drawing.
  • the projection chambers 44, 45 and nozzles 52, 53 of the printing head thus constructed are filled up with the ink 16 supplied from ink reservoir chamber 14 through conduit 15. Accordingly, when an electric pulse causing inward deformation of the piezoelectric crystal is applied to a specific piezoelectric crystal, such as the piezoelectric crystal 49 for example, the flexible wall 42b also undergoes inward deformation so that the volume of the projection chamber 44 is rapidly reduced and a part of the ink 16 therein jets out at high speed through the nozzle 52 and the orifice 54. In the other direction, the other part returns to the ink reservoir chamber 14 through the conduit 15.
  • a specific piezoelectric crystal such as the piezoelectric crystal 49 for example
  • the ink jetted outside through the nozzle 52 and the orifice 54 turns into spherical ink droplets due to the surface tension immediately after being jetted.
  • the diameter of the ink droplet is determined by the inner diameter of the orifice 54, the voltage of the electric pulse, and its rise time constant and pulse width.
  • the volume of the projection chamber 44 returns to its original state after the passage of a time corresponding to the pulse width of the electric pulse, and when the volume returns to the original state, the projection chamber 44 receives ink 16 fed from the ink reservoir chamber 14.
  • Figure 8 is a sectional view showing still another embodiment of the present invention. This embodiment is different from the one shown in Figure 7 in that it has the pressure absorbing chamber 57.
  • An aperture 64 for forming the pressure absorbing chamber, a round hole 65 for forming an ink inflow port, an elongated hole 66 for guiding the ink to the aperture 64 for forming the pressure absorbing chamber and an assembly jig hole 67 are formed on the second plate 41, as depicted in Figure 9.
  • An aperture 68 for forming the pressure absorbing chamber, cavities 69 (grooves) for forming the projection chambers connected with this aperture 68 (twelve cavities 69-1, 69-2, ..., 69-12 are shown in the drawing), nozzle-forming cavities 70 (twelve cavities 70-1, 70-2, ..., 70-12 are shown in the drawing), radial cavities 71 (twelve cavities 71-1, 71-2, ..., 71-12 are shown in the drawing) connecting the projection chamber-forming cavities 69 with the nozzle-forming cavities 70, an ink inflow port 72 and an assembly jig hole 73 are formed on the first plate 42 as shown in Figure 10.
  • the aperture 68 for forming the pressure absorbing chamber, the ink inflow port hole 72 and the assembly jig hole 73 penetrate the plate 42 through its back.
  • the reduced thickness portions of the projection chamber forming cavities 69 form flexible walls 74 (corresponding to the cavities 69 and represented by 74-1, 74-2, ..., 74-12).
  • the first plate 43 has substantially the same shape and construction as the other first plate 42. As shown in Figure 13 formed in first plate 43 are: a cavity 75 for forming the pressure absorbing chamber, projection chamber-forming cavities 7 6 (twelve cavities 76-1, 76-2, ..., 76-12 are shown in the drawing) connected with the cavity 75, nozzle-forming cavities 77 (twelve cavities 77-1, 77-2, ..., 77-12 are shown in the drawing), radial cavities 78 (twelve cavities 78-1, 78-2, ..., 78-12 are shown in the drawing) for connecting the projection chamber-forming cavities 76 with the nozzle-forming cavities 77, an ink inflow port 79 and an assembly jig hole 80.
  • the reduced thickness portions at the bottom of the projection chamber-forming cavities 76 form flexible walls 81 (corresponding to the cavities 76 and represented by 81-1, 81-2, ..., 81-12).
  • the second plate 41 and the first plates 42, 43 are made of photosensitive glass such as "Photoceram", the trade name of a product of Corning Glass Co., U.S., for example.
  • the thus etched photoceram plate is used for both second and first plates 41, 42, 43.
  • the second plate 41 is bonded to the first plates 42, 43 by a bonding technique called "thermal bonding" (or “interfusion”).
  • twelve each of projection chambers 82 (82-1, 82-2, ..., 82-12) and nozzles 83 (83-1, 83-2, ..., 83-12) are formed on one side of the second plate 41 and twelve each of projection chambers 84 (84-1, 84-2, ..., 84-12) and nozzles 85 (85-1, 85-2, ..., 85-12) are formed on the other side.
  • Figure 15 shows the arrangement of the nozzles 83 and 85 thus aligned.
  • the pressure absorbing chamber 57 for absorbing the pressure which is transmitted to the ink reservoir chamber at the time of jetting of the ink droplets is formed close to the center of the plates 41, 42, 43.
  • a flexible film 87 covers the opening of the pressure absorbing chamber 57.
  • Rerefence numerals 88 and 89 represent twenty-four piezoelectric crystals (88-1, 88-2, ..., 88-12 and 89-1, 89-2, ..., 89-12) that are bonded to the flexible walls 74 and 81 of the first plates 42 and 43, respectively.
  • Reference numeral 90 represents a connector for receiving the feed of ink.
  • the operation of the printing head constructed as described above is the same as that of the embodiment shown in Figure 7.
  • one hereinafter assumed to be the piezoelectric crystal 89-1 receives an electric pulse and deforms the flexible wall 74-1 to which it is bonded inward, drastically reducing the volume of the projection chamber 82-1 having the flexible wall 74-1, and thereby jetting the ink inside the chamber out through the nozzle 83-1.
  • a part of the ink moves in the direction opposite the nozzle 83-1.
  • the volume of the pressure absorbing chamber 57 temporarily increases and absorbs the liquid pressure rise, the ink droplets are not jetted from nozzles other than the nozzle 83-1.
  • the nozzles 83, 85 in a zigzag arrangement by deviating them a distance corresponding to a half pitch of the nozzles shown in Figure 16.
  • the pitch of the entire nozzles 83, 85 becomes a half of the pitch (d) of the nozzles 83 or 85.
  • this embodiment employs the fundamental construction that projection chambers having flexible walls which deform in response to external signals are formed on both sides of the second plate.
  • a printing head having an extremely simplified construction can be realized.
  • the printing head can be produced easily and economically especially by forming the cavities having flexible walls on first plates and interposing the second plate between these first plates, or by forming the cavities by etching.
  • the present invention makes it possible to arrange the nozzles with a high density and to realize high speed printing with high resolution.
  • the arrangement shown in Figure 15 realizes high speed while the arrangement shown in Figure 16 realizes high resolution.

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
EP82302955A 1981-06-13 1982-06-08 Druckknopf für Tintenstrahlscheiber Withdrawn EP0067653A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9129781A JPS585261A (ja) 1981-06-13 1981-06-13 インクジエツトプリンタ用噴射ヘツド
JP91297/81 1981-06-13
JP9129681A JPS57205163A (en) 1981-06-13 1981-06-13 Ink jet head for ink jet printer
JP91296/81 1981-06-13

Publications (2)

Publication Number Publication Date
EP0067653A2 true EP0067653A2 (de) 1982-12-22
EP0067653A3 EP0067653A3 (de) 1983-11-09

Family

ID=26432758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82302955A Withdrawn EP0067653A3 (de) 1981-06-13 1982-06-08 Druckknopf für Tintenstrahlscheiber

Country Status (1)

Country Link
EP (1) EP0067653A3 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887100A (en) * 1987-01-10 1989-12-12 Am International, Inc. Droplet deposition apparatus
EP0581395A2 (de) * 1992-07-31 1994-02-02 Francotyp-Postalia GmbH Tintenstrahldruckkopf und Verfahren zu seiner Herstellung
EP0695640A3 (de) * 1994-07-05 1997-03-05 Francotyp Postalia Gmbh Tintendruckkopf aus einzelnen Tintendruckmodulen
US5714078A (en) * 1992-07-31 1998-02-03 Francotyp Postalia Gmbh Edge-shooter ink jet print head and method for its manufacture
US6447105B1 (en) * 1995-05-09 2002-09-10 Oce-Nederland B.V. Ink-jet system with an ink channel having a non-uniform depth
WO2005007412A1 (en) 2003-07-03 2005-01-27 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
WO2006121975A1 (en) * 2005-05-09 2006-11-16 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
US7380914B2 (en) 2005-04-26 2008-06-03 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
US7540593B2 (en) 2005-04-26 2009-06-02 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
CN102133816A (zh) * 2010-01-08 2011-07-27 施乐公司 固体油墨印刷头的油墨储存容器
CN101541543B (zh) * 2006-09-14 2011-11-16 惠普开发有限公司 流体喷射装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013095A1 (de) * 1978-12-23 1980-07-09 Epson Corporation Schreibkopf für ein Tintenstrahl-Schreibwerk
US4216477A (en) * 1978-05-10 1980-08-05 Hitachi, Ltd. Nozzle head of an ink-jet printing apparatus with built-in fluid diodes
US4222058A (en) * 1978-10-12 1980-09-09 The Mead Corporation Charge plate with conductive pads and method of manufacture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216477A (en) * 1978-05-10 1980-08-05 Hitachi, Ltd. Nozzle head of an ink-jet printing apparatus with built-in fluid diodes
US4222058A (en) * 1978-10-12 1980-09-09 The Mead Corporation Charge plate with conductive pads and method of manufacture
EP0013095A1 (de) * 1978-12-23 1980-07-09 Epson Corporation Schreibkopf für ein Tintenstrahl-Schreibwerk

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887100A (en) * 1987-01-10 1989-12-12 Am International, Inc. Droplet deposition apparatus
USRE36667E (en) * 1987-01-10 2000-04-25 Xaar Limited Droplet deposition apparatus
US5802687A (en) * 1992-07-31 1998-09-08 Francotyp-Postalia Ag & Co. Method of manufacturing an ink jet print head
US5825382A (en) * 1992-07-31 1998-10-20 Francotyp-Postalia Ag & Co. Edge-shooter ink jet print head and method for its manufacture
EP0726152A2 (de) * 1992-07-31 1996-08-14 Francotyp-Postalia Aktiengesellschaft & Co. Herstellungsverfahren für einen Tintenstrahldruckkopf
EP0726152A3 (de) * 1992-07-31 1996-10-09 Francotyp Postalia Gmbh Herstellungsverfahren für einen Tintenstrahldruckkopf
US5592203A (en) * 1992-07-31 1997-01-07 Francotyp-Postalia Gmbh Ink jet print head
EP0581395A3 (en) * 1992-07-31 1994-08-24 Francotyp Postalia Gmbh Ink jet printhead and a method for its manufacture
EP0581395A2 (de) * 1992-07-31 1994-02-02 Francotyp-Postalia GmbH Tintenstrahldruckkopf und Verfahren zu seiner Herstellung
US5714078A (en) * 1992-07-31 1998-02-03 Francotyp Postalia Gmbh Edge-shooter ink jet print head and method for its manufacture
DE4225799A1 (de) * 1992-07-31 1994-02-03 Francotyp Postalia Gmbh Tintenstrahldruckkopf und Verfahren zu seiner Herstellung
EP0695640A3 (de) * 1994-07-05 1997-03-05 Francotyp Postalia Gmbh Tintendruckkopf aus einzelnen Tintendruckmodulen
US5668583A (en) * 1994-07-05 1997-09-16 Francotyp-Postalia Ag & Co. Ink printer head composed of individual ink printer modules
US6447105B1 (en) * 1995-05-09 2002-09-10 Oce-Nederland B.V. Ink-jet system with an ink channel having a non-uniform depth
WO2005007412A1 (en) 2003-07-03 2005-01-27 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
CN100436139C (zh) * 2003-07-03 2008-11-26 惠普开发有限公司 流体喷射组件
US7380914B2 (en) 2005-04-26 2008-06-03 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
US7540593B2 (en) 2005-04-26 2009-06-02 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
WO2006121975A1 (en) * 2005-05-09 2006-11-16 Hewlett-Packard Development Company, L.P. Fluid ejection assembly
CN101541543B (zh) * 2006-09-14 2011-11-16 惠普开发有限公司 流体喷射装置
CN102133816A (zh) * 2010-01-08 2011-07-27 施乐公司 固体油墨印刷头的油墨储存容器
CN102133816B (zh) * 2010-01-08 2014-12-24 施乐公司 固体油墨印刷头的油墨储存容器

Also Published As

Publication number Publication date
EP0067653A3 (de) 1983-11-09

Similar Documents

Publication Publication Date Title
US4587534A (en) Liquid injection recording apparatus
US6460981B1 (en) Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports
US6158847A (en) Laminated ink-jet recording head, a process for production thereof and a printer equipped with the recording head
US4216483A (en) Linear array ink jet assembly
US6729716B2 (en) Liquid drop jet head and ink jet recording apparatus
US6886923B2 (en) Small-sized liquid-jet head and liquid-jet apparatus with increased number of arrays of nozzle orifices
JPS58179659A (ja) インクジエツト記録装置
EP0067653A2 (de) Druckknopf für Tintenstrahlscheiber
CA1186365A (en) Ink jet print head
US4188635A (en) Ink jet printing head
US4443807A (en) Ink jet print head
US6137511A (en) Ink jet recording head having an ink reservoir comprising a plurality of grooves with increased strength and volume capacity and ink jet recording apparatus having the same
EP0710182B1 (de) Tintenstrahlspritzdüsen
US6702431B1 (en) Ink jet recording head and image recording apparatus incorporating the same
US20030193549A1 (en) Method of producing an ink jet recording head
JPH07178908A (ja) インクジェット式記録ヘッド
JPH09300635A (ja) インクジェット記録装置
EP0037624B1 (de) Kopf für einen Tintenstrahldrucker
JP2002144557A (ja) インクジェットヘッドの駆動方法
JP3235630B2 (ja) インクジェット式記録ヘッド
JPH1158747A (ja) ノズル形成部材及びその製造方法並びにインクジェットヘッド
JPS581569A (ja) 液体噴射記録ヘツド
JPS585261A (ja) インクジエツトプリンタ用噴射ヘツド
JP3384235B2 (ja) インクジェット式記録ヘッド
JPS61114854A (ja) インク滴噴出装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840710

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KIMURA, YOSHIAKI

Inventor name: KODAMA, TETSUJI