ES2087890T3 - Proceso para la fabricacion de un cabezal para la impresion por chorros de tinta. - Google Patents

Proceso para la fabricacion de un cabezal para la impresion por chorros de tinta.

Info

Publication number
ES2087890T3
ES2087890T3 ES90303136T ES90303136T ES2087890T3 ES 2087890 T3 ES2087890 T3 ES 2087890T3 ES 90303136 T ES90303136 T ES 90303136T ES 90303136 T ES90303136 T ES 90303136T ES 2087890 T3 ES2087890 T3 ES 2087890T3
Authority
ES
Spain
Prior art keywords
photosensitive material
liquid channel
solid layer
inks
printing
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.)
Expired - Lifetime
Application number
ES90303136T
Other languages
English (en)
Inventor
Minoru Nozawa
Tadayoshi Inamoto
Hideaki Mashio
Masami Yokota
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.)
Canon Inc
Original Assignee
Canon 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 JP1072184A external-priority patent/JP2752686B2/ja
Priority claimed from JP1084742A external-priority patent/JP2710983B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2087890T3 publication Critical patent/ES2087890T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/164—Manufacturing processes thin film formation
    • B41J2/1645—Manufacturing processes thin film formation thin film formation by spincoating
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1601—Production of bubble jet print heads
    • B41J2/1604—Production of bubble jet print heads of the edge shooter type
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1623—Manufacturing processes bonding and adhesion
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1626—Manufacturing processes etching
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1631—Manufacturing processes photolithography
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1632—Manufacturing processes machining
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1637—Manufacturing processes molding
    • B41J2/1639—Manufacturing processes molding sacrificial molding
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/164—Manufacturing processes thin film formation
    • B41J2/1643—Manufacturing processes thin film formation thin film formation by plating
    • 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
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/164—Manufacturing processes thin film formation
    • B41J2/1646—Manufacturing processes thin film formation thin film formation by sputtering
    • 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
    • B41J2002/14467—Multiple feed channels per ink chamber

Abstract

UN PROCESO PARA PRODUCIR UNA CABEZA DE GRABACION DE CHORRO LIQUIDO COMPRENDE LA ETAPA DE LAMINACION DE UNA CAPA SOLIDA (4) PARA FORMACION DE UN CANAL LIQUIDO, UN MATERIAL FOTOSENSIBLE (5) QUE SE FACILITA PARA CUBRIR DICHA CAPA SOLIDA, UNA PLANCHA CON ABERTURA DE DESCARGA (6) PROPORCIONADA CON ABERTURAS DE DESCARGA QUE COMUNICAN CON DICHO CANAL LIQUIDO EN ESTE ORDEN SOBRE UN SUBSTRATO (1), LA ETAPA DE IRRADIACION DE UN RAYO DE ENERGIA ACTIVA (9) EN UNA PLANTILLA SOBRE DICHA CAPA DE MATERIAL FOTOSENSIBLE Y LA ETAPA DE RETIRADA DE DICHA CAPA SOLIDA Y LA PORCION INCURADA DE DICHA CAPA DE MATERIAL FOTOSENSIBLE CORRESPONDIENTE A DICHA PLANTILLA PARA FORMAR EL CITADO CANAL LIQUIDO.
ES90303136T 1989-03-24 1990-03-23 Proceso para la fabricacion de un cabezal para la impresion por chorros de tinta. Expired - Lifetime ES2087890T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1072184A JP2752686B2 (ja) 1989-03-24 1989-03-24 液体噴射記録ヘッドの製造方法
JP1084742A JP2710983B2 (ja) 1989-04-05 1989-04-05 液体噴射記録ヘッドの製造方法

Publications (1)

Publication Number Publication Date
ES2087890T3 true ES2087890T3 (es) 1996-08-01

Family

ID=26413307

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90303136T Expired - Lifetime ES2087890T3 (es) 1989-03-24 1990-03-23 Proceso para la fabricacion de un cabezal para la impresion por chorros de tinta.

Country Status (5)

Country Link
US (1) US5126768A (es)
EP (1) EP0393855B1 (es)
AT (1) ATE139186T1 (es)
DE (1) DE69027363T2 (es)
ES (1) ES2087890T3 (es)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0468712B1 (en) * 1990-07-21 1998-10-07 Canon Kabushiki Kaisha A method of manufacturing an ink jet head and an ink jet head
ATE130803T1 (de) * 1990-08-03 1995-12-15 Canon Kk Farbstrahlaufzeichnungskopfherstellungsverfahre .
US5229785A (en) * 1990-11-08 1993-07-20 Hewlett-Packard Company Method of manufacture of a thermal inkjet thin film printhead having a plastic orifice plate
ATE144197T1 (de) * 1991-02-20 1996-11-15 Canon Kk Tintenstrahlaufzeichnungskopf, tintenstrahlaufzeichnungsvorrichtung diesen verwendend und verfahren zu seiner herstellung
JPH0592570A (ja) 1991-10-03 1993-04-16 Canon Inc 液体噴射記録ヘツド、その製造方法、及び液体噴射記録ヘツドを備えた記録装置
JP3402618B2 (ja) * 1991-11-12 2003-05-06 キヤノン株式会社 インクジェット記録ヘッドの製造方法および記録装置
US5311252A (en) * 1992-05-29 1994-05-10 Eastman Kodak Company Method of proximity imaging photolithographic structures for ink jet printers
DE69329359T2 (de) * 1992-06-01 2001-03-08 Canon Kk Verfahren zur Herstellung eines Tintenstrahlaufzeichnungskopfes
JP2960608B2 (ja) * 1992-06-04 1999-10-12 キヤノン株式会社 液体噴射記録ヘッドの製造方法
EP0585854B1 (en) * 1992-08-31 1998-11-11 Canon Kabushiki Kaisha Ink jet head manufacturing method using ion machining and ink jet head manufactured thereby
EP0585890B1 (en) * 1992-09-01 1997-12-29 Canon Kabushiki Kaisha Ink jet head and ink jet apparatus using same
JP3143307B2 (ja) * 1993-02-03 2001-03-07 キヤノン株式会社 インクジェット記録ヘッドの製造方法
US5322594A (en) * 1993-07-20 1994-06-21 Xerox Corporation Manufacture of a one piece full width ink jet printing bar
CA2136514C (en) * 1993-11-26 2000-01-11 Masashi Kitani An ink jet recording head, an ink jet unit and an ink jet apparatus using said recording head
JP3229146B2 (ja) * 1994-12-28 2001-11-12 キヤノン株式会社 液体噴射ヘッドおよびその製造方法
JP3176249B2 (ja) * 1995-04-28 2001-06-11 キヤノン株式会社 インクジェット記録ヘッド、インクジェット記録装置および情報処理システム
US5781211A (en) * 1996-07-23 1998-07-14 Bobry; Howard H. Ink jet recording head apparatus
US5901425A (en) 1996-08-27 1999-05-11 Topaz Technologies Inc. Inkjet print head apparatus
JPH10119314A (ja) 1996-08-30 1998-05-12 Canon Inc 液体吐出ヘッドユニットの結合方法、液体吐出ヘッドユニットおよび液体吐出カートリッジ
US6093330A (en) * 1997-06-02 2000-07-25 Cornell Research Foundation, Inc. Microfabrication process for enclosed microstructures
AUPP653498A0 (en) 1998-10-16 1998-11-05 Silverbrook Research Pty Ltd Micromechanical device and method (ij46a)
AUPP654398A0 (en) * 1998-10-16 1998-11-05 Silverbrook Research Pty Ltd Micromechanical device and method (ij46g)
AUPP653998A0 (en) * 1998-10-16 1998-11-05 Silverbrook Research Pty Ltd Micromechanical device and method (ij46B)
AUPP654598A0 (en) * 1998-10-16 1998-11-05 Silverbrook Research Pty Ltd Micromechanical device and method (ij46h)
US6180536B1 (en) 1998-06-04 2001-01-30 Cornell Research Foundation, Inc. Suspended moving channels and channel actuators for microfluidic applications and method for making
US6742873B1 (en) * 2001-04-16 2004-06-01 Silverbrook Research Pty Ltd Inkjet printhead construction
US6902255B1 (en) * 1998-10-16 2005-06-07 Silverbrook Research Pty Ltd Inkjet printers
US20040263551A1 (en) * 1998-10-16 2004-12-30 Kia Silverbrook Method and apparatus for firing ink from a plurality of nozzles on a printhead
US7677686B2 (en) * 1998-10-16 2010-03-16 Silverbrook Research Pty Ltd High nozzle density printhead ejecting low drop volumes
WO2000023279A1 (en) * 1998-10-16 2000-04-27 Silverbrook Research Pty. Limited Improvements relating to inkjet printers
US6918655B2 (en) * 1998-10-16 2005-07-19 Silverbrook Research Pty Ltd Ink jet printhead with nozzles
US6863378B2 (en) * 1998-10-16 2005-03-08 Silverbrook Research Pty Ltd Inkjet printer having enclosed actuators
US7815291B2 (en) 1998-10-16 2010-10-19 Silverbrook Research Pty Ltd Printhead integrated circuit with low drive transistor to nozzle area ratio
US7182431B2 (en) * 1999-10-19 2007-02-27 Silverbrook Research Pty Ltd Nozzle arrangement
US7001007B2 (en) * 1998-10-16 2006-02-21 Silverbrook Research Pty Ltd Method of ejecting liquid from a micro-electromechanical device
US7111924B2 (en) * 1998-10-16 2006-09-26 Silverbrook Research Pty Ltd Inkjet printhead having thermal bend actuator heating element electrically isolated from nozzle chamber ink
US7216956B2 (en) * 1998-10-16 2007-05-15 Silverbrook Research Pty Ltd Printhead assembly with power and ground connections along single edge
US7384131B2 (en) * 1998-10-16 2008-06-10 Silverbrook Research Pty Ltd Pagewidth printhead having small print zone
US6994424B2 (en) * 1998-10-16 2006-02-07 Silverbrook Research Pty Ltd Printhead assembly incorporating an array of printhead chips on an ink distribution structure
US7419250B2 (en) * 1999-10-15 2008-09-02 Silverbrook Research Pty Ltd Micro-electromechanical liquid ejection device
US7028474B2 (en) 1998-10-16 2006-04-18 Silverbook Research Pty Ltd Micro-electromechanical actuator with control logic circuitry
AUPP702198A0 (en) * 1998-11-09 1998-12-03 Silverbrook Research Pty Ltd Image creation method and apparatus (ART79)
US6958125B2 (en) * 1999-12-24 2005-10-25 Canon Kabushiki Kaisha Method for manufacturing liquid jet recording head
US6676250B1 (en) 2000-06-30 2004-01-13 Silverbrook Research Pty Ltd Ink supply assembly for a print engine
US7312255B2 (en) * 2001-03-05 2007-12-25 Chemetall Gmbh Water-based coating mixture, method for application of corrosion protection layer with said mixture, substrates coated thus and use thereof
JP4731763B2 (ja) 2001-09-12 2011-07-27 キヤノン株式会社 液体噴射記録ヘッドおよびその製造方法
CN1545451A (zh) * 2002-04-10 2004-11-10 ������������ʽ���� 液体排出头、液体排出装置以及制造液体排出头的方法
EP1499687A1 (de) * 2002-04-20 2005-01-26 Chemetall GmbH Gemisch zum aufbringen eines polymeren korrosionsbest ndigen elektrisch schweissbaren berzugs und verfahren zum herstel len dieses berzugs
US6773869B1 (en) 2003-04-24 2004-08-10 Lexmark International, Inc. Inkjet printhead nozzle plate
JP4500552B2 (ja) * 2004-01-09 2010-07-14 富士フイルム株式会社 インクジェットヘッド及びインクジェット記録装置
TWI239121B (en) * 2004-04-26 2005-09-01 Ind Tech Res Inst Antenna
JP4724484B2 (ja) * 2005-07-08 2011-07-13 キヤノン株式会社 記録ヘッドおよびインクジェット記録装置
JP5679665B2 (ja) * 2009-02-06 2015-03-04 キヤノン株式会社 インクジェット記録ヘッド
JP5371475B2 (ja) * 2009-02-17 2013-12-18 キヤノン株式会社 インクジェット記録ヘッド及びそのクリーニング方法
JP5596954B2 (ja) * 2009-10-08 2014-09-24 キヤノン株式会社 液体供給部材、液体供給部材の製造方法及び液体吐出ヘッドの製造方法
JP6964975B2 (ja) * 2016-01-08 2021-11-10 キヤノン株式会社 液体吐出ヘッドおよび液体吐出装置
US10179453B2 (en) 2016-01-08 2019-01-15 Canon Kabushiki Kaisha Liquid ejection head and liquid ejection apparatus
TW201924950A (zh) * 2017-11-27 2019-07-01 愛爾蘭商滿捷特科技公司 形成噴墨噴嘴腔室的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558333A (en) * 1981-07-09 1985-12-10 Canon Kabushiki Kaisha Liquid jet recording head
US4587534A (en) * 1983-01-28 1986-05-06 Canon Kabushiki Kaisha Liquid injection recording apparatus
JPS6189852A (ja) * 1984-10-09 1986-05-08 Canon Inc 液体噴射記録ヘツド
JPH0645242B2 (ja) * 1984-12-28 1994-06-15 キヤノン株式会社 液体噴射記録ヘツドの製造方法
JPH0698755B2 (ja) * 1986-04-28 1994-12-07 キヤノン株式会社 液体噴射記録ヘツドの製造方法

Also Published As

Publication number Publication date
EP0393855B1 (en) 1996-06-12
EP0393855A1 (en) 1990-10-24
DE69027363T2 (de) 1996-11-14
ATE139186T1 (de) 1996-06-15
DE69027363D1 (de) 1996-07-18
US5126768A (en) 1992-06-30

Similar Documents

Publication Publication Date Title
ES2087890T3 (es) Proceso para la fabricacion de un cabezal para la impresion por chorros de tinta.
ATE147014T1 (de) Herstellungsverfahren eines tintenstrahldruckkopfes
EP0491560A3 (en) Liquid discharging recording head and method for producing same
ATE220005T1 (de) Verfahren zur herstellung eines tintenstrahlkopfes, mit diesem verfahren hergestellter tintenstrahldruckkopf und tintenstrahlvorrichtung mit diesem druckkopf
GB8910961D0 (en) Method of forming a pattern on a surface
ATE196199T1 (de) Verfahren zur herstellung eines tintenstrahlaufzeichnungskopfes
GB8722085D0 (en) Ink jet nozzle manufacture
AU8253291A (en) Ink jet recording apparatus using thermal energy and recovery method therefor
DE60209490D1 (de) Herstellungsverfahren von tintenstrahlaufzeichnungsmedien
EP1087428A4 (en) METHOD FOR PRODUCING A SILICON LAYER AND INK JET COMPOSITION FOR INK RAY PRINTER
JPS55105560A (en) Photoengraving by laser
CA2345517A1 (en) Method and assembly for producing printing plates
DK0812697T3 (da) Registreringsmateriale til blækstråle-trykningsfremgangsmåden
CA2002903A1 (en) Raised image plate construction and method
ATE172672T1 (de) Tintenstrahlkopfherstellungsverfahren, nach dem verfahren hergestellter tintenstrahlkopf und tintenstrahlgerät damit versehen
AU581987B2 (en) Method for producing a spinning nozzle plate
JPS57129770A (en) Serial impact printer
EP0368089A3 (en) Method of manufacturing a mask for lithographic patterning
DE69707039D1 (de) Vorrichtung zur Herstellung von Stempeln
DE59402310D1 (de) Vorrichtung zur Herstellung einer Siebdruckschablone
ITFI910202A1 (it) Metodo e dispositivo per la verniciatura offset
JPH03128248A (ja) キートップ印字装置
JPS6416696A (en) Optical card
JPS6117393A (ja) レ−ザ印字装置
JPS5757672A (en) Ink jet print head

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 393855

Country of ref document: ES