JP2009001003A - インクジェットプリントヘッドの製造方法 - Google Patents
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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
- B41J2/015—Ink jet characterised by the jet generation process
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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
- B41J2/16—Production of nozzles
- B41J2/1601—Production of bubble jet print heads
- B41J2/1603—Production of bubble jet print heads of the front shooter type
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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
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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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1626—Manufacturing processes etching
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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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1631—Manufacturing processes photolithography
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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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1637—Manufacturing processes molding
- B41J2/1639—Manufacturing processes molding sacrificial molding
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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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/164—Manufacturing processes thin film formation
- B41J2/1642—Manufacturing processes thin film formation thin film formation by CVD [chemical vapor deposition]
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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
- B41J2/16—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49126—Assembling bases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49128—Assembling formed circuit to base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49165—Manufacturing circuit on or in base by forming conductive walled aperture in base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49401—Fluid pattern dispersing device making, e.g., ink jet
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Abstract
【解決手段】基板10上に低速光硬化物質でチャンバー層16を形成する工程と、チャンバー層を選択的に露光することによりチャンバー層のインク流路16aを限定する壁となる領域16bを硬化させる工程と、チャンバー層上に低速光硬化物質よりも光反応の速い高速光硬化物質でノズル層17を形成する工程と、ノズル層を選択的に露光することによりノズル層のノズル17a以外の領域を硬化させる工程と、チャンバー層及びノズル層の非露光領域を現像により除去してインク流路及びノズルを形成する工程とを含むようにした。
【選択図】図4
Description
11 絶縁層
12 ヒーター層
12a 発熱領域
13 導線層
14 保護層
15 キャビテーション防止層
16 チャンバー層
16a インクチャンバー
16b チャンバー壁
17 ノズル層
17a ノズル
18 インク供給口
21、22 フォトマスク
21a、22a 流路パターン
Claims (20)
- 基板上に低速光硬化物質でチャンバー層を形成する工程と、
前記チャンバー層を選択的に露光することにより、前記チャンバー層のインク流路を限定する壁となる領域を硬化させる工程と、
前記チャンバー層上に、前記低速光硬化物質よりも光反応の速い高速光硬化物質でノズル層を形成する工程と、
前記ノズル層を選択的に露光することにより、前記ノズル層のノズル以外の領域を硬化させる工程と、
前記チャンバー層及び前記ノズル層の非露光領域を現像により除去して、前記インク流路及び前記ノズルを形成する工程と、
を含むことを特徴とするインクジェットプリントヘッドの製造方法。 - 前記チャンバー層は、液状の前記低速光硬化物質を用いてスピンコーティング方式により形成され、
前記ノズル層は、固体薄膜の前記高速光硬化物質を前記チャンバー層の上に付着することにより形成されることを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。 - 前記低速光硬化物質は、1μmの厚さが感光されるのに100〜400mJ/cm2の露光を要するようにする光感応剤を含み、
前記高速光硬化物質は、1μmの厚さが感光されるのに8〜23mJ/cm2の露光を要するようにする光感応剤を含むことを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。 - 前記低速光硬化物質は、感光性ポリイミド、感光性ポリアミドまたは感光性エポキシのいずれか一つを含む液状の物質であり、
前記高速光硬化物質は、感光性ポリイミド、感光性ポリアミドまたは感光性エポキシのいずれか一つを含む固状の物質であり、
前記低速光硬化物質と前記高速光硬化物質は、光感応剤の含量が異なることを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。 - 前記基板の背面側をエッチングしてインク供給口を形成する工程をさらに含むことを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。
- 前記基板上に絶縁層を形成する工程と、
前記絶縁層上にヒーター層及び導線層を形成する工程と
前記ヒーター層と前記導線層を保護する保護層を形成する工程とをさらに含むことを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。 - 前記低速光硬化物質は、第1厚さを有する前記低速光硬化物質が感光されるために必要な露光量が第1露光量となるように第1光感応剤を含み、
前記高速光硬化物質は、第2厚さを有する前記高速光硬化物質が感光されるために必要な露光量が前記第1露光量よりも小さい第2露光量となるように第2光感応剤を含むことを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。 - 前記第1厚さと前記第2厚さは、実質的に同一であることを特徴とする請求項7に記載のインクジェットプリントヘッドの製造方法。
- 前記低速光硬化物質は、第1厚さを有する前記低速光硬化物質が感光されるのに第1エネルギーの供給を要し、
前記高速光硬化物質は、第2厚さを有する前記高速光硬化物質が感光されるのに前記第1エネルギーよりも小さい第2エネルギーの供給を要することを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。 - 前記第1厚さと前記第2厚さは、実質的に同一であることを特徴とする請求項9に記載のインクジェットプリントヘッドの製造方法。
- 前記インク流路及び前記ノズルは、前記チャンバー層上に犠牲層を形成することなく形成されることを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。
- 前記チャンバー層の選択的な露光と前記ノズル層の選択的な露光は、前記低速光硬化物質及び前記高速光硬化物質がそれぞれ有する特性により、互いの光反応が干渉されないように保護されることを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。
- 前記チャンバー層の光反応は、前記ノズル層が露光されるときには起こらないことを特徴とする請求項1に記載のインクジェットプリントヘッドの製造方法。
- 基板上に低速光硬化物質でチャンバー層を形成する工程と、
前記チャンバー層上に、前記低速光硬化物質よりも光反応の速い高速光硬化物質でノズル層を形成する工程と、
前記チャンバー層にインク流路を形成し、前記ノズル層にノズルを形成する工程と、
を含むことを特徴とするインクジェットプリントヘッドの製造方法。 - 前記チャンバー層を選択的に露光することにより、前記チャンバー層のインク流路を限定する壁となる領域を硬化させる工程をさらに含むことを特徴とする請求項14に記載のインクジェットプリントヘッドの製造方法。
- 前記インク流路の形成は、前記チャンバー層を現像して前記インク流路となる非露光領域を除去する工程を含むことを特徴とする請求項15に記載のインクジェットプリントヘッドの製造方法。
- 前記ノズル層を選択的に露光することにより、前記ノズル層のノズル以外の領域を硬化させる工程をさらに含むことを特徴とする請求項14に記載のインクジェットプリントヘッドの製造方法。
- 前記ノズルの形成は、前記ノズル層を現像して前記ノズルとなる非露光領域を除去する工程を含むことを特徴とする請求項17に記載のインクジェットプリントヘッドの製造方法。
- 前記インク流路は、前記チャンバー層上に犠牲層を形成することなく且つ犠牲層の表面を研磨することなく形成されることを特徴とする請求項14に記載のインクジェットプリントヘッドの製造方法。
- 前記チャンバー層を選択的に露光することにより、前記チャンバー層のインク流路を限定する壁となる領域を硬化させる工程と、
前記ノズル層を選択的に露光することにより、前記ノズル層のノズル以外の領域を硬化させる工程とをさらに含み、
前記チャンバー層の選択的な露光または前記ノズル層の選択的な露光のいずれか一方は、前記チャンバー層の選択的な露光または前記ノズル層の選択的な露光のいずれか他方による光反応に干渉しないことを特徴とする請求項14に記載のインクジェットプリントヘッドの製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0061066 | 2007-06-21 | ||
| KR1020070061066A KR101155989B1 (ko) | 2007-06-21 | 2007-06-21 | 잉크젯 프린트헤드의 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| JP2009001003A true JP2009001003A (ja) | 2009-01-08 |
| JP4729730B2 JP4729730B2 (ja) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2008102817A Expired - Fee Related JP4729730B2 (ja) | 2007-06-21 | 2008-04-10 | インクジェットプリントヘッドの製造方法 |
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| Country | Link |
|---|---|
| US (1) | US7856717B2 (ja) |
| JP (1) | JP4729730B2 (ja) |
| KR (1) | KR101155989B1 (ja) |
| CN (1) | CN101327684B (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3001248A1 (en) | 2014-09-25 | 2016-03-30 | Canon Kabushiki Kaisha | Production process for optically shaped product and production process for liquid discharge head |
| US10265960B2 (en) | 2017-04-25 | 2019-04-23 | Canon Kabushiki Kaisha | Method for manufacturing liquid ejection head |
| US10363740B2 (en) | 2017-01-17 | 2019-07-30 | Canon Kabushiki Kaisha | Liquid ejection head and method for manufacturing the same |
| US10457049B2 (en) | 2017-02-24 | 2019-10-29 | Canon Kabushiki Kaisha | Method for manufacturing liquid ejection head and liquid ejection head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072378B (zh) * | 2011-10-25 | 2015-07-01 | 珠海赛纳打印科技股份有限公司 | 一种液体喷头及其制造方法 |
| CN103252997B (zh) * | 2012-02-16 | 2015-12-16 | 珠海纳思达珠海赛纳打印科技股份有限公司 | 一种液体喷头及其制造方法 |
| US9240767B2 (en) * | 2012-05-31 | 2016-01-19 | Texas Instruments Incorporated | Temperature-controlled integrated piezoelectric resonator apparatus |
| US9855566B1 (en) * | 2016-10-17 | 2018-01-02 | Funai Electric Co., Ltd. | Fluid ejection head and process for making a fluid ejection head structure |
| JP7651334B2 (ja) * | 2021-03-22 | 2025-03-26 | キヤノン株式会社 | 液体吐出ヘッド用基板の製造方法 |
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| JP2004082731A (ja) * | 2002-08-26 | 2004-03-18 | Samsung Electronics Co Ltd | インクジェットプリントヘッド及びその製造方法 |
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| US6179978B1 (en) * | 1999-02-12 | 2001-01-30 | Eastman Kodak Company | Mandrel for forming a nozzle plate having a non-wetting surface of uniform thickness and an orifice wall of tapered contour, and method of making the mandrel |
| KR100537396B1 (ko) * | 1999-12-13 | 2005-12-19 | 후지 샤신 필름 가부시기가이샤 | 잉크젯 헤드 및 그 제조 방법 |
| US20020118253A1 (en) * | 2000-03-21 | 2002-08-29 | Nec Corporation | Ink jet head having improved pressure chamber and its manufacturing method |
| KR100555917B1 (ko) * | 2003-12-26 | 2006-03-03 | 삼성전자주식회사 | 잉크젯 프린트 헤드 및 잉크젯 프린트 헤드의 제조방법 |
| KR100517515B1 (ko) | 2004-01-20 | 2005-09-28 | 삼성전자주식회사 | 모놀리틱 잉크젯 프린트헤드의 제조방법 |
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2007
- 2007-06-21 KR KR1020070061066A patent/KR101155989B1/ko not_active Expired - Fee Related
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2008
- 2008-02-19 US US12/033,222 patent/US7856717B2/en not_active Expired - Fee Related
- 2008-03-14 CN CN200810085041XA patent/CN101327684B/zh not_active Expired - Fee Related
- 2008-04-10 JP JP2008102817A patent/JP4729730B2/ja not_active Expired - Fee Related
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| JPH05124205A (ja) * | 1991-10-31 | 1993-05-21 | Canon Inc | 液体噴射記録ヘツド、その製造方法、及び同ヘツドを具備した記録装置 |
| JPH11314371A (ja) * | 1998-03-02 | 1999-11-16 | Hewlett Packard Co <Hp> | 直接作像用ポリマ流体ジェット・オリフィス |
| JP2003145780A (ja) * | 2001-11-05 | 2003-05-21 | Samsung Electronics Co Ltd | インクジェットプリントヘッドの製造方法 |
| JP2004074804A (ja) * | 2002-08-20 | 2004-03-11 | Samsung Electronics Co Ltd | インクジェットプリントヘッド及びその製造方法 |
| JP2004082731A (ja) * | 2002-08-26 | 2004-03-18 | Samsung Electronics Co Ltd | インクジェットプリントヘッド及びその製造方法 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3001248A1 (en) | 2014-09-25 | 2016-03-30 | Canon Kabushiki Kaisha | Production process for optically shaped product and production process for liquid discharge head |
| US9599893B2 (en) | 2014-09-25 | 2017-03-21 | Canon Kabushiki Kaisha | Production process for optically shaped product and production process for liquid discharge head |
| US10363740B2 (en) | 2017-01-17 | 2019-07-30 | Canon Kabushiki Kaisha | Liquid ejection head and method for manufacturing the same |
| US10457049B2 (en) | 2017-02-24 | 2019-10-29 | Canon Kabushiki Kaisha | Method for manufacturing liquid ejection head and liquid ejection head |
| US10265960B2 (en) | 2017-04-25 | 2019-04-23 | Canon Kabushiki Kaisha | Method for manufacturing liquid ejection head |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080112540A (ko) | 2008-12-26 |
| KR101155989B1 (ko) | 2012-06-18 |
| US20080313900A1 (en) | 2008-12-25 |
| CN101327684B (zh) | 2011-06-01 |
| JP4729730B2 (ja) | 2011-07-20 |
| US7856717B2 (en) | 2010-12-28 |
| CN101327684A (zh) | 2008-12-24 |
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