JP4473314B2 - 印刷ヘッド、プリンタ、および印刷する方法 - Google Patents
印刷ヘッド、プリンタ、および印刷する方法 Download PDFInfo
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Description
本発明の出願人または譲受人によって出願された以下の特許または特許出願は、相互参照によって本明細書に組み込まれる。
一部の出願は事件整理番号によって掲載されている。これらの番号は、出願番号が分かったときにそれらに置き換えられる。
本発明は、インクジェットプリンタの分野に関し、マイクロエレクトロメカニカルシステム(MEMS)技法を用いて製造された印刷ヘッドを使用するインクジェット印刷システムを開示する。
論文「Non−Impact Printing:Introduction and Historical Perspective」、著作:J Moore、Output Hard Copy Devices、R DubeckおよびS Sherr編、207〜220ページ(1988)
印刷媒体上にインク小滴を放出するための複数のノズルを含む基板であって、前記ノズルがそれぞれ、前記基板のインク放出面に画定されたノズル開口を有する基板と、
少なくとも1つの隣接するノズルからそれぞれのノズルを分離するように構成された前記インク放出面上の複数の表面形成物と
を備えた印刷ヘッドが提供される。
(a)印刷媒体上にインク小滴を放出するための複数のノズルを含む基板であって、前記ノズルがそれぞれ、前記基板のインク放出面に画定されたノズル開口を有する基板と、
少なくとも1つの隣接するノズルからそれぞれのノズルを分離するように構成された前記インク放出面上の複数の表面形成物と
を備えた印刷ヘッドを提供するステップと、
(b)前記印刷ヘッドを使用して印刷媒体上に印刷するステップと
を含む方法が提供される。
(a)印刷媒体上にインク小滴を放出するための複数のノズルを含む基板を提供するステップであって、前記ノズルがそれぞれ、前記基板のインク放出面に画定されたノズル開口を有するステップと、
(b)前記インク放出面の上にフォトレジストの層を付着させるステップと、
(c)それぞれのノズル開口を取り囲む前記インク放出面の部分をそれぞれが露出させる凹みを、前記フォトレジストの中に画定するステップと、
(d)前記フォトレジストの上および前記凹みの中にルーフ材料を付着させるステップと、
(e)それぞれのノズル開口の周囲にノズルエンクロージャを画定するために前記ルーフ材料をエッチングするステップであって、それぞれのノズルエンクロージャが、ルーフの中に画定された開口部と、前記ルーフから前記インク放出面まで延びる側壁とを有するステップと、
(f)前記フォトレジストを除去するステップと
を含む方法が提供される。
図1から4を参照すると、出願人の複数の印刷ヘッドのうちの1つのヘッドの単位セル1が示されている。単位セル1は、その中にノズル3を有するノズルプレート2を備え、これらのノズルは、ノズルリム4と、ノズルプレートを貫いて延びる開口5とを有する。ノズルプレート2は、後にエッチングによって除去される犠牲材料の上に化学蒸着(CVD)によって付着させた窒化シリコン構造物からプラズマエッチングによって形成されたものである。
図6を参照すると、本発明に基づく単位セル1の一実施形態が示されている。開口5は、印刷ヘッド上の隣接する開口を分離するノズルエンクロージャ60によって取り囲まれている。ノズルエンクロージャ60は、ルーフ61と側壁62とを有し、側壁62は、ルーフからノズルプレート2まで延び、ノズルプレート2との間にシールを形成する。ルーフ61には、インク小滴(図示せず)がノズルエンクロージャを通過して印刷媒体(図示せず)上に達することを可能にする開口部63が画定されている。
簡潔にするため、製造段階は、図6の単位セルに対するものだけを示した(図7から20を参照されたい)。他の単位セルは、異なるマスキングを用いる同じ製造段階を使用することが理解される。
これまで、気泡形成ヒータエレメントを使用した印刷ヘッドに関して本発明を説明してきた。しかし、本発明は潜在的に、以下のものを含む広範囲の印刷システムに適している:カラーおよびモノクロオフィスプリンタ、ショートラン(short run)デジタルプリンタ、高速デジタルプリンタ、オフセット印刷機サプリメンタルプリンタ、低コストスキャニングプリンタ、高速ページ幅プリンタ、内蔵ページ幅プリンタを備えたノートブックコンピュータ、携帯型カラーおよびモノクロプリンタ、カラーおよびモノクロ複写機、カラーおよびモノクロファクシミリ機、複合型プリンタ、ファクシミリ/複写機、ラベルプリンタ、ラージフォーマットプロッタ、写真複写機、デジタル写真「minilabs」用プリンタ、ビデオプリンタ、PHOTO CD(PHOTO CDはEastman Kodak Company社の登録商標である)プリンタ、PDA用携帯型プリンタ、壁紙用プリンタ、屋内標識用プリンタ、広告板用プリンタ、布地用プリンタ、カメラプリンタおよびフォールトトレラント商用プリンタアレイ。
本発明の実施形態は、インクジェットプリンタ型装置を使用する。もちろん、別の多くの装置を使用することもできる。しかし、現在普及しているインクジェット印刷技術は適していそうにない。
低電力(10ワット未満)
高解像度(1,600dpi以上)
写真品質の出力
低製造コスト
小サイズ(ページ幅×最小断面積)
高速(<2秒/ページ)
個々のインクジェットノズルの基本動作の重要な11の特性が識別された。これらの特性は主としてオーソゴナル(orthogonal)であり、そのため、11次元マトリックスとして説明することができる。このマトリックスの11軸の大部分は、本発明の譲受人によって開発された記入項目を含む。
アクチュエータ機構(18タイプ)
基本動作モード(7タイプ)
補助機構(8タイプ)
アクチュエータの増幅または修正法(17タイプ)
アクチュエータモーション(19タイプ)
ノズル補充法(4タイプ)
入口からの逆流を制限する方法(10タイプ)
ノズルクリアリング法(9タイプ)
ノズルプレートの構造(9タイプ)
滴放出方向(5タイプ)
インクタイプ(7タイプ)
Claims (6)
- 印刷媒体上にインク小滴を放出するための複数のノズルを含む基板であって、前記ノズルがそれぞれ、インク小滴を放出するためのアクチュエータとノズル開口とを有するノズルチャンバを備え、前記ノズル開口は前記基板のインク放出面に画定されている、当該基板と、
少なくとも1つの隣接するノズルからそれぞれのノズルを分離するように構成された前記インク放出面上の複数の表面形成物と、
を備え、
前記複数の表面形成物が、互いに間隔をあけて前記インク放出面上に配置された複数のキャップとして構成されており、
それぞれの前記キャップが、前記それぞれのノズル開口から間隔をあけて配置されたルーフと、それぞれのルーフの周囲領域から前記インク放出面まで延びて前記インク放出面との間にシールを形成する側壁と、を含み、
前記ルーフが、前記それぞれのノズル開口と整列したルーフ開口部を有し、それによって前記ルーフは、放出されたインク小滴が、前記ルーフ開口部を通過して前記印刷媒体上に達することを可能にする、印刷ヘッド。 - 前記表面形成物の各々が疎水性面を有する、請求項1に記載の印刷ヘッド。
- 前記印刷ヘッドは、ページ幅インクジェット印刷ヘッドである、請求項1に記載の印刷ヘッド。
- 前記印刷ヘッドが、最高1600dpiで印刷するのに十分なノズル密度を有する、請求項1に記載の印刷ヘッド。
- 請求項1に記載の印刷ヘッドを備えたプリンタ。
- 隣接するノズル間のインクの交差汚染を最小限に抑えながら、請求項1に記載の印刷ヘッドから印刷する方法であって、
(a)請求項1に記載の印刷ヘッドを提供するステップと、
(b)前記印刷ヘッドを使用して印刷媒体上に印刷するステップと、
を含む方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/AU2005/000392 WO2006099652A1 (en) | 2005-03-21 | 2005-03-21 | Inkjet printhead having isolated nozzles |
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JP2008529848A JP2008529848A (ja) | 2008-08-07 |
JP4473314B2 true JP4473314B2 (ja) | 2010-06-02 |
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JP2007555422A Expired - Fee Related JP4473314B2 (ja) | 2005-03-21 | 2005-03-21 | 印刷ヘッド、プリンタ、および印刷する方法 |
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EP (1) | EP1861256A4 (ja) |
JP (1) | JP4473314B2 (ja) |
KR (1) | KR100973614B1 (ja) |
AU (1) | AU2005329726B2 (ja) |
CA (1) | CA2592267C (ja) |
WO (1) | WO2006099652A1 (ja) |
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JP5205396B2 (ja) * | 2007-03-12 | 2013-06-05 | ザムテック・リミテッド | 疎水性のインク噴射面を有する印刷ヘッドを製造する方法 |
KR20220012442A (ko) | 2020-07-22 | 2022-02-04 | 삼성디스플레이 주식회사 | 잉크젯 프린트 장치 및 이를 이용한 잉크젯 프린트 방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4528577A (en) * | 1982-11-23 | 1985-07-09 | Hewlett-Packard Co. | Ink jet orifice plate having integral separators |
US4578687A (en) * | 1984-03-09 | 1986-03-25 | Hewlett Packard Company | Ink jet printhead having hydraulically separated orifices |
JP4199881B2 (ja) * | 1999-07-02 | 2008-12-24 | セーレン株式会社 | インクジェット噴射ヘッド及びインクジェット記録装置 |
US6523938B1 (en) * | 2000-01-17 | 2003-02-25 | Hewlett-Packard Company | Printer orifice plate with mutually planarized ink flow barriers |
US20030143492A1 (en) * | 2002-01-31 | 2003-07-31 | Scitex Digital Printing, Inc. | Mandrel with controlled release layer for multi-layer electroformed ink jet orifice plates |
US6951622B2 (en) * | 2002-08-08 | 2005-10-04 | Industrial Technology Research Institute | Method for fabricating an integrated nozzle plate and multi-level micro-fluidic devices fabricated |
JP2004268359A (ja) * | 2003-03-07 | 2004-09-30 | Hitachi Printing Solutions Ltd | インクジェットヘッド及びその製造方法 |
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2005
- 2005-03-21 KR KR1020077024048A patent/KR100973614B1/ko active IP Right Grant
- 2005-03-21 CA CA2592267A patent/CA2592267C/en not_active Expired - Fee Related
- 2005-03-21 EP EP05714264A patent/EP1861256A4/en not_active Withdrawn
- 2005-03-21 WO PCT/AU2005/000392 patent/WO2006099652A1/en not_active Application Discontinuation
- 2005-03-21 JP JP2007555422A patent/JP4473314B2/ja not_active Expired - Fee Related
- 2005-03-21 AU AU2005329726A patent/AU2005329726B2/en not_active Ceased
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EP1861256A1 (en) | 2007-12-05 |
JP2008529848A (ja) | 2008-08-07 |
CA2592267C (en) | 2011-12-20 |
AU2005329726A1 (en) | 2006-09-28 |
KR100973614B1 (ko) | 2010-08-02 |
AU2005329726B2 (en) | 2009-05-07 |
KR20070110449A (ko) | 2007-11-16 |
WO2006099652A1 (en) | 2006-09-28 |
EP1861256A4 (en) | 2013-03-20 |
CA2592267A1 (en) | 2006-09-28 |
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