JP7005376B2 - 素子基板、記録ヘッド、及び記録装置 - Google Patents
素子基板、記録ヘッド、及び記録装置 Download PDFInfo
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- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04528—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at warming up the head
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- B41J2/04541—Specific driving circuit
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- B41J2/05—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers produced by the application of heat
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B41J2/14072—Electrical connections, e.g. details on electrodes, connecting the chip to the outside...
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B41J2/1408—Structure dealing with thermal variations, e.g. cooling device, thermal coefficients of materials
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- 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
- B41J2/14427—Structure of ink jet print heads with thermal bend detached actuators
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- 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
- B41J2/145—Arrangement thereof
- B41J2/155—Arrangement thereof for line printing
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- B41J25/34—Bodily-changeable print heads or carriages
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- 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
- B41J2002/14491—Electrical connection
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- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/13—Heads having an integrated circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
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Description
複数の記録素子が配列されて形成され、記録に寄与しないダミーの素子を含む素子列と、
前記複数の記録素子および前記ダミーの素子をそれぞれを駆動する複数の回路と、を有し、
前記複数の回路のうち、前記ダミーの素子を駆動する回路の面積は、前記記録素子を駆動する回路の面積より小さいことを特徴としても良い。
図1はフルラインのインクジェット記録ヘッド(以下、記録ヘッド)11K、11C、11M、11Yと常に安定したインク吐出を保証するための回復系ユニットを備えた記録装置1の構造を説明するための斜視透視図である。
次に、図1を用いて説明した記録装置の記録制御を実行するための制御構成について説明する。
図5は実施例1の変形例1に従う素子基板のレイアウト構成を示す図である。
図6は実施例1の変形例2に従う素子基板のレイアウト構成を示す図である。
図9は実施例2の変形例1に従う素子基板のレイアウト構成を示す図である。
図10は実施例2の変形例2に従う素子基板のレイアウト構成を示す図である。
101 ヒータ、102 配線、103 MOSトランジスタ、104 選択回路、
105 供給口、201 ダミーヒータ、202 配線、
203 MOSトランジスタ、204 選択回路、205 供給口、
301 タイミング調整回路
Claims (25)
- 多層構造の素子基板であって、
複数の記録素子が配列されて形成され、記録に寄与しないダミーの素子を含む素子列と、
前記素子列を形成する前記複数の記録素子の駆動に関わる第1の回路と、を有し、
前記ダミーの素子と前記第1の回路とは、前記素子基板を平面視した際に少なくとも一部が互いに重複する位置に設けられることを特徴とする素子基板。 - 前記ダミーの素子は前記素子列の端部に配置されることを特徴とする請求項1に記載の素子基板。
- 前記複数の記録素子それぞれを駆動する複数の第2の回路をさらに有し、
前記第1の回路は前記複数の第2の回路に前記記録素子を駆動するために用いられデータ信号とクロック信号を供給することを特徴とする請求項1又は2に記載の素子基板。 - 前記複数の第2の回路それぞれは、MOSトランジスタと前記MOSトランジスタを選択する選択回路とを含むことを特徴とする請求項3に記載の素子基板。
- 前記MOSトランジスタと前記記録素子とは、前記素子基板を平面視した際に少なくとも一部が互いに重複する位置に設けられることを特徴とする請求項4に記載の素子基板。
- 前記複数の記録素子に対応してインクを流すための複数の第1の開口と、
前記複数の記録素子それぞれと前記MOSトランジスタとを接続する配線とをさらに有することを特徴とする請求項4又は5に記載の素子基板。 - 前記配線は、前記複数の記録素子とは異なる層に設けられることを特徴とする請求項6に記載の素子基板。
- 前記複数の第1の開口とは前記複数の記録素子を挟み、前記MOSトランジスタと前記複数の記録素子との間に設けられ、前記複数の記録素子に対応してインクを流すための複数の第2の開口をさらに有し、
前記配線は、前記複数の第2の開口それぞれを迂回して配置されることを特徴とする請求項6に記載の素子基板。 - 前記第1の回路は、前記選択回路に対して前記データ信号と前記クロック信号を転送するためのタイミングを調整する回路であることを特徴とする請求項4乃至8のいずれか1項に記載の素子基板。
- 前記第1の回路は、前記複数の記録素子を駆動するためのデータ信号を展開するデコーダであることを特徴とする請求項1又は2に記載の素子基板。
- 前記素子列は前記素子列における両端部にそれぞれ前記ダミーの素子を含み、
一方の端部の前記ダミーの素子と重複する前記第1の回路と、他方の端部の前記ダミーの素子と重複する前記第1の回路とは、機能が異なることを特徴とする請求項1乃至10のいずれか1項に記載の素子基板。 - 前記素子基板を平面視した際に前記素子列の方向と交差する方向に延びる前記素子基板の外形を構成する辺を備えることを特徴とする請求項1乃至11のいずれか1項に記載の素子基板。
- 前記第1の回路は、前記辺に沿った部分が階段状の形状をしていることを特徴とする請求項12に記載の素子基板。
- 多層構造の素子基板であって、
複数の記録素子が配列されて形成され、記録に寄与しないダミーの素子を含む素子列と、
前記複数の記録素子および前記ダミーの素子をそれぞれを駆動する複数の回路と、を有し、
前記複数の回路のうち、前記ダミーの素子を駆動する回路の面積は、前記記録素子を駆動する回路の面積より小さいことを特徴とする素子基板。 - 前記ダミーの素子を駆動する回路の面積は、前記素子列の方向と該方向とは直交する方向のうちのいずれかの方向のサイズを縮小することにより、前記記録素子を駆動する回路の面積より小さくすることを特徴とする請求項14に記載の素子基板。
- 前記複数の回路それぞれは、MOSトランジスタと前記MOSトランジスタを選択する選択回路とを含むことを特徴とする請求項14又は15に記載の素子基板。
- 前記複数の記録素子と前記複数の記録素子それぞれを駆動する前記MOSトランジスタとは、前記素子基板を平面視した際に少なくとも一部が互いに重複する位置に設けられ、
前記ダミーの素子と前記ダミーの素子を駆動する前記MOSトランジスタとは、前記素子基板を平面視した際に少なくとも一部が互いに重複する位置に設けられることを特徴とする請求項16に記載の素子基板。 - 前記MOSトランジスタと、前記複数の記録素子又は前記ダミーの素子との間に設けられ、前記複数の記録素子又は前記ダミーの素子に対応してインクを流すための複数の開口と、
前記複数の記録素子および前記ダミーの素子それぞれと前記MOSトランジスタとを接続する配線とをさらに有し、
前記配線は、前記複数の開口それぞれを迂回して配置されることを特徴とする請求項16又は17に記載の素子基板。 - 前記ダミーの素子は前記素子列の端部に配置されることを特徴とする請求項14乃至18のいずれか1項に記載の素子基板。
- 前記素子基板を平面視した際に前記素子列の方向と交差する方向に延びる前記素子基板の外形を構成する辺を備えることを特徴とする請求項14乃至19のいずれか1項に記載の素子基板。
- 前記素子基板の外形は、平行四辺形、台形、矩形のうちのいずれかの形状をしていることを特徴とする請求項1乃至20のいずれか1項に記載の素子基板。
- 互いの列に沿って設けられた複数の前記素子列と、
複数の前記素子列に対応する複数の前記第1の回路と、
複数の前記第1の回路を接続する配線と、を有することを特徴とする請求項1乃至13のいずれか1項に記載の素子基板。 - 請求項1乃至22のいずれか1項に記載の素子基板を複数、前記素子列の方向に一列に並べて配置し、前記記録素子を駆動することによりインクを吐出する記録ヘッド。
- 前記記録ヘッドは記録媒体の幅に相当する記録幅をもつフルライン記録ヘッドであることを特徴とする請求項23に記載の記録ヘッド。
- 請求項23又は24に記載の記録ヘッドを用いて、インクを記録媒体に吐出して画像を記録する記録装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018025352A JP7005376B2 (ja) | 2018-02-15 | 2018-02-15 | 素子基板、記録ヘッド、及び記録装置 |
| US16/266,833 US11141975B2 (en) | 2018-02-15 | 2019-02-04 | Multilayer structured element substrate, printhead, and printing apparatus |
| CN201910110474.4A CN110154537B (zh) | 2018-02-15 | 2019-02-12 | 多层构造的元件基板、打印头和打印装置 |
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| Publication number | Publication date |
|---|---|
| CN110154537B (zh) | 2021-12-10 |
| JP2019142000A (ja) | 2019-08-29 |
| CN110154537A (zh) | 2019-08-23 |
| US11141975B2 (en) | 2021-10-12 |
| US20190248133A1 (en) | 2019-08-15 |
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