JP7336286B2 - 素子基板、液体吐出ヘッド、及び記録装置 - Google Patents
素子基板、液体吐出ヘッド、及び記録装置 Download PDFInfo
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- JP7336286B2 JP7336286B2 JP2019131396A JP2019131396A JP7336286B2 JP 7336286 B2 JP7336286 B2 JP 7336286B2 JP 2019131396 A JP2019131396 A JP 2019131396A JP 2019131396 A JP2019131396 A JP 2019131396A JP 7336286 B2 JP7336286 B2 JP 7336286B2
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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
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14153—Structures including a sensor
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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
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14088—Structure of heating means
- B41J2/14112—Resistive element
- B41J2/14129—Layer structure
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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
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- 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
- B41J2/0451—Control methods or devices therefor, e.g. driver circuits, control circuits for detecting failure, e.g. clogging, malfunctioning actuator
-
- 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
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- 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
- B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink temperature
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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
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- 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
- B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
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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
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- 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
- B41J2/04585—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on thermal bent actuators
-
- 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
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- 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
- B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
-
- 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
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- 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
-
- 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
- B41J2/14016—Structure of bubble jet print heads
-
- 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
-
- 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
- B41J2002/14354—Sensor in each pressure chamber
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Description
図1は本発明の代表的な実施例であるインクジェット記録ヘッド(以下、記録ヘッド)を用いて記録を行なう記録装置の構成の概要を示す外観斜視図である。
図3は記録ヘッドの1つの記録素子(ノズル)に着目して、その駆動構成を説明するブロック図である。
100 素子基板、102 電気熱変換素子、104 発熱抵抗体層、105 配線層、
106 保護層、107 上部保護層、108 温度検知層、109 付着インク液滴、
111 供給口、112 断熱層、121 吐出口、132 温度検知素子、
200 液室形成部材、300 液室
Claims (12)
- 多層構造である素子基板であって、
液体を吐出するために発熱する第1の電気熱変換素子と、
前記第1の電気熱変換素子の近傍に配置される少なくとも1つの温度検知素子と、
前記少なくとも1つの温度検知素子による温度検知動作に関連して発熱する第2の電気熱変換素子と、を有し、
前記第2の電気熱変換素子の下層に前記温度検知素子が形成され、前記第1の電気熱変換素子の下層に前記温度検知素子とは別の温度検知素子が形成される
ことを特徴とする素子基板。 - 前記第1の電気熱変換素子への電力の供給を制御するための第1の駆動回路と、
前記第2の電気熱変換素子への電力の供給を制御するための第2の駆動回路と、をさらに有し、
前記第1の駆動回路と前記第2の駆動回路とは互いに独立に駆動できることを特徴とする請求項1に記載の素子基板。 - 前記第1の電気熱変換素子は、複数、備えられ、
前記素子基板を平面視した際に、複数の前記第1の電気熱変換素子それぞれを挟むように、少なくとも2つの前記温度検知素子が配置されることを特徴とする請求項1または請求項2に記載の素子基板。 - 複数の前記第1の電気熱変換素子が配置される方向に、前記少なくとも2つの温度検知素子が配置されることを特徴とする請求項3に記載の素子基板。
- 複数の前記第1の電気熱変換素子が配置される方向とは直交する方向に、前記少なくとも2つの温度検知素子が配置されることを特徴とする請求項3に記載の素子基板。
- 複数の前記第1の電気熱変換素子が配置される方向と、複数の前記第1の電気熱変換素子が配置される方向とは直交する方向のそれぞれに、前記少なくとも2つの温度検知素子が配置されることを特徴とする請求項3に記載の素子基板。
- 複数の前記第1の電気熱変換素子それぞれの近傍の3つの方向それぞれに温度検知素子を配置することを特徴とする請求項3に記載の素子基板。
- 請求項1乃至7のいずれか1項に記載の素子基板を用いた液体吐出ヘッドであって、
複数の前記第1の電気熱変換素子に対応して、液体を吐出する複数の吐出口を備えることを特徴とする液体吐出ヘッド。 - 前記第1の電気熱変換素子よって発生する熱により液体を加熱し発泡させることで、前記複数の吐出口から液体を吐出し、
前記第2の電気熱変換素子によって発生する熱により前記液体が発泡しない程度に加熱することを特徴とする請求項8に記載の液体吐出ヘッド。 - 請求項8又は9に記載の液体吐出ヘッドを、前記液体をインクとし、該インクを吐出する記録ヘッドとして用い、記録媒体に記録を行う記録装置であって、
前記第1の電気熱変換素子を駆動してインク吐出動作を行わせるとともに、前記温度検知素子による温度検知の結果に基づいてインクの吐出状態の検出を行う制御手段を有することを特徴とする記録装置。 - 前記制御手段は、前記温度検知素子により出力される検出温度の時間変化に基づいて前記インクの吐出状態の検出を行うことを特徴とする請求項10に記載の記録装置。
- 前記制御手段は、少なくとも2つの前記温度検知素子それぞれが出力する検出温度の時間変化を比較することにより、インク吐出にヨレが発生しているかどうかを判定することを特徴とする請求項10又は11に記載の記録装置。
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JP2019131396A JP7336286B2 (ja) | 2019-07-16 | 2019-07-16 | 素子基板、液体吐出ヘッド、及び記録装置 |
US16/928,366 US11498333B2 (en) | 2019-07-16 | 2020-07-14 | Element substrate, liquid discharge head, and printing apparatus |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006168042A (ja) | 2004-12-14 | 2006-06-29 | Canon Inc | ノズル吐出状態検出手段を備える記録装置 |
US20090135221A1 (en) | 2007-11-27 | 2009-05-28 | Samsung Electronics Co., Ltd. | Method and apparatus for detecting missing nozzle in thermal inkjet printhead |
JP2015214079A (ja) | 2014-05-09 | 2015-12-03 | キヤノン株式会社 | 基板、液体吐出ヘッド、記録装置及び液体の吐出状態の判定方法 |
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KR20060006657A (ko) * | 2004-07-16 | 2006-01-19 | 삼성전자주식회사 | 잉크젯 프린트 헤드 및 그것을 제조하는 방법 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006168042A (ja) | 2004-12-14 | 2006-06-29 | Canon Inc | ノズル吐出状態検出手段を備える記録装置 |
US20090135221A1 (en) | 2007-11-27 | 2009-05-28 | Samsung Electronics Co., Ltd. | Method and apparatus for detecting missing nozzle in thermal inkjet printhead |
JP2015214079A (ja) | 2014-05-09 | 2015-12-03 | キヤノン株式会社 | 基板、液体吐出ヘッド、記録装置及び液体の吐出状態の判定方法 |
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JP2021014098A (ja) | 2021-02-12 |
US11498333B2 (en) | 2022-11-15 |
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