JP6894217B2 - 液体噴射装置 - Google Patents
液体噴射装置 Download PDFInfo
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- JP6894217B2 JP6894217B2 JP2016229043A JP2016229043A JP6894217B2 JP 6894217 B2 JP6894217 B2 JP 6894217B2 JP 2016229043 A JP2016229043 A JP 2016229043A JP 2016229043 A JP2016229043 A JP 2016229043A JP 6894217 B2 JP6894217 B2 JP 6894217B2
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Images
Classifications
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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
- B41J2/14032—Structure of the pressure chamber
- B41J2/14056—Plural heating elements per ink chamber
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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
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14209—Structure of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
- B41J2/03—Ink jet characterised by the jet generation process generating a continuous ink jet by pressure
-
- 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
- B41J2/04533—Control methods or devices therefor, e.g. driver circuits, control circuits controlling a head having several actuators per chamber
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
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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
- B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink temperature
-
- 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
- B41J2002/14362—Assembling elements of 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
- B41J2002/14411—Groove in the nozzle plate
-
- 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
- B41J2002/14491—Electrical connection
-
- 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
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/08—Embodiments of or processes related to ink-jet heads dealing with thermal variations, e.g. cooling
-
- 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
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/12—Embodiments of or processes related to ink-jet heads with ink circulating through the whole print head
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
図1は、実施形態のインクジェットヘッド(1A、1B、1C)を搭載したインクジェットプリンタ100の断面を示している。印字部109はインクジェットヘッド(1A、1B、1C)を備えている。インクジェットヘッド1Aは、シアンインクとマゼンタインクを吐出させる。インクジェットヘッド1Bは、イエローインクと透明インクを吐出させる。インクジェットヘッド1Cは、ブラックのインクを吐出させる。各インクジェットヘッド1A乃至1Cは、インクジェットプリンタ100の外部から入力された画像信号に応じて記録媒体S(用紙)上に画像を記録する。各インクジェットヘッドの詳細構造は後述する。
図12は、第2の実施形態のインクジェットヘッド1Aを示している。プリント配線板316、340に形成された開口317、318、343、344の形状が、第1の実施形態と異なっている。開口形状の差異以外は、第1の実施形態と同じである。
図13は、第3の実施形態のインクジェットヘッド1Aを示している。第2熱伝導部材501、502の構成が、第1実施形態の第2熱伝導部材404、405の構成と異なっている。第2の熱伝導部材501、502以外の構成は、第1の実施形態のインクジェットヘッド1Aと同じである。
筐体と、
液体を吐出する複数のノズルと、
前記ノズルに連通し、前記ノズルごとに設けられた圧力室と、
前記各圧力室に対応して設けられ、各圧力室内の液体に圧力変化を発生させる圧力発生素子と、
前記圧力室へ液体を供給する液体供給口と、
前記ノズルから吐出しなかった液体を前記圧力室から排出する液体排出口と、
前記筐体内に保持され、前記複数の圧力発生素子を駆動する集積回路と、
前記集積回路に接続され、前記集積回路を動作させる電気信号を発生する回路基板と、
前記回路基板を支持し、前記集積回路と前記筐体の内面に接触して、前記筐体に保持される熱伝導部材と、を備える液体噴射装置と、
前記液体供給口へ液体を供給し、前記排出口から吐出しなかった液体を回収し、再び液体を液体噴射装置へ供給する液体循環装置と、
前記液体噴射装置によって画像を形成する記録媒体を搬送する搬送装置と、を備える液体噴射記録装置。
100 インクジェットプリンタ
120 インク循環装置
200 インク吐出部
302、313、314、315 駆動IC
301、310、311、312 COF
316、340 プリント配線板
402、403 第1熱伝導部材
404、405 第2熱伝導部材
440、441 円形突起
481、483 接触面
Claims (5)
- 内面に突起部を備える筐体と、
液体を吐出する複数のノズルと、
前記ノズルに連通し、前記ノズルに対応して設けられた圧力室と、
前記各圧力室に対応して設けられ、各圧力室内の液体に圧力変化を発生させる圧力発生素子と、
前記筐体内に保持され、前記複数の圧力発生素子を駆動する集積回路と、
前記集積回路に接続され、前記集積回路を動作させる電気信号を発生する回路基板と、
前記回路基板を支持し、前記集積回路と前記筐体の内面に接触して、前記筐体に保持される熱伝導部材と、
を有し、
前記筐体の前記突起部が前記回路基板に設けられる開口を通して前記熱伝導部材に接触している液体噴射装置。 - 前記集積回路は、前記複数の圧力発生素子の配列方向において長辺を有し、前記配列方向と直交する方向に短辺を有し、
前記回路基板の開口は、前記長辺の中心を通り、前記直交する方向の線上に配置されている請求項1に記載の液体噴射装置。 - 前記集積回路は、絶縁膜を介して前記熱伝導部材に接触している請求項1又は2に記載の液体噴射装置。
- 前記筐体の前記突起部は、前記絶縁膜の開口、前記回路基板の前記開口を通して前記熱伝導部材に接触し、
前記集積回路で発生した熱は、前記熱伝導部材から前記突起部を通じて前記筐体に伝熱される請求項3に記載の液体噴射装置。 - 前記筐体の内面に板バネが更に設けられ、
前記熱伝導部材が前記筐体に保持されると、前記板バネによって前記集積回路が前記熱伝導部材に押し付けられる請求項4に記載の液体噴射装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016229043A JP6894217B2 (ja) | 2016-11-25 | 2016-11-25 | 液体噴射装置 |
US15/694,927 US10232612B2 (en) | 2016-11-25 | 2017-09-04 | Liquid jetting device |
CN201710794392.7A CN108099407B (zh) | 2016-11-25 | 2017-09-05 | 液体喷射装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016229043A JP6894217B2 (ja) | 2016-11-25 | 2016-11-25 | 液体噴射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018083387A JP2018083387A (ja) | 2018-05-31 |
JP6894217B2 true JP6894217B2 (ja) | 2021-06-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016229043A Active JP6894217B2 (ja) | 2016-11-25 | 2016-11-25 | 液体噴射装置 |
Country Status (3)
Country | Link |
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US (1) | US10232612B2 (ja) |
JP (1) | JP6894217B2 (ja) |
CN (1) | CN108099407B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111845075B (zh) * | 2018-09-19 | 2022-08-16 | 精工爱普生株式会社 | 液体喷出装置、液体喷出系统、以及打印头 |
JP7151339B2 (ja) * | 2018-09-28 | 2022-10-12 | 株式会社リコー | ヘッドモジュール、ヘッドユニット、液体を吐出する装置 |
CN112549784B (zh) * | 2019-09-26 | 2022-11-08 | 兄弟工业株式会社 | 加热器组件、头模块及具备它们的打印装置 |
WO2021100646A1 (ja) * | 2019-11-20 | 2021-05-27 | 株式会社ミマキエンジニアリング | インクジェットプリンタ |
CN111613888B (zh) * | 2020-06-02 | 2021-10-08 | 华中科技大学 | 一种多层互联立体电路的一体化共形制造方法 |
JP2022150858A (ja) * | 2021-03-26 | 2022-10-07 | セイコーエプソン株式会社 | 液体吐出装置 |
JP2022150859A (ja) * | 2021-03-26 | 2022-10-07 | セイコーエプソン株式会社 | 液体吐出装置 |
JP2022150857A (ja) * | 2021-03-26 | 2022-10-07 | セイコーエプソン株式会社 | 液体吐出装置 |
JP2023031359A (ja) * | 2021-08-25 | 2023-03-09 | 東芝テック株式会社 | 駆動装置、液体吐出ヘッド |
JP2023077738A (ja) * | 2021-11-25 | 2023-06-06 | 東芝テック株式会社 | 液体吐出ヘッド |
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JP4770400B2 (ja) * | 2005-11-01 | 2011-09-14 | ブラザー工業株式会社 | インクジェット記録装置 |
CN101106893B (zh) * | 2007-08-01 | 2010-05-26 | 锐德科无线通信技术(上海)有限公司 | 带有散热结构的印刷电路板 |
JP5367629B2 (ja) * | 2010-03-30 | 2013-12-11 | 理想科学工業株式会社 | インクジェットプリンタ |
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CN104135814A (zh) * | 2013-05-02 | 2014-11-05 | 鸿富锦精密工业(深圳)有限公司 | 印刷电路板 |
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US10232612B2 (en) | 2019-03-19 |
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