JP2021041569A - 液体吐出ヘッド及び液体吐出記録装置 - Google Patents
液体吐出ヘッド及び液体吐出記録装置 Download PDFInfo
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- JP2021041569A JP2021041569A JP2019163933A JP2019163933A JP2021041569A JP 2021041569 A JP2021041569 A JP 2021041569A JP 2019163933 A JP2019163933 A JP 2019163933A JP 2019163933 A JP2019163933 A JP 2019163933A JP 2021041569 A JP2021041569 A JP 2021041569A
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- 239000007788 liquid Substances 0.000 title claims abstract description 198
- 239000000758 substrate Substances 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 19
- 230000032258 transport Effects 0.000 description 13
- 239000000976 ink Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000000644 propagated effect Effects 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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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
-
- 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
- B41J2/055—Devices for absorbing or preventing back-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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
-
- 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
- B41J2/1433—Structure of nozzle plates
-
- 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
- B41J2002/1437—Back shooter
-
- 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
- B41J2002/14419—Manifold
-
- 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
- B41J2002/14459—Matrix arrangement of the pressure chambers
-
- 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
Abstract
Description
以下、第1の実施形態に係る液体吐出ヘッド1及び液体吐出記録装置100について、図1乃至図4を用いて説明する。また、各図において、説明のため、適宜構成を拡大、縮小または省略して示す。
次に、第2の実施形態に係る液体吐出ヘッド1について、図6を用いて説明する。図6は、第2の実施形態に係る液体吐出ヘッド1の構成を示す断面図である。なお、第2の実施形態に係る液体吐出ヘッド1のうち、上述した第1の実施形態に係る液体吐出ヘッド1と同様の構成には同一の符号を付し、その詳細な説明は省略する。また、図6において、説明のため、適宜構成を拡大、縮小または省略して示す。
次に、第3の実施形態に係る液体吐出ヘッド1について、図7を用いて説明する。図7は、第3の実施形態に係る液体吐出ヘッド1の構成を示す断面図である。なお、第3の実施形態に係る液体吐出ヘッド1のうち、上述した第1の実施形態に係る液体吐出ヘッド1と同様の構成には同一の符号を付し、その詳細な説明は省略する。また、図7において、説明のため、適宜構成を拡大、縮小または省略して示す。
次に、第4の実施形態に係る液体吐出ヘッド1について、図8を用いて説明する。図8は、第4の実施形態に係る液体吐出ヘッド1の構成を示す断面図である。なお、第4の実施形態に係る液体吐出ヘッド1のうち、上述した第1の実施形態に係る液体吐出ヘッド1と同様の構成には同一の符号を付し、その詳細な説明は省略する。また、図8において、説明のため、適宜構成を拡大、縮小または省略して示す。
次に、第5の実施形態に係る液体吐出ヘッド1について、図9を用いて説明する。図9は、第5の実施形態に係る液体吐出ヘッド1の構成を示す断面図である。なお、第5の実施形態に係る液体吐出ヘッド1のうち、上述した第1の実施形態に係る液体吐出ヘッド1と同様の構成には同一の符号を付し、その詳細な説明は省略する。また、図9において、説明のため、適宜構成を拡大、縮小または省略して示す。
次に、第6の実施形態に係る液体吐出ヘッド1について、図10を用いて説明する。図10は、第6の実施形態に係る液体吐出ヘッド1の構成を示す平面図である。なお、第6の実施形態に係る液体吐出ヘッド1のうち、上述した第1の実施形態に係る液体吐出ヘッド1と同様の構成には同一の符号を付し、その詳細な説明は省略する。また、図10において、説明のため、適宜構成を拡大、縮小または省略して示す。
Claims (5)
- 複数の圧力室を有する基板と、
前記基板の一方の主面に設けられ、前記複数の圧力室と対向する複数のノズルを有するノズルプレートと、
前記基板の他方の主面の少なくとも隣り合う前記圧力室の間に設けられ、前記圧力室で生じた圧力波を吸収するダンパー部材と、
を備える液体吐出ヘッド。 - 前記ダンパー部材は、前記複数の圧力室と対向する複数のダンパー室を有する、請求項1に記載の液体吐出ヘッド。
- 前記ダンパー部材は、前記基板を形成する材料と異なる材料であって、前記ダンパー部材の固有音響インピーダンスをZ1、前記圧力室内に供給される液体の固有音響インピーダンスをZ2、反射率R=(Z2−Z1)/(Z1+Z2)としたときに、反射率Rが
0.5≦R≦2
となる材料により形成される、請求項1又は請求項2に記載の液体吐出ヘッド。 - 前記ダンパー部材を構成する材料は、前記基板を形成する材料よりもヤング率が小さい、請求項1又は請求項2に記載の液体吐出ヘッド。
- 複数の圧力室を有する基板、前記基板の一方の主面に設けられ、前記複数の圧力室と対向する複数のノズルを有するノズルプレート、及び、前記基板の他方の主面の少なくとも隣り合う前記圧力室の間に設けられ、前記圧力室の変形による圧力変動によって弾性変形するダンパー部材を具備する液体吐出ヘッドと、
対象物を前記液体吐出ヘッドに相対移動可能に支持する支持装置と、
を備える液体吐出記録装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019163933A JP2021041569A (ja) | 2019-09-09 | 2019-09-09 | 液体吐出ヘッド及び液体吐出記録装置 |
US16/921,852 US11318742B2 (en) | 2019-09-09 | 2020-07-06 | Liquid discharge head and liquid discharge recording apparatus |
CN202010658717.0A CN112455089B (zh) | 2019-09-09 | 2020-07-09 | 液体喷出头及液体喷出记录装置 |
EP20192051.9A EP3789203B1 (en) | 2019-09-09 | 2020-08-21 | Liquid discharge head and liquid discharge recording apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019163933A JP2021041569A (ja) | 2019-09-09 | 2019-09-09 | 液体吐出ヘッド及び液体吐出記録装置 |
Publications (1)
Publication Number | Publication Date |
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JP2021041569A true JP2021041569A (ja) | 2021-03-18 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2019163933A Pending JP2021041569A (ja) | 2019-09-09 | 2019-09-09 | 液体吐出ヘッド及び液体吐出記録装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11318742B2 (ja) |
EP (1) | EP3789203B1 (ja) |
JP (1) | JP2021041569A (ja) |
CN (1) | CN112455089B (ja) |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006212781A (ja) | 2005-02-01 | 2006-08-17 | Fuji Xerox Co Ltd | インクジェット記録ヘッド、及びインクジェット記録装置 |
GB0620223D0 (en) | 2006-10-12 | 2006-11-22 | The Technology Partnership Plc | Liquid projection apparatus |
JP2010188547A (ja) * | 2009-02-16 | 2010-09-02 | Ricoh Co Ltd | 液滴吐出ヘッドならびにそれを備えた液滴吐出装置、画像形成装置 |
JP2014172296A (ja) | 2013-03-08 | 2014-09-22 | Toshiba Tec Corp | インクジェットヘッドおよびインクジェット記録装置 |
JP6248811B2 (ja) | 2014-05-27 | 2017-12-20 | コニカミノルタ株式会社 | インクジェットヘッド及びダンパー部材の製造方法 |
EP2851200B1 (en) | 2013-08-27 | 2020-04-01 | Konica Minolta, Inc. | Inkjet head and method for driving inkjet head |
JP6213230B2 (ja) * | 2013-09-13 | 2017-10-18 | 株式会社リコー | 液体吐出ヘッド及び画像形成装置 |
US9421768B2 (en) * | 2014-04-02 | 2016-08-23 | Kabushiki Kaisha Toshiba | Inkjet printer head |
JP6447218B2 (ja) * | 2015-02-17 | 2019-01-09 | コニカミノルタ株式会社 | インクジェットヘッド及びダンパー部材の製造方法 |
JP6477041B2 (ja) * | 2015-03-06 | 2019-03-06 | セイコーエプソン株式会社 | 液体噴射装置 |
US9827764B2 (en) | 2015-03-26 | 2017-11-28 | Seiko Epson Corporation | Liquid ejecting head and liquid ejecting apparatus with improved mechanical strength |
US10245841B2 (en) * | 2015-09-18 | 2019-04-02 | Konica Minolta, Inc. | Inkjet head and inkjet recording apparatus |
EP3372407B1 (en) | 2017-03-07 | 2023-10-04 | Canon Production Printing Holding B.V. | Inkjet print head assembly and method of manufacturing such inket print head |
JP2018153926A (ja) * | 2017-03-15 | 2018-10-04 | セイコーエプソン株式会社 | 液体吐出ヘッドおよび液体吐出装置 |
IT201700034134A1 (it) | 2017-03-28 | 2018-09-28 | St Microelectronics Srl | Dispositivo di eiezione di fluido con elemento di riduzione del crosstalk, testina di stampa includente il dispositivo di eiezione, stampante includente la testina di stampa e procedimento di fabbricazione del dispositivo di eiezione |
US10457042B2 (en) * | 2017-09-11 | 2019-10-29 | Panasonic Intellectual Property Management Co., Ltd. | Inkjet head and inkjet device using same |
US20190118533A1 (en) * | 2017-10-24 | 2019-04-25 | Toshiba Tec Kabushiki Kaisha | Fluid ejection head and fluid ejection apparatus |
-
2019
- 2019-09-09 JP JP2019163933A patent/JP2021041569A/ja active Pending
-
2020
- 2020-07-06 US US16/921,852 patent/US11318742B2/en active Active
- 2020-07-09 CN CN202010658717.0A patent/CN112455089B/zh active Active
- 2020-08-21 EP EP20192051.9A patent/EP3789203B1/en active Active
Also Published As
Publication number | Publication date |
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US20210070042A1 (en) | 2021-03-11 |
EP3789203B1 (en) | 2023-03-15 |
CN112455089B (zh) | 2022-11-18 |
EP3789203A1 (en) | 2021-03-10 |
US11318742B2 (en) | 2022-05-03 |
CN112455089A (zh) | 2021-03-09 |
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