JP7802506B2 - 液体吐出ヘッド - Google Patents

液体吐出ヘッド

Info

Publication number
JP7802506B2
JP7802506B2 JP2021196824A JP2021196824A JP7802506B2 JP 7802506 B2 JP7802506 B2 JP 7802506B2 JP 2021196824 A JP2021196824 A JP 2021196824A JP 2021196824 A JP2021196824 A JP 2021196824A JP 7802506 B2 JP7802506 B2 JP 7802506B2
Authority
JP
Japan
Prior art keywords
protrusion
liquid
ejection head
substrate
liquid chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2021196824A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023082851A5 (https=
JP2023082851A (ja
Inventor
龍 佐藤
恭輔 戸田
晋平 吉川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2021196824A priority Critical patent/JP7802506B2/ja
Priority to US18/073,716 priority patent/US12251934B2/en
Publication of JP2023082851A publication Critical patent/JP2023082851A/ja
Publication of JP2023082851A5 publication Critical patent/JP2023082851A5/ja
Application granted granted Critical
Publication of JP7802506B2 publication Critical patent/JP7802506B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B41J2/1404—Geometrical characteristics
    • 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
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14024—Assembling head parts
    • 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
    • B41J2/14145—Structure of the 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
    • 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
    • B41J2002/14403—Structure thereof only for on-demand ink jet heads including a filter

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
JP2021196824A 2021-12-03 2021-12-03 液体吐出ヘッド Active JP7802506B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021196824A JP7802506B2 (ja) 2021-12-03 2021-12-03 液体吐出ヘッド
US18/073,716 US12251934B2 (en) 2021-12-03 2022-12-02 Liquid ejection head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021196824A JP7802506B2 (ja) 2021-12-03 2021-12-03 液体吐出ヘッド

Publications (3)

Publication Number Publication Date
JP2023082851A JP2023082851A (ja) 2023-06-15
JP2023082851A5 JP2023082851A5 (https=) 2024-11-26
JP7802506B2 true JP7802506B2 (ja) 2026-01-20

Family

ID=86608787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021196824A Active JP7802506B2 (ja) 2021-12-03 2021-12-03 液体吐出ヘッド

Country Status (2)

Country Link
US (1) US12251934B2 (https=)
JP (1) JP7802506B2 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012061714A (ja) 2010-09-16 2012-03-29 Ricoh Co Ltd 液体吐出ヘッド及び画像形成装置
JP2013063614A (ja) 2011-09-20 2013-04-11 Seiko Epson Corp 液体噴射ヘッド及び液体噴射装置
JP2016049682A (ja) 2014-08-29 2016-04-11 キヤノン株式会社 液体吐出ヘッドおよび液体吐出装置
JP2016163965A (ja) 2015-03-06 2016-09-08 セイコーエプソン株式会社 液体噴射装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006240150A (ja) 2005-03-04 2006-09-14 Canon Inc 液体噴射記録ヘッド
JP5541655B2 (ja) 2008-06-17 2014-07-09 キヤノン株式会社 記録ヘッド
JP6312507B2 (ja) 2013-05-13 2018-04-18 キヤノン株式会社 液体吐出装置および液体吐出ヘッド
JP6507644B2 (ja) * 2015-01-05 2019-05-08 セイコーエプソン株式会社 液体噴射ヘッドおよびその製造方法
JP6541436B2 (ja) 2015-05-27 2019-07-10 キヤノン株式会社 液体吐出ヘッドおよび液体吐出装置
JP7467090B2 (ja) 2019-12-05 2024-04-15 キヤノン株式会社 液体吐出ヘッド
JP2021194841A (ja) 2020-06-12 2021-12-27 キヤノン株式会社 記録素子およびその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012061714A (ja) 2010-09-16 2012-03-29 Ricoh Co Ltd 液体吐出ヘッド及び画像形成装置
JP2013063614A (ja) 2011-09-20 2013-04-11 Seiko Epson Corp 液体噴射ヘッド及び液体噴射装置
JP2016049682A (ja) 2014-08-29 2016-04-11 キヤノン株式会社 液体吐出ヘッドおよび液体吐出装置
JP2016163965A (ja) 2015-03-06 2016-09-08 セイコーエプソン株式会社 液体噴射装置

Also Published As

Publication number Publication date
JP2023082851A (ja) 2023-06-15
US20230173809A1 (en) 2023-06-08
US12251934B2 (en) 2025-03-18

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