JP4659439B2 - 液滴発生器 - Google Patents
液滴発生器 Download PDFInfo
- Publication number
- JP4659439B2 JP4659439B2 JP2004332752A JP2004332752A JP4659439B2 JP 4659439 B2 JP4659439 B2 JP 4659439B2 JP 2004332752 A JP2004332752 A JP 2004332752A JP 2004332752 A JP2004332752 A JP 2004332752A JP 4659439 B2 JP4659439 B2 JP 4659439B2
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- JP
- Japan
- Prior art keywords
- circular
- section
- inches
- millimeters
- channel section
- 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.)
- Expired - Fee Related
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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
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14233—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm
-
- 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
- B41J2002/14475—Structure thereof only for on-demand ink jet heads characterised by nozzle shapes or number of orifices per chamber
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Percussion Or Vibration Massage (AREA)
- Devices For Medical Bathing And Washing (AREA)
Description
<付記>
(1)請求項1に記載の液滴発生器において、前記円形区間は、第一円形部分区間および第二円形部分区間を含む液滴発生器。
(2)請求項1に記載の液滴発生器において、前記非円形区間の断面は、楕円形である液滴発生器。
(3)請求項1に記載の液滴発生器において、前記非円形区間の断面は、ほぼ卵形であり、前記ノズルは、前記卵形断面の小径端に配置されている液滴発生器。
(4)請求項1に記載の液滴発生器において、前記圧力チャンバの断面は、ほぼ平行四辺形である液滴発生器。
(5)請求項1に記載の液滴発生器において、前記圧力チャンバは、約23KHz〜約30KHzの周波数で動作する液滴発生器。
Claims (5)
- 圧力チャンバと、
前記圧力チャンバに接続している流入チャネルと、
前記圧力チャンバに接続していて、流出チャネル軸を有する流出チャネルであって、前記圧力チャンバに接続していて、断面が円形である第一円形流出チャネル区間と、前記第一円形流出チャネル区間に接続していて、断面が非円形である第一非円形流出チャネル区間と、前記第一非円形流出チャネル区間に接続していて、断面が円形である第二円形流出チャネル区間と、前記第二円形流出チャネル区間に接続していて、断面が非円形である第二非円形流出チャネル区間と、を含む、流出チャネルと、
前記第二非円形流出チャネルの終端で配置されている液滴射出ノズルと、を備える、液滴発生器。 - 請求項1に記載の液滴発生器において、圧電素子を更に含む液滴発生器。
- 請求項1に記載の液滴発生器において、前記流入チャネルは、溶融固体インクを受容する液滴発生器。
- 請求項1に記載の液滴発生器において、前記第二非円形チャネル区間の断面は、ほぼ卵形である液滴発生器。
- 請求項1に記載の液滴発生器において、前記ノズルは、約20ナノグラム〜約30ナノグラムの範囲の質量を有する液滴を射出する液滴発生器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/719,044 US7055939B2 (en) | 2003-11-20 | 2003-11-20 | Drop generator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005153522A JP2005153522A (ja) | 2005-06-16 |
JP2005153522A5 JP2005153522A5 (ja) | 2008-01-10 |
JP4659439B2 true JP4659439B2 (ja) | 2011-03-30 |
Family
ID=34435795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004332752A Expired - Fee Related JP4659439B2 (ja) | 2003-11-20 | 2004-11-17 | 液滴発生器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7055939B2 (ja) |
EP (1) | EP1533122B1 (ja) |
JP (1) | JP4659439B2 (ja) |
CN (1) | CN1618608B (ja) |
BR (1) | BRPI0405111A (ja) |
CA (1) | CA2487507C (ja) |
DE (1) | DE602004005401T2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060284936A1 (en) * | 2005-06-15 | 2006-12-21 | Xerox Corporation | Drop Generator |
JP2007076168A (ja) * | 2005-09-14 | 2007-03-29 | Fujifilm Corp | 液体吐出ヘッド及び画像形成装置 |
JP5424556B2 (ja) * | 2007-12-07 | 2014-02-26 | キヤノン株式会社 | 回転対称性を有しない吐出口を有する液体吐出ヘッド |
US7857432B2 (en) * | 2009-02-24 | 2010-12-28 | Xerox Corporation | Drop generator |
JP5831081B2 (ja) * | 2011-09-16 | 2015-12-09 | 株式会社リコー | 液体吐出ヘッド及び画像形成装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0526388U (ja) * | 1991-09-13 | 1993-04-06 | ブラザー工業株式会社 | インク供給装置 |
JPH05318744A (ja) * | 1992-05-25 | 1993-12-03 | Seiko Epson Corp | インクジェットヘッドの製造方法 |
JPH0640035A (ja) * | 1992-05-27 | 1994-02-15 | Ngk Insulators Ltd | 圧電/電歪アクチュエータ |
JPH08238769A (ja) * | 1995-01-13 | 1996-09-17 | Tektronix Inc | インク・ジェット・プリント・ヘッド |
JP2002178520A (ja) * | 2000-10-02 | 2002-06-26 | Canon Inc | 液体吐出ヘッド、それを備えるヘッドカートリッジ、および液体吐出装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55117666A (en) | 1979-03-01 | 1980-09-10 | Ricoh Co Ltd | Multi-nozzle plate unit for ink jet device |
US4334234A (en) * | 1979-04-02 | 1982-06-08 | Canon Kabushiki Kaisha | Liquid droplet forming apparatus |
US5736993A (en) * | 1993-07-30 | 1998-04-07 | Tektronix, Inc. | Enhanced performance drop-on-demand ink jet head apparatus and method |
US6217159B1 (en) * | 1995-04-21 | 2001-04-17 | Seiko Epson Corporation | Ink jet printing device |
US6527369B1 (en) | 1995-10-25 | 2003-03-04 | Hewlett-Packard Company | Asymmetric printhead orifice |
JP3349891B2 (ja) * | 1996-06-11 | 2002-11-25 | 富士通株式会社 | 圧電型インクジェットヘッドの駆動方法 |
WO1999022938A1 (en) * | 1997-10-30 | 1999-05-14 | Xaarjet Ab | Ink jet printer |
US6305773B1 (en) * | 1998-07-29 | 2001-10-23 | Xerox Corporation | Apparatus and method for drop size modulated ink jet printing |
KR100499118B1 (ko) | 2000-02-24 | 2005-07-04 | 삼성전자주식회사 | 단결정 실리콘 웨이퍼를 이용한 일체형 유체 노즐어셈블리 및 그 제작방법 |
SE0003799D0 (sv) | 2000-10-20 | 2000-10-20 | Aamic Ab | Method of makin gholes and structures comprising such holes |
JP3711443B2 (ja) * | 2000-10-25 | 2005-11-02 | セイコーエプソン株式会社 | インクジェット式記録装置 |
KR100438836B1 (ko) * | 2001-12-18 | 2004-07-05 | 삼성전자주식회사 | 압전 방식의 잉크젯 프린트 헤드 및 그 제조방법 |
-
2003
- 2003-11-20 US US10/719,044 patent/US7055939B2/en active Active
-
2004
- 2004-11-15 CA CA002487507A patent/CA2487507C/en not_active Expired - Fee Related
- 2004-11-17 DE DE602004005401T patent/DE602004005401T2/de active Active
- 2004-11-17 EP EP04027289A patent/EP1533122B1/en not_active Expired - Fee Related
- 2004-11-17 JP JP2004332752A patent/JP4659439B2/ja not_active Expired - Fee Related
- 2004-11-18 BR BR0405111-4A patent/BRPI0405111A/pt not_active IP Right Cessation
- 2004-11-22 CN CN2004100950265A patent/CN1618608B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0526388U (ja) * | 1991-09-13 | 1993-04-06 | ブラザー工業株式会社 | インク供給装置 |
JPH05318744A (ja) * | 1992-05-25 | 1993-12-03 | Seiko Epson Corp | インクジェットヘッドの製造方法 |
JPH0640035A (ja) * | 1992-05-27 | 1994-02-15 | Ngk Insulators Ltd | 圧電/電歪アクチュエータ |
JPH08238769A (ja) * | 1995-01-13 | 1996-09-17 | Tektronix Inc | インク・ジェット・プリント・ヘッド |
JP2002178520A (ja) * | 2000-10-02 | 2002-06-26 | Canon Inc | 液体吐出ヘッド、それを備えるヘッドカートリッジ、および液体吐出装置 |
Also Published As
Publication number | Publication date |
---|---|
BRPI0405111A (pt) | 2005-07-19 |
CA2487507C (en) | 2008-05-20 |
CA2487507A1 (en) | 2005-05-20 |
DE602004005401T2 (de) | 2007-07-05 |
US20050110834A1 (en) | 2005-05-26 |
EP1533122B1 (en) | 2007-03-21 |
CN1618608A (zh) | 2005-05-25 |
EP1533122A1 (en) | 2005-05-25 |
US7055939B2 (en) | 2006-06-06 |
DE602004005401D1 (de) | 2007-05-03 |
CN1618608B (zh) | 2011-06-15 |
JP2005153522A (ja) | 2005-06-16 |
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