JP2006001119A - インクジェットヘッド - Google Patents
インクジェットヘッド Download PDFInfo
- Publication number
- JP2006001119A JP2006001119A JP2004179529A JP2004179529A JP2006001119A JP 2006001119 A JP2006001119 A JP 2006001119A JP 2004179529 A JP2004179529 A JP 2004179529A JP 2004179529 A JP2004179529 A JP 2004179529A JP 2006001119 A JP2006001119 A JP 2006001119A
- Authority
- JP
- Japan
- Prior art keywords
- inlet
- nozzle
- ink
- plate
- nozzle plate
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- 239000000976 ink Substances 0.000 description 72
- 238000004891 communication Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1632—Manufacturing processes machining
- B41J2/1634—Manufacturing processes machining laser machining
-
- 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
- B41J2/16—Production of nozzles
- B41J2/162—Manufacturing of the 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
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2002/14306—Flow passage between manifold and chamber
-
- 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
- B41J2002/14475—Structure thereof only for on-demand ink jet heads characterised by nozzle shapes or number of orifices per chamber
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
【解決手段】 ノズル孔4は、ノズルプレート11の一方面側に開口する吐出口4aと、ノズルプレート11の他方面側に開口する流入口4bと、吐出口4aから流入口4b近傍まで所定テーパ角度θで拡径するテーパ形状部4cと、テーパ形状部4cの所定テーパ角度θに沿うよりも大きく拡径して、テーパ形状部4cの端部と流入口4bとを曲面で接続する周縁部4dとを有し、流入口4bの開口径D1が、テーパ形状部4cをその所定テーパ角度θに沿って流入口4b側に仮想延長して得られる仮想流入口4eの開口径D2に対して、D2<D1<1.2×D2の関係となっている。
【選択図】 図5
Description
D2=D0+2T×tanθ
の式で表される。
1a 第1サブユニット
1b 第2サブユニット
2 圧電アクチュエータ
3 フレキシブルフラットケーブル
4 ノズル孔
4a 吐出口
4b 流入口
4c テーパ形状部
4d 周縁部
4e 仮想流入口
11 ノズルプレート
12 スペーサプレート
100 インクジェットヘッド
Claims (3)
- 被記録媒体に対してインクを吐出するノズル孔が穿設されたノズルプレートを含むインクジェットヘッドにおいて、
前記ノズル孔は、
前記ノズルプレートの一方面側に開口する吐出口と、
前記ノズルプレートの他方面側に開口する流入口と、
前記吐出口から前記流入口近傍まで所定テーパ角度で拡径するテーパ形状部と、
前記テーパ形状部の所定テーパ角度に沿うよりも大きく拡径して、前記テーパ形状部の端部と前記流入口とを曲面で接続する周縁部とを有し、
前記流入口の開口径D1が、前記テーパ形状部をその所定テーパ角度に沿って前記流入口側に仮想延長して得られる仮想流入口の開口径D2に対して、D2<D1<1.2×D2の関係となっていることを特徴とするインクジェットヘッド。 - 前記ノズル孔は、前記ノズルプレートの他方面側から照射されるレーザビームにより加工されていることを特徴とする請求項1に記載のインクジェットヘッド。
- 前記周縁部は、前記レーザビームによるテーパ形状部の加工に伴って形成されることを特徴とする請求項2に記載のインクジェットヘッド。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004179529A JP2006001119A (ja) | 2004-06-17 | 2004-06-17 | インクジェットヘッド |
US11/156,101 US7293860B2 (en) | 2004-06-17 | 2005-06-17 | Droplet ejecting head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004179529A JP2006001119A (ja) | 2004-06-17 | 2004-06-17 | インクジェットヘッド |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006001119A true JP2006001119A (ja) | 2006-01-05 |
Family
ID=35505212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004179529A Pending JP2006001119A (ja) | 2004-06-17 | 2004-06-17 | インクジェットヘッド |
Country Status (2)
Country | Link |
---|---|
US (1) | US7293860B2 (ja) |
JP (1) | JP2006001119A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7527364B2 (en) * | 2005-07-28 | 2009-05-05 | Brother Kogyo Kabushiki Kaisha | Printer, liquid discharging head, and flexible flat cable of liquid discharging head |
US7766460B2 (en) * | 2005-11-30 | 2010-08-03 | Brother Kogyo Kabushiki Kaisha | Liquid-droplet jetting apparatus |
JP5200397B2 (ja) * | 2007-03-20 | 2013-06-05 | ブラザー工業株式会社 | 液滴吐出装置 |
JP5550220B2 (ja) * | 2008-08-29 | 2014-07-16 | キヤノン株式会社 | インクタンク |
JP2012020422A (ja) * | 2010-07-12 | 2012-02-02 | Seiko Epson Corp | 液体噴射ヘッド、液体噴射ヘッドユニット及び液体噴射装置 |
GB2504777A (en) * | 2012-08-10 | 2014-02-12 | Xaar Technology Ltd | Droplet ejection apparatus |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587534A (en) * | 1983-01-28 | 1986-05-06 | Canon Kabushiki Kaisha | Liquid injection recording apparatus |
JPS59138471A (ja) | 1983-01-28 | 1984-08-08 | Canon Inc | 液体噴射記録装置 |
JPH04341853A (ja) | 1991-05-20 | 1992-11-27 | Brother Ind Ltd | 圧電式インクジェットプリンタヘッド |
US5402159A (en) * | 1990-03-26 | 1995-03-28 | Brother Kogyo Kabushiki Kaisha | Piezoelectric ink jet printer using laminated piezoelectric actuator |
JPH06246916A (ja) * | 1993-02-26 | 1994-09-06 | Brother Ind Ltd | インク噴射装置 |
JPH06246917A (ja) | 1993-02-26 | 1994-09-06 | Brother Ind Ltd | インク噴射装置 |
JP3991405B2 (ja) | 1997-11-17 | 2007-10-17 | 富士フイルム株式会社 | インクジェット記録ヘッド用ノズル板の製造方法 |
US6604817B2 (en) * | 2000-03-07 | 2003-08-12 | Brother Kogyo Kabushiki Kaisha | Print head for piezoelectric ink jet printer, piezoelectric actuator therefor, and process for producing piezoelectric actuator |
JP3692895B2 (ja) | 2000-03-07 | 2005-09-07 | ブラザー工業株式会社 | 圧電式インクジェットプリンタヘッド |
-
2004
- 2004-06-17 JP JP2004179529A patent/JP2006001119A/ja active Pending
-
2005
- 2005-06-17 US US11/156,101 patent/US7293860B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050285910A1 (en) | 2005-12-29 |
US7293860B2 (en) | 2007-11-13 |
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