JP4801673B2 - 変化する曲げ剛性を有する2点係止式熱アクチュエータ - Google Patents
変化する曲げ剛性を有する2点係止式熱アクチュエータ Download PDFInfo
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- JP4801673B2 JP4801673B2 JP2007543400A JP2007543400A JP4801673B2 JP 4801673 B2 JP4801673 B2 JP 4801673B2 JP 2007543400 A JP2007543400 A JP 2007543400A JP 2007543400 A JP2007543400 A JP 2007543400A JP 4801673 B2 JP4801673 B2 JP 4801673B2
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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
-
- 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
-
- 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
- B41J2/1626—Manufacturing processes etching
- B41J2/1628—Manufacturing processes etching dry etching
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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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1626—Manufacturing processes etching
- B41J2/1629—Manufacturing processes etching wet etching
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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
- B41J2/16—Production of nozzles
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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
- B41J2/16—Production of nozzles
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- B41J2/1646—Manufacturing processes thin film formation thin film formation by sputtering
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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
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- B41J2002/14346—Ejection by pressure produced by thermal deformation of ink chamber, e.g. buckling
Description
微小ビームの局部膨脹は、次の通りである。
11 液体室狭幅壁部
12 液体室
12c 液体室12の狭幅の中央部
13 柔軟な結合材料
14 変形可能な部材12の係止位置の、対向する係止縁部
15 本発明による2点係止式熱アクチュエータ
17 ベース部材の解放位置
18 変形可能な部材の係止部
19 変形可能な部材の中央部
20 変形可能な部材
20b 基板10に結合される変形可能な部材20の固定部
21 不活性化層及び/又はエッチング停止マスキング層
22 第1層
24 第2層
24a 第2層の係止部
24c 第2層の中央部
26 第3層
27 係止部の変形可能な部材の材料を除去する穴
28 液体室構造、壁及びカバー
29 犠牲層
30 ノズル
31 流体入口ポート
32 流体フローポート
34 流体入口経路
36 バルブシート
38 バルブシーリング部材
40 光方向付け部材
41 TABリード線
42 ヒータ電極
43 半田バンプ
44 ヒータ電極
45 半田バンプ
46 TABリード線
47 電気抵抗部材、薄膜抵抗レジスタ
50 液滴
52 流体ストリーム
60 流体
62 エッチング可能な領域
80 マウンチング構造
90 2点係止式熱アクチュエータの従来の設計
100 インクジェットプリントヘッド
110 液滴放出器ユニット
120 常態閉の微小(マイクロ)バルブユニット
130 常態開の微小(マイクロ)バルブユニット
150 微小(マイクロ)スイッチユニット
151 電極下方の電気絶縁層
152 スペーシング構造
153 電極アクセス開口
154 制御電極
155 第1スイッチ電極
156 第1スイッチ電極への入力パッド
157 第2スイッチ電極
158 第2スイッチ電極への入力パッド
159 第1及び第2スイッチ電極間の空間
160 常態閉の微小(マイクロ)スイッチユニット
170 常態開の微小(マイクロ)スイッチユニット
200 電極パルス源
300 コントローラ
400 画像データ源
500 受信機
Claims (2)
- 微小電気機械装置用熱アクチュエータであって、
(a)対向する係止縁部を有する凹部が形成されたベース部材と、
(b)前記対向する係止縁部にて前記ベース部材に取り付けられて第1の位置に定在し、低い熱膨張係数を有する第1の材料の第1の層と高い熱膨張係数を有する第2の材料の第2の層とを有する平らな積層体として構成され、前記係止縁部の近傍に係止部及び前記係止部間に中央部を有する変形可能な部材であって、前記係止部の曲げ剛性が前記中央部の曲げ剛性よりも実質的に低い変形可能な部材と、
(c)前記変形可能な部材に熱パルスを印加するように構成された装置であって、前記変形可能な部材の温度の急な上昇を引き起こし、前記変形可能な部材を前記第2の材料に向かう方向に反らせ、次いで、前記変形可能な部材の温度が減少した際に前記第1の位置へと緩和させる、装置とを含み、
前記係止部の実効ヤング率はE a であり、前記中央部の実効ヤング率はE c であり、E a はE c よりも実質的に小さい、熱アクチュエータ。 - 液滴放出器であって、
(a)基板内に形成され、液体が充填され、前記液体の滴を放出するノズルを有する室と、
(b)前記基板から支持される対向する係止縁部と、
(c)前記対向する係止縁部にて前記ベース部材に取り付けられ、第1の位置に定在する変形可能な部材であって、変形時に前記ノズルで前記液体を加圧するように構成され、低い熱膨張係数を有する第1の材料の第1の層と高い熱膨張係数を有する第2の材料の第2の層とを有する平らな積層体として構成され、前記係止縁部の近傍に係止部、及び、前記係止部間に、前記係止部の曲げ剛性よりも実質的に低い曲げ剛性の中央部を有する変形可能な部材と、
(d)前記変形可能な部材に熱パルスを印加するように構成された装置であって、前記変形可能な部材の温度の急な上昇を引き起こし、前記変形可能な部材を前記第2の材料に向かう方向に反らせ、次いで、前記変形可能な部材の温度が減少した際に前記第1の位置へと緩和させる、装置とを含み、
前記係止部の実効ヤング率はE a であり、前記中央部の実効ヤング率はE c であり、E a はE c よりも実質的に小さい、液滴放出器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/994,952 | 2004-11-22 | ||
US10/994,952 US7175258B2 (en) | 2004-11-22 | 2004-11-22 | Doubly-anchored thermal actuator having varying flexural rigidity |
PCT/US2005/042320 WO2006058003A1 (en) | 2004-11-22 | 2005-11-17 | Doubly-anchored thermal actuator having varying flexural rigidity |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008520909A JP2008520909A (ja) | 2008-06-19 |
JP2008520909A5 JP2008520909A5 (ja) | 2008-12-18 |
JP4801673B2 true JP4801673B2 (ja) | 2011-10-26 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007543400A Expired - Fee Related JP4801673B2 (ja) | 2004-11-22 | 2005-11-17 | 変化する曲げ剛性を有する2点係止式熱アクチュエータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7175258B2 (ja) |
EP (1) | EP1814739B1 (ja) |
JP (1) | JP4801673B2 (ja) |
WO (1) | WO2006058003A1 (ja) |
Cited By (2)
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KR20160145109A (ko) * | 2014-05-06 | 2016-12-19 | 멤스 드라이브, 인크. | 저강성 플렉셔 |
US10244171B2 (en) | 2014-05-06 | 2019-03-26 | Mems Drive, Inc. | Electrical bar latching for low stiffness flexure MEMS actuator |
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US7857422B2 (en) * | 2007-01-25 | 2010-12-28 | Eastman Kodak Company | Dual feed liquid drop ejector |
FR2911865B1 (fr) * | 2007-01-26 | 2009-04-17 | Commissariat Energie Atomique | Procede de realisation d'un capot de protection de composant sur un substrat |
US8190402B2 (en) * | 2009-05-04 | 2012-05-29 | King Fahd University Of Petroleum & Minerals | Method of modeling flexural characteristics of a bar subjected to local heating |
US8531952B2 (en) | 2009-11-30 | 2013-09-10 | The Hong Kong Polytechnic University | Method for measurement of network path capacity with minimum delay difference |
US8434855B2 (en) | 2011-04-19 | 2013-05-07 | Eastman Kodak Company | Fluid ejector including MEMS composite transducer |
US8864287B2 (en) | 2011-04-19 | 2014-10-21 | Eastman Kodak Company | Fluid ejection using MEMS composite transducer |
WO2012145163A1 (en) | 2011-04-19 | 2012-10-26 | Eastman Kodak Company | Fluid ejector including mems composite transducer |
US8746850B2 (en) * | 2012-04-10 | 2014-06-10 | Xerox Corporation | Patterned heater traces for inkjet printhead |
US11215432B2 (en) | 2014-07-07 | 2022-01-04 | Nihaal Nath | Remotely detectable ammunition |
CN107933911B (zh) * | 2016-10-12 | 2019-07-12 | 清华大学 | 一种仿生昆虫 |
JP6841133B2 (ja) * | 2017-03-31 | 2021-03-10 | ブラザー工業株式会社 | 液体吐出装置 |
EP3527826B1 (en) | 2018-02-16 | 2020-07-08 | ams AG | Pumping structure, particle detector and method for pumping |
JP6809515B2 (ja) * | 2018-08-08 | 2021-01-06 | カシオ計算機株式会社 | 樹脂成形シート、樹脂成形シートの製造方法、造形物及び造形物の製造方法 |
US20200115224A1 (en) | 2018-10-12 | 2020-04-16 | Stmicroelectronics S.R.L. | Mems device having a rugged package and fabrication process thereof |
JP7342497B2 (ja) * | 2019-07-31 | 2023-09-12 | セイコーエプソン株式会社 | 液体吐出ヘッド、液体吐出装置、および液体吐出ヘッドの製造方法 |
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US20030214556A1 (en) * | 2002-05-15 | 2003-11-20 | Eastman Kodak Company | Snap-through thermal actuator |
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- 2005-11-17 JP JP2007543400A patent/JP4801673B2/ja not_active Expired - Fee Related
- 2005-11-17 WO PCT/US2005/042320 patent/WO2006058003A1/en active Application Filing
- 2005-11-17 EP EP05852015.6A patent/EP1814739B1/en not_active Expired - Fee Related
Patent Citations (1)
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US20030214556A1 (en) * | 2002-05-15 | 2003-11-20 | Eastman Kodak Company | Snap-through thermal actuator |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160145109A (ko) * | 2014-05-06 | 2016-12-19 | 멤스 드라이브, 인크. | 저강성 플렉셔 |
US10071903B2 (en) | 2014-05-06 | 2018-09-11 | Mems Drive, Inc. | Low stiffness flexure |
KR101953139B1 (ko) * | 2014-05-06 | 2019-02-28 | 멤스 드라이브, 인크. | 저강성 플렉셔 |
US10244171B2 (en) | 2014-05-06 | 2019-03-26 | Mems Drive, Inc. | Electrical bar latching for low stiffness flexure MEMS actuator |
Also Published As
Publication number | Publication date |
---|---|
WO2006058003A1 (en) | 2006-06-01 |
US20060109314A1 (en) | 2006-05-25 |
EP1814739B1 (en) | 2013-06-26 |
US7175258B2 (en) | 2007-02-13 |
EP1814739A1 (en) | 2007-08-08 |
JP2008520909A (ja) | 2008-06-19 |
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