JP6394903B2 - ヘッド及び液体噴射装置 - Google Patents
ヘッド及び液体噴射装置 Download PDFInfo
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- JP6394903B2 JP6394903B2 JP2015047693A JP2015047693A JP6394903B2 JP 6394903 B2 JP6394903 B2 JP 6394903B2 JP 2015047693 A JP2015047693 A JP 2015047693A JP 2015047693 A JP2015047693 A JP 2015047693A JP 6394903 B2 JP6394903 B2 JP 6394903B2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/871—Single-layered electrodes of multilayer piezoelectric or electrostrictive devices, e.g. internal electrodes
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
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- 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
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- B41J2/1645—Manufacturing processes thin film formation thin film formation by spincoating
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/802—Drive or control circuitry or methods for piezoelectric or electrostrictive devices not otherwise provided for
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- B41J2202/18—Electrical connection established using vias
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2047—Membrane type
Description
本発明を実施形態に基づいて詳細に説明する。本実施形態では、ヘッドの一例として、インクジェット式記録ヘッドについて説明する。
実施形態のヘッド1は、液体噴射装置の一例であるインクジェット式記録装置に搭載される。図17は、そのインクジェット式記録装置の一例を示す概略図である。
以上、本発明の一実施形態について説明したが、本発明の基本的な構成は上述したものに限定されるものではない。
Claims (6)
- 液体を噴射するノズル開口に連通する圧力発生室に圧力変化を生じさせるピエゾ素子が第1の方向に並設されたピエゾ素子列を第1の方向とは交差する第2の方向に2列有するアクチュエーター基板と、
前記アクチュエーター基板に対向する第1主面とは反対側の第2主面に前記ピエゾ素子を駆動する駆動回路が設けられた駆動回路基板と、
前記アクチュエーター基板又は前記駆動回路基板の何れか一方に設けられた第1バンプ及び第2バンプとを備え、
前記第1バンプは、第2の方向において前記ピエゾ素子列の外側に設けられ、
前記アクチュエーター基板と前記駆動回路基板とを接着する接着層は、少なくとも、前記第2の方向において前記第1バンプの両側に設けられており、
前記ピエゾ素子は、前記圧力発生室に対応して独立して設けられる個別電極と、前記ピエゾ素子列に共通する共通電極と、前記共通電極及び前記個別電極間に設けられた圧電体層とを有し、
前記駆動回路基板には、前記第1主面と前記第2主面とを連通して前記個別電極ごとに設けられた複数の第1貫通孔と、前記第1主面と前記第2主面とを連通して前記共通電極に対応して設けられた少なくとも一つの第2貫通孔とが設けられ、
前記第1貫通孔内及び前記第2貫通孔内には、前記駆動回路と前記ピエゾ素子とを電気的に接続する第1接続配線及び第2接続配線が設けられ、
前記個別電極と前記第1接続配線とは前記第1バンプにより、前記共通電極と前記第2接続配線とは前記第2バンプにより電気的に接続されている
ことを特徴とするヘッド。 - 請求項1に記載するヘッドにおいて、
前記第2バンプは、前記ピエゾ素子列の間に設けられている
ことを特徴とするヘッド。 - 請求項1又は請求項2に記載するヘッドにおいて、
前記接着層は、前記第2の方向において前記第2バンプの両側に設けられている
ことを特徴とするヘッド。 - 請求項1〜請求項3の何れか一項に記載するヘッドにおいて、
前記駆動回路基板の前記アクチュエーター基板側の面に、前記ピエゾ素子列に対向して第2の方向の延設された凹状の収容部が設けられ、
前記収容部内に配線が形成されている
ことを特徴とするヘッド。 - 請求項1〜請求項4の何れか一項に記載するヘッドにおいて、
前記第2バンプは、第1の方向に延設され、
前記第2貫通孔は、第1の方向において前記第2バンプの両端よりも外側に少なくとも2つ形成されている
ことを特徴とするヘッド。 - 請求項1〜請求項5の何れか一項に記載するヘッドを備えることを特徴とする液体噴射装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015047693A JP6394903B2 (ja) | 2015-03-10 | 2015-03-10 | ヘッド及び液体噴射装置 |
US15/015,994 US9705066B2 (en) | 2015-03-10 | 2016-02-04 | Head and liquid ejecting apparatus |
CN201610133071.8A CN105966068B (zh) | 2015-03-10 | 2016-03-09 | 头以及液体喷射装置 |
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JP6589301B2 (ja) | 2015-03-10 | 2019-10-16 | セイコーエプソン株式会社 | 液体噴射ヘッド、及び液体噴射ヘッドの製造方法 |
JP6711048B2 (ja) * | 2016-03-17 | 2020-06-17 | セイコーエプソン株式会社 | 圧電デバイス、液体噴射ヘッド及び液体噴射装置 |
JP6840969B2 (ja) * | 2016-09-21 | 2021-03-10 | セイコーエプソン株式会社 | Memsデバイス、液体噴射ヘッド、及び、液体噴射装置 |
JP2018103395A (ja) * | 2016-12-22 | 2018-07-05 | コニカミノルタ株式会社 | インクジェットヘッド及びインクジェット記録装置 |
JP6972605B2 (ja) * | 2017-03-23 | 2021-11-24 | セイコーエプソン株式会社 | 液体吐出ヘッド及び液体吐出装置 |
JP6992266B2 (ja) * | 2017-03-23 | 2022-01-13 | セイコーエプソン株式会社 | 液体吐出ヘッド及び液体吐出装置 |
JP6926647B2 (ja) * | 2017-05-09 | 2021-08-25 | セイコーエプソン株式会社 | 実装構造体、超音波デバイス、超音波探触子、超音波装置、及び電子機器 |
CN109318594B (zh) * | 2017-07-31 | 2020-09-01 | 精工爱普生株式会社 | 液体喷射头、液体喷射装置以及压电器件 |
CN109484030B (zh) * | 2017-09-13 | 2021-01-12 | 精工爱普生株式会社 | 液体喷射头、液体喷射装置以及压电器件 |
JP7000833B2 (ja) * | 2017-12-13 | 2022-01-19 | 株式会社リコー | 液体吐出ヘッド、液体吐出ユニット及び液体を吐出する装置 |
EP3730453B1 (en) * | 2018-02-09 | 2023-08-02 | Murata Manufacturing Co., Ltd. | Mems vibrator |
JP7186540B2 (ja) | 2018-08-06 | 2022-12-09 | キヤノン株式会社 | 液体吐出ヘッド用基板、液体吐出ヘッド、および、液体吐出装置 |
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JP7310133B2 (ja) * | 2018-12-26 | 2023-07-19 | セイコーエプソン株式会社 | 液体噴射ユニット |
JP2021106183A (ja) | 2019-12-26 | 2021-07-26 | セイコーエプソン株式会社 | 圧電デバイス、及びmemsデバイス |
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JPH07169661A (ja) | 1993-12-16 | 1995-07-04 | Matsushita Electric Ind Co Ltd | 電子音響集積回路 |
JP3613302B2 (ja) | 1995-07-26 | 2005-01-26 | セイコーエプソン株式会社 | インクジェット式記録ヘッド |
JP2003341060A (ja) * | 1995-07-26 | 2003-12-03 | Seiko Epson Corp | インクジェット式記録ヘッド |
JP2000351217A (ja) * | 1999-06-11 | 2000-12-19 | Hitachi Koki Co Ltd | インクジェットヘッドの製造方法 |
JP3714073B2 (ja) * | 1999-12-15 | 2005-11-09 | セイコーエプソン株式会社 | インクジェットヘッド |
WO2001075985A1 (fr) * | 2000-03-30 | 2001-10-11 | Fujitsu Limited | Actionneur piezoelectrique, son procede de fabrication et tete a jet d'encre dotee de cet actionneur |
JP2002292871A (ja) | 2001-04-02 | 2002-10-09 | Seiko Epson Corp | インクジェット式記録ヘッド及びインクジェット式記録装置 |
JP2007331137A (ja) * | 2006-06-12 | 2007-12-27 | Seiko Epson Corp | 液体噴射ヘッド及び液体噴射装置 |
JP5125314B2 (ja) * | 2007-08-22 | 2013-01-23 | セイコーエプソン株式会社 | 電子装置 |
JP5167870B2 (ja) * | 2008-03-05 | 2013-03-21 | セイコーエプソン株式会社 | 電子部品実装用基板及び電子部品の実装構造並びに水晶振動子パッケージ |
US8814328B2 (en) * | 2011-12-13 | 2014-08-26 | Xerox Corporation | Polymer film as an interstitial fill for PZT printhead fabrication |
JP2013162063A (ja) * | 2012-02-08 | 2013-08-19 | Seiko Epson Corp | 圧電素子、液体噴射ヘッド及び液体噴射装置 |
JP6044200B2 (ja) * | 2012-09-06 | 2016-12-14 | ブラザー工業株式会社 | 液体噴射装置 |
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