JP5472596B2 - 液体噴射ヘッド及びそれを用いた液体噴射装置 - Google Patents
液体噴射ヘッド及びそれを用いた液体噴射装置 Download PDFInfo
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- 239000007788 liquid Substances 0.000 title claims description 36
- 239000000758 substrate Substances 0.000 claims description 72
- 239000013078 crystal Substances 0.000 claims description 30
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- 229910004121 SrRuO Inorganic materials 0.000 claims description 10
- 229910002367 SrTiO Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052797 bismuth Inorganic materials 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- 230000001681 protective effect Effects 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000004891 communication Methods 0.000 description 10
- 238000003980 solgel method Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000002243 precursor Substances 0.000 description 7
- 238000005238 degreasing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
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- 238000004544 sputter deposition Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
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- 239000007772 electrode material Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000000992 sputter etching Methods 0.000 description 2
- 238000000018 DNA microarray Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- RVLXVXJAKUJOMY-UHFFFAOYSA-N lanthanum;oxonickel Chemical compound [La].[Ni]=O RVLXVXJAKUJOMY-UHFFFAOYSA-N 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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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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- B41J2/015—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B41J2/16—Production of nozzles
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- H10N30/00—Piezoelectric or electrostrictive devices
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- H10N30/074—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
- H10N30/077—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing by liquid phase deposition
- H10N30/078—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing by liquid phase deposition by sol-gel deposition
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- H10N30/074—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
- H10N30/079—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing using intermediate layers, e.g. for growth control
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- H10N30/706—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings characterised by the underlying bases, e.g. substrates
- H10N30/708—Intermediate layers, e.g. barrier, adhesion or growth control buffer layers
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- B41J2/01—Ink jet
- B41J2/135—Nozzles
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- B41J2002/14241—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm having a cover around the piezoelectric thin film element
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Description
ここで、前記第1電極がSrRuO 3 からなることが好ましい。第1電極がSrRuO 3 からなることで、シード層を(001)面に優先配向させやすい。
また、前記圧電素子が一方面に設けられると共に、ノズル開口に連通する圧力発生室を備えた流路形成基板が、前記圧力発生室が形成された面の結晶面方位が(001)面に優先配向したシリコン基板であることが好ましい。流路形成基板が(001)面に優先配向したシリコン基板であることで、流路形成基板上に形成される各膜が(001)面に優先配向させやすい。
この前記(001)面に優先配向したシリコン基板からなる前記流路形成基板と前記第1電極との間にSrTiO 3 からなる弾性膜が形成されていることが好ましい。弾性膜として(001)面に優先配向させたSrTiO 3 を用いることで、より圧電体膜を(001)面に優先配向させやすい。
本発明の液体噴射装置は、前記した液体噴射ヘッドを備えたことを特徴とする。液体噴射ヘッドを備えることで、圧電素子でのリークが抑制され、かつ、オフセット電圧が低下しているので、信頼性が高く、かつ、低電圧で駆動することが可能である。
別の態様の液体噴射ヘッドは、第1電極と、前記第1電極上に設けられ、結晶面方位が(001)面に優先配向したBiFeO3を有するシード層と、前記シード層上に設けられ、結晶面方位が(001)面に優先配向したペロブスカイト構造の(Bi、Nd)(Fe、Mn、Al)O3組成を含む圧電体層と、前記圧電体層上に設けられた第2電極とを備えた圧電素子を備えることを特徴とする。別の態様の発明では、圧電体層に鉛を含有せず、また、(Bi、Nd)(Fe、Mn、Al)O3組成を含有し、さらにまた、圧電体層が(001)面に優先配向したことでリークを抑制でき、かつオフセット電圧を低くすることができる。
図1は、本発明の実施形態1に係る液体噴射ヘッドの一例であるインクジェット式記録ヘッドの概略構成を示す分解斜視図であり、図2は、図1の平面図及びそのA−A′断面図である。
図3〜図5を用いて本実施形態のインクジェット式記録ヘッドの製造方法について説明する。図3〜図5は、本実施形態のインクジェット式記録ヘッドの製造方法を示す断面図である。
図8に示すインクジェット式記録装置IIにおいて、インクジェット式記録ヘッドIを有する記録ヘッドユニット1A及び1Bは、インク供給手段を構成するカートリッジ2A及び2Bが着脱可能に設けられ、この記録ヘッドユニット1A及び1Bを搭載したキャリッジ3は、装置本体4に取り付けられたキャリッジ軸5に軸方向移動自在に設けられている。この記録ヘッドユニット1A及び1Bは、例えば、それぞれブラックインク組成物及びカラーインク組成物を吐出するものとしている。
Claims (5)
- 第1電極と、前記第1電極上に設けられ、結晶面方位が(001)面に優先配向したBiFeO3を有するシード層と、前記シード層上に設けられ、結晶面方位が(001)面に優先配向したペロブスカイト構造の(Bi、Nd)(Fe、Mn、Al)O3組成を含む圧電体層と、前記圧電体層上に設けられた第2電極とを備えた圧電素子を備え、
前記シード層は、膜厚が20nm〜200nmであることを特徴とする液体噴射ヘッド。 - 前記第1電極がSrRuO3からなることを特徴とする請求項1に記載の液体噴射ヘッド。
- 前記圧電素子が一方面に設けられると共に、ノズル開口に連通する圧力発生室を備えた流路形成基板が、前記圧力発生室が形成された面の結晶面方位が(001)面に優先配向したシリコン基板であることを特徴とする請求項1又は2に記載の液体噴射ヘッド。
- 前記(001)面に優先配向したシリコン基板からなる前記流路形成基板と前記第1電極との間にSrTiO3からなる弾性膜が形成されていることを特徴とする請求項3に記載の液体噴射ヘッド。
- 請求項1〜4のいずれか一項に記載の液体噴射ヘッドを備えたことを特徴とする液体噴射装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009197409A JP5472596B2 (ja) | 2009-08-27 | 2009-08-27 | 液体噴射ヘッド及びそれを用いた液体噴射装置 |
US12/868,893 US8919933B2 (en) | 2009-08-27 | 2010-08-26 | Liquid ejecting head and liquid ejecting apparatus using the same |
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JP2009197409A JP5472596B2 (ja) | 2009-08-27 | 2009-08-27 | 液体噴射ヘッド及びそれを用いた液体噴射装置 |
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JP2011046129A JP2011046129A (ja) | 2011-03-10 |
JP5472596B2 true JP5472596B2 (ja) | 2014-04-16 |
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JP2012230947A (ja) * | 2011-04-25 | 2012-11-22 | Seiko Epson Corp | 液体噴射ヘッドの製造方法、液体噴射装置の製造方法及び圧電素子の製造方法 |
JP5799294B2 (ja) * | 2011-07-29 | 2015-10-21 | 株式会社ユーテック | 強誘電体膜 |
JP5975210B2 (ja) * | 2012-03-26 | 2016-08-23 | セイコーエプソン株式会社 | 圧電素子、液体噴射ヘッド、液体噴射装置、超音波デバイス及びセンサー並びに圧電素子の製造方法 |
JP6037123B2 (ja) | 2013-01-30 | 2016-11-30 | セイコーエプソン株式会社 | 液体噴射ヘッド、液体噴射装置、圧電素子及びセンサー |
JP6519735B2 (ja) | 2014-03-24 | 2019-05-29 | セイコーエプソン株式会社 | 圧電素子及び圧電素子応用デバイス |
JP6350810B2 (ja) * | 2014-06-05 | 2018-07-04 | セイコーエプソン株式会社 | 圧電材料、圧電素子、液体噴射ヘッド、液体噴射装置及び超音波測定装置 |
JP7512672B2 (ja) * | 2020-05-20 | 2024-07-09 | セイコーエプソン株式会社 | 圧電素子、液体吐出ヘッドおよび液体吐出装置 |
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JP4051654B2 (ja) | 2000-02-08 | 2008-02-27 | セイコーエプソン株式会社 | 圧電体素子、インクジェット式記録ヘッド及びこれらの製造方法並びにインクジェットプリンタ |
JP4165347B2 (ja) * | 2003-06-25 | 2008-10-15 | セイコーエプソン株式会社 | 圧電素子の製造方法 |
JP4877451B2 (ja) * | 2004-01-23 | 2012-02-15 | セイコーエプソン株式会社 | 圧電素子の製造方法及び液体噴射ヘッド |
JP2005302933A (ja) * | 2004-04-09 | 2005-10-27 | Seiko Epson Corp | 圧電素子、圧電アクチュエーター、インクジェット式記録ヘッド、インクジェットプリンター、表面弾性波素子、周波数フィルタ、発振器、電子回路、薄膜圧電共振器、及び電子機器 |
JP2006086368A (ja) * | 2004-09-16 | 2006-03-30 | Seiko Epson Corp | 圧電素子、圧電アクチュエーター、圧電ポンプ、インクジェット式記録ヘッド、インクジェットプリンター、表面弾性波素子、周波数フィルタ、発振器、電子回路、薄膜圧電共振子、および電子機器 |
JP2006176966A (ja) * | 2004-12-21 | 2006-07-06 | Meisei Kogyo Kk | 支持金具 |
US20060288928A1 (en) * | 2005-06-10 | 2006-12-28 | Chang-Beom Eom | Perovskite-based thin film structures on miscut semiconductor substrates |
JP4091641B2 (ja) * | 2006-04-07 | 2008-05-28 | 富士フイルム株式会社 | 圧電素子とその製造方法、及びインクジェット式記録ヘッド |
JP4438963B2 (ja) * | 2006-11-29 | 2010-03-24 | セイコーエプソン株式会社 | 強誘電体キャパシタ |
JP5546105B2 (ja) * | 2007-01-19 | 2014-07-09 | 富士フイルム株式会社 | ペロブスカイト型酸化物とその製造方法、圧電体膜、圧電素子、液体吐出装置 |
JP2008311634A (ja) * | 2007-05-14 | 2008-12-25 | Fujifilm Corp | 圧電素子及びその駆動方法、圧電装置、液体吐出装置 |
JP2009070926A (ja) * | 2007-09-11 | 2009-04-02 | Tokyo Institute Of Technology | ペロブスカイト型酸化物薄膜の成膜方法および積層体 |
JP4931148B2 (ja) * | 2007-10-02 | 2012-05-16 | 富士フイルム株式会社 | ペロブスカイト型酸化物積層体及び圧電素子、液体吐出装置 |
JP4433214B2 (ja) * | 2007-10-23 | 2010-03-17 | セイコーエプソン株式会社 | 圧電素子の製造方法、および圧電素子 |
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