JP2012156493A - 圧電素子、液体吐出ヘッド、超音波モータおよび塵埃除去装置 - Google Patents
圧電素子、液体吐出ヘッド、超音波モータおよび塵埃除去装置 Download PDFInfo
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- JP2012156493A JP2012156493A JP2011275097A JP2011275097A JP2012156493A JP 2012156493 A JP2012156493 A JP 2012156493A JP 2011275097 A JP2011275097 A JP 2011275097A JP 2011275097 A JP2011275097 A JP 2011275097A JP 2012156493 A JP2012156493 A JP 2012156493A
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- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 110
- 239000013078 crystal Substances 0.000 claims abstract description 69
- 229910002113 barium titanate Inorganic materials 0.000 claims abstract description 46
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims abstract description 46
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 34
- 229910052748 manganese Inorganic materials 0.000 claims description 34
- 239000011572 manganese Substances 0.000 claims description 34
- 238000004220 aggregation Methods 0.000 abstract description 3
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- 229910052751 metal Inorganic materials 0.000 description 29
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- 239000010931 gold Substances 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
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- 239000000203 mixture Substances 0.000 description 5
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- 229910052788 barium Inorganic materials 0.000 description 4
- 238000001739 density measurement Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 238000009681 x-ray fluorescence measurement Methods 0.000 description 4
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 3
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000001553 barium compounds Chemical class 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 229910021523 barium zirconate Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
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- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
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- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- -1 oxide Substances 0.000 description 2
- 239000011163 secondary particle Substances 0.000 description 2
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- 229910052712 strontium Inorganic materials 0.000 description 2
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- 229910052718 tin Inorganic materials 0.000 description 2
- 150000003609 titanium compounds Chemical class 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- DJOYTAUERRJRAT-UHFFFAOYSA-N 2-(n-methyl-4-nitroanilino)acetonitrile Chemical compound N#CCN(C)C1=CC=C([N+]([O-])=O)C=C1 DJOYTAUERRJRAT-UHFFFAOYSA-N 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 1
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- GXUARMXARIJAFV-UHFFFAOYSA-L barium oxalate Chemical compound [Ba+2].[O-]C(=O)C([O-])=O GXUARMXARIJAFV-UHFFFAOYSA-L 0.000 description 1
- 229940094800 barium oxalate Drugs 0.000 description 1
- DQBAOWPVHRWLJC-UHFFFAOYSA-N barium(2+);dioxido(oxo)zirconium Chemical compound [Ba+2].[O-][Zr]([O-])=O DQBAOWPVHRWLJC-UHFFFAOYSA-N 0.000 description 1
- QKYBEKAEVQPNIN-UHFFFAOYSA-N barium(2+);oxido(oxo)alumane Chemical compound [Ba+2].[O-][Al]=O.[O-][Al]=O QKYBEKAEVQPNIN-UHFFFAOYSA-N 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
- 239000001639 calcium acetate Substances 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
- 235000011092 calcium acetate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 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
- 229940071125 manganese acetate Drugs 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 238000009768 microwave sintering Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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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
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
- B08B7/026—Using sound waves
- B08B7/028—Using ultrasounds
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/106—Langevin motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/16—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using travelling waves, i.e. Rayleigh surface waves
- H02N2/163—Motors with ring stator
-
- 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
- H10N30/01—Manufacture or treatment
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/093—Forming inorganic materials
- H10N30/097—Forming inorganic materials by sintering
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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
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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
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8536—Alkaline earth metal based oxides, e.g. barium titanates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Semiconductor Memories (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
【解決手段】一対の電極401,402と、一対の電極401,402に接して設けられた圧電材料403を少なくとも有する圧電素子410であって、圧電材料403はチタン酸バリウムを主成分とする結晶粒404、409の集合体405からなり、集合体405の結晶粒の中の少なくとも電極401と接している結晶粒404が、粒内に転位層407を有する。
【選択図】図1
Description
上記の課題を解決するための液体吐出ヘッドは、前記の圧電素子を用いた液体吐出ヘッドである。
上記の課題を解決するための超音波モータは、前記の圧電素子を用いた超音波モータである。
上記の課題を解決するための塵埃除去装置は、前記の圧電素子を用いた塵埃除去装置である。
また、本発明は、前記圧電素子を用いた液体吐出ヘッド、超音波モータおよび塵埃除去装置を提供することができる。
マンガンを添加した転位層を有する圧電素子の例を示す。
マンガンを添加した転位層がない圧電素子の例を示す。
マンガンを添加していない転位層がある圧電素子の例を示す。
マンガンを添加していない転位層がない圧電素子の例を示す。
マンガンを添加した転位層がある小粒径粒子で構成される圧電素子の例を示す。
マンガンを添加した転位層がない小粒径粒子で構成される圧電素子の例を示す。
カルシウム成分およびジルコニウム成分を有するチタン酸バリウムであって、マンガンを添加した転位層を有する圧電素子の例を示す。
カルシウム成分およびジルコニウム成分を有するチタン酸バリウムであって、マンガンを添加した転位層がない圧電素子の例を示す。
分極処理までは実施例4と同様の工程で作製し、転位層のない圧電素子を得た。圧電材料の形状は、12mm×3mm×1mmの短冊状とした。
実施例1と同じ圧電材料を用いて、図2に示される液体吐出ヘッドを作製した。入力した電気信号に追随したインクの吐出が確認された。
実施例1と同じ圧電材料を用いて、図3に示される超音波モータ作製した。交番電圧の印加に応じたモータの回転挙動が確認された。
実施例1と同じ圧電材料を用いて、図7に示される塵埃除去装置を作製した。プラスチック製ビーズを散布し、交番電圧を印加したところ、良好な塵埃除去率が確認された。
102 個別液室
103 振動板
105 吐出口
106 連通孔
107 共通液室
108 バッファ層
202 ローター
205 ローター
201、204 振動子
2012 圧電素子
2042 圧電素子
401、402 電極
403 圧電材料
404 結晶粒
405 集合体
407 転位層
409 結晶粒
410 圧電素子
Claims (9)
- 一対の電極と、前記一対の電極に接して設けられた圧電材料を少なくとも有する圧電素子であって、前記圧電材料はチタン酸バリウムを主成分とする結晶粒の集合体からなり、前記集合体の結晶粒の中の少なくとも前記電極と接している結晶粒が、粒内に転位層を有することを特徴とする圧電素子。
- 前記転位層を有する結晶粒のうち、前記電極に垂直方向の粒径Rが2μm以上である結晶粒において、前記転位層の厚さDがR以下であることを特徴とする請求項1に記載の圧電素子。
- 前記転位層が、同一の結晶粒の内部において同一方向に分極されていることを特徴とする請求項1または2に記載の圧電素子。
- 前記圧電材料の前記電極と接する表面部のヤング率が、圧電材料全体のヤング率より小さいことを特徴とする請求項1乃至3のいずれかに記載の圧電素子。
- 前記圧電材料がマンガン成分を含んでいることを特徴とする請求項1乃至4のいずれかに記載の圧電素子。
- 前記圧電材料の厚さは50μm以上10mm以下であることを特徴とする請求項1乃至5のいずれかに記載の圧電素子。
- 請求項1乃至6のいずれかに記載の圧電素子を配した振動部を備えた液室と、前記液室と連通する吐出口を有する液体吐出ヘッド。
- 請求項1乃至6のいずれかに記載の圧電素子を配した振動体と、前記振動体と接触する移動体を有する超音波モータ。
- 請求項1乃至6のいずれかに記載の圧電素子を配した振動体を有する塵埃除去装置。
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JP2011275097A JP6004640B2 (ja) | 2011-01-07 | 2011-12-15 | 圧電素子、液体吐出ヘッド、超音波モータ、塵埃除去装置、およびデバイス |
EP11813578.9A EP2641283B1 (en) | 2011-01-07 | 2011-12-22 | Piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device |
CN201180064223.9A CN103283051B (zh) | 2011-01-07 | 2011-12-22 | 压电元件、液体排出头、超声马达和灰尘去除装置 |
KR1020137020167A KR101497857B1 (ko) | 2011-01-07 | 2011-12-22 | 압전 소자, 액체 토출 헤드, 초음파 모터, 및 진애 제거 장치 |
PCT/JP2011/080550 WO2012093646A1 (en) | 2011-01-07 | 2011-12-22 | Piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device |
US13/977,915 US9825213B2 (en) | 2011-01-07 | 2011-12-22 | Piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device |
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CN103283051B (zh) | 2016-01-13 |
US20140084750A1 (en) | 2014-03-27 |
CN103283051A (zh) | 2013-09-04 |
JP6004640B2 (ja) | 2016-10-12 |
EP2641283A1 (en) | 2013-09-25 |
KR20130120504A (ko) | 2013-11-04 |
KR101497857B1 (ko) | 2015-03-02 |
WO2012093646A1 (en) | 2012-07-12 |
US9825213B2 (en) | 2017-11-21 |
EP2641283B1 (en) | 2017-06-28 |
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