JP6080465B2 - 圧電材料、圧電素子、圧電音響部品、および電子機器 - Google Patents
圧電材料、圧電素子、圧電音響部品、および電子機器 Download PDFInfo
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- JP6080465B2 JP6080465B2 JP2012221969A JP2012221969A JP6080465B2 JP 6080465 B2 JP6080465 B2 JP 6080465B2 JP 2012221969 A JP2012221969 A JP 2012221969A JP 2012221969 A JP2012221969 A JP 2012221969A JP 6080465 B2 JP6080465 B2 JP 6080465B2
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- piezoelectric element
- piezoelectric
- piezoelectric material
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- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
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- 238000010030 laminating Methods 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
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- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
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- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
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- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
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- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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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
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- 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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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
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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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- B41J2/015—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
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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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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B35/6455—Hot isostatic pressing
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- 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
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- 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
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- 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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- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
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- H—ELECTRICITY
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- 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
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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
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- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/03—Specific materials used
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Description
(1−x){(NayBa1−z)(NbzTi1−z)O3}−xBiFeO3(式中、x、y、zは、0.0010≦x≦0.015、0.80≦y≦0.95、0.85≦z≦0.95を表す。)
(1−x){(NayBa1−z)(NbzTi1−z)O3}−xBiFeO3(式中、x、y、zは、0<x≦0.015、0.80≦y≦0.95、0.85≦z≦0.95を表す。)
BiFeO3成分を含まないNN−BTよりなる比較用の金属酸化物材料を作製した。原料には、炭酸ナトリウム(Na2CO3)、酸化ニオブ(Nb2O5)、チタン酸バリウム(BaTiO3)の粉末を用いた。チタン酸バリウム粉末は粒径100nmの市販品(堺化学社製、商品名BT01)を用いた。NN−BTを合成する際、ナトリウムとニオブのモル比が1:1となるように原料を秤量すると、焼結後の試料からBa4Nb2O9(ICDD35−1154)、Ba6Ti7Nb9O42(ICDD47−0522)、Ba3Nb4Ti4O21(ICDD70−1150)、Ba3Nb3.2Ti5O21(ICDD33−0170)の少なくとも一つと回折パターンが類似の不純物相が検出されることがあった。そのため、比較例1から3の金属酸化物材料を作製する際には、目的組成に対して3%過剰のナトリウムを秤量した。これにより不純物相の発生が顕著に抑制された。
比較例1から3と同様の方法で試料を作製し、本発明の圧電材料とした。ただし目的組成(1−x){(NayBa1−z)(NbzTi1−z)O3}−xBiFeO3(x=0.0010(実施例1)、0.0025(実施例2)、0.0050(実施例3)、0.0075(実施例4)、0.010(実施例5)、0.013(実施例6)、0.015(実施例7)、y=0.88、z=0.88)になるように鉄酸ビスマス(BiFeO3)の粉末を秤量して混合した。鉄酸ビスマスは、市販の酸化ビスマスと酸化鉄(III)を混合して800℃で5時間焼成することで事前に作製した。その他、酸化ビスマスと酸化鉄を目的の組成となるように秤量し、NN−BTと共に焼成しても同様の効果が得られた。焼結体は、成形体を最大温度1160℃、空気中で1から6時間焼成することにより得た。
実施例1から7と同様の方法で試料を作製し、本発明の圧電材料とした。ただしx=0.0010、0.0050、0.013、0.015、y=0.85、z=0.85になるように鉄酸ビスマス(BiFeO3)の粉末を秤量して混合した。焼結体は、成形体を最大温度1160℃、空気中で1から6時間焼成することにより得た。
実施例1から11と同様の方法で試料を作製し、本発明の圧電材料とした。ただしx=0.0010(実施例12)、0.0050(実施例13)、0.013(実施例14)、0.015(実施例15)、y=0.90、z=0.90になるように鉄酸ビスマス(BiFeO3)の粉末を秤量して混合した。焼結体は、成形体を最大温度1160℃、空気中で1から6時間焼成することにより得た。
実施例1から15と同様の方法で比較用の金属酸化物材料を作製した。ただしx=0.020、y=z=0.88(比較例4)、0.85(比較例5)、0.90(比較例6)になるように原料の粉末を秤量して混合した。焼結体は、成形体を最大温度1160℃、空気中で1から6時間焼成することにより得た。
実施例4と同様に原料の粉末を湿式混合して脱水乾燥し、1000℃から1100℃で仮焼して仮焼物を得た。この仮焼物に有機バインダーを加えて混合した後、ドクターブレード法によりシート形成して厚み50μmのグリーンシートを得た。
比較例1と同様に原料の粉末を湿式混合して脱水乾燥し、1000℃から1100℃で仮焼して仮焼物を得た。この原料に有機バインダーを加えて混合した後、ドクターブレード法によりシート形成して厚み50μmのグリーンシートを得た。
比較例7と同様にして厚み50μmのグリーンシートを得た。
実施例4の圧電素子を用いて、図3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17の液体吐出ヘッドを用いて、図4に示される液体吐出装置を作製した。入力した電気信号に追随したインクの吐出が記録媒体上に確認された。
実施例4の圧電素子を用いて、図6(b)に示される超音波モータを作製した。交流電圧の印加に応じたモータの回転が確認された。
実施例19の超音波モータを用いて、図7に示される光学機器を作製した。交流電圧の印加に応じたオートフォーカス動作が確認された。
実施例4の圧電素子を用いて、図9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、交流電圧を印加したところ、良好な塵埃除去率が確認された。
実施例21の塵埃除去装置を用いて、図12に示される撮像装置を作製した。動作させたところ、撮像ユニットの表面の塵を良好に除去し、塵欠陥の無い画像が得られた。
実施例16の積層圧電素子を用いて、図3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23の液体吐出ヘッドを用いて、図4に示される液体吐出装置を作製した。入力した電気信号に追随したインクの吐出が記録媒体上に確認された。
実施例16の積層圧電素子を用いて、図6(b)に示される超音波モータを作製した。交流電圧の印加に応じたモータの回転が確認された。
実施例25の超音波モータを用いて、図7に示される光学機器を作製した。交流電圧の印加に応じたオートフォーカス動作が確認された。
実施例16の積層圧電素子を用いて、図9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、交流電圧を印加したところ、良好な塵埃除去率が確認された。
実施例27の塵埃除去装置を用いて、図12に示される撮像装置を作製した。動作させたところ、撮像ユニットの表面の塵を良好に除去し、塵欠陥の無い画像が得られた。
実施例16の積層圧電素子を用いて、図14に示される電子機器を作製した。交流電圧の印加に応じたスピーカ動作が確認された。
2 圧電材料
3 第二の電極
101 圧電素子
102 個別液室
103 振動板
104 液室隔壁
105 吐出口
106 連通孔
107 共通液室
108 バッファ層
1011 第一の電極
1012 圧電材料
1013 第二の電極
201 振動子
202 ロータ
203 出力軸
204 振動子
205 ロータ
206 バネ
2011 弾性体リング
2012 圧電素子
2013 有機系接着剤
2041 金属弾性体
2042 積層圧電素子
310 塵埃除去装置
330 圧電素子
320 振動板
330 圧電素子
331 圧電材料
332 第1の電極
333 第2の電極
336 第1の電極面
337 第2の電極面
310 塵埃除去装置
320 振動板
330 圧電素子
51 第一の電極
53 第二の電極
54 圧電材料層
55 内部電極
501 第一の電極
503 第二の電極
504 圧電材料層
505 内部電極
506a 外部電極
506b 外部電極
601 カメラ本体
602 マウント部
605 ミラーボックス
606 メインミラー
200 シャッタユニット
300 本体シャーシ
400 撮像ユニット
701 前群レンズ
702 後群レンズ(フォーカスレンズ)
711 着脱マウント
712 固定筒
713 直進案内筒
714 前群鏡筒
715 カム環
716 後群鏡筒
717 カムローラ
718 軸ビス
719 ローラ
720 回転伝達環
722 コロ
724 マニュアルフォーカス環
725 超音波モータ
726 波ワッシャ
727 ボールレース
728 フォーカスキー
729 接合部材
732 ワッシャ
733 低摩擦シート
881 液体吐出装置
882 外装
883 外装
884 外装
885 外装
887 外装
890 回復部
891 記録部
892 キャリッジ
896 装置本体
897 自動給送部
898 排出口
899 搬送部
901 光学装置
908 レリーズボタン
909 ストロボ発光部
912 スピーカ
914 マイク
916 補助光部
931 本体
932 ズームレバー
933 電源ボタン
Claims (15)
- 下記一般式(1)で表わされるペロブスカイト型金属酸化物からなることを特徴とする圧電材料。
一般式(1)
(1−x){(NayBa1−z)(NbzTi1−z)O3}−xBiFeO3
(式中、x、y、zは、0.0010≦x≦0.015、0.80≦y≦0.95、0.85≦z≦0.95を表す。) - 前記圧電材料のキュリー温度が110℃以上であることを特徴とする請求項1に記載の圧電材料。
- 第一の電極、圧電材料を含有する圧電材料部および第二の電極を少なくとも有する圧電素子であって、前記圧電材料が請求項1乃至2のいずれかに記載の圧電材料であることを特徴とする圧電素子。
- 圧電材料層と、内部電極を含む電極層とが交互に積層された積層圧電素子であって、前記圧電材料が請求項1乃至2のいずれかに記載の圧電材料よりなることを特徴とする積層圧電素子。
- 前記内部電極がAgとPdを含み、前記Agの含有重量M1と前記Pdの含有重量M2との重量比M1/M2が1.5≦M1/M2≦9.0であることを特徴とする請求項4に記載の積層圧電素子。
- 前記内部電極がNiおよびCuの少なくともいずれか1種を含むことを特徴とする請求項4に記載の積層圧電素子。
- 請求項3に記載の圧電素子または請求項4乃至6のいずれかに記載の積層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少なくとも有する液体吐出ヘッド。
- 記録媒体の搬送部と請求項7に記載の液体吐出ヘッドを備えた液体吐出装置。
- 請求項3に記載の圧電素子または請求項4乃至6のいずれかに記載の積層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とを少なくとも有する超音波モータ。
- 駆動部に請求項9に記載の超音波モータを備えた光学機器。
- 請求項3に記載の圧電素子または請求項4乃至6のいずれかに記載の積層圧電素子を配した振動体を有する振動装置。
- 請求項11に記載の振動装置を振動部に備えた塵埃除去装置。
- 請求項12に記載の塵埃除去装置と撮像素子ユニットとを少なくとも有する撮像装置であって、前記塵埃除去装置の振動部材と前記撮像ユニットの受光面を同一軸上に順に設けたことを特徴とする撮像装置。
- 請求項3に記載の圧電素子または請求項4乃至6のいずれかに記載の積層圧電素子を備えた圧電音響部品。
- 請求項3に記載の圧電素子または請求項4乃至6のいずれかに記載の積層圧電素子を備えた電子機器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2012221969A JP6080465B2 (ja) | 2011-10-26 | 2012-10-04 | 圧電材料、圧電素子、圧電音響部品、および電子機器 |
KR1020147013936A KR101597926B1 (ko) | 2011-10-26 | 2012-10-22 | 압전 재료, 압전 소자 및 전자 기기 |
PCT/JP2012/077817 WO2013062120A1 (en) | 2011-10-26 | 2012-10-22 | Piezoelectric material, piezoelectric element, and electronic apparatus |
EP12798425.0A EP2771918B1 (en) | 2011-10-26 | 2012-10-22 | Piezoelectric material, piezoelectric element, and electronic apparatus |
CN201280052504.7A CN103907214A (zh) | 2011-10-26 | 2012-10-22 | 压电材料、压电元件和电子设备 |
US14/354,097 US9680086B2 (en) | 2011-10-26 | 2012-10-22 | Piezoelectric material, piezoelectric element, and electronic apparatus |
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JP2011235205 | 2011-10-26 | ||
JP2012221969A JP6080465B2 (ja) | 2011-10-26 | 2012-10-04 | 圧電材料、圧電素子、圧電音響部品、および電子機器 |
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US9450171B2 (en) * | 2012-04-19 | 2016-09-20 | Sae Magnetics (H.K.) Ltd. | Thin film piezoelectric element and manufacturing method thereof, micro-actuator, head gimbal assembly and disk drive unit with the same |
EP2873103B1 (en) * | 2012-08-27 | 2020-10-28 | Canon Kabushiki Kaisha | Piezoelectric material and piezoelectric element using the same, and electronic apparatus using the piezoelectronic element |
TWI518048B (zh) * | 2013-01-29 | 2016-01-21 | 佳能股份有限公司 | 壓電材料,壓電裝置,與電子設備 |
JP5754660B2 (ja) * | 2013-06-28 | 2015-07-29 | 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、超音波センサー、圧電モーター及び発電装置 |
JP2015038953A (ja) | 2013-06-28 | 2015-02-26 | 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、超音波センサー、圧電モーター及び発電装置 |
JP5761540B2 (ja) | 2013-06-28 | 2015-08-12 | 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、超音波センサー、圧電モーター及び発電装置 |
JP6362087B2 (ja) * | 2013-07-12 | 2018-07-25 | キヤノン株式会社 | 圧電材料、圧電素子、および電子機器 |
JP6261279B2 (ja) | 2013-10-16 | 2018-01-17 | キヤノン株式会社 | 振動型駆動装置の振動子、振動型駆動装置、交換レンズ、撮像装置、自動ステージ |
JP6268468B2 (ja) * | 2013-11-18 | 2018-01-31 | 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、超音波センサー、圧電モーター及び発電装置 |
EP3099649B1 (en) * | 2014-01-29 | 2018-07-25 | Canon Kabushiki Kaisha | Piezoelectric ceramic, method for producing the same, piezoelectric element, multilayer piezoelectric element, liquid ejection head, liquid ejecting apparatus, ultrasonic motor, optical device, vibrating apparatus, dust-removing apparatus, imaging apparatus, and electronic device |
US9425379B2 (en) * | 2014-03-24 | 2016-08-23 | Seiko Epson Corporation | Piezoelectric element and piezoelectric element application device |
US10333051B2 (en) * | 2014-08-28 | 2019-06-25 | Kyocera Corporation | Piezoelectric element, and acoustic generator, acoustic generation device, and electronic apparatus employing same |
JP6410568B2 (ja) * | 2014-10-31 | 2018-10-24 | キヤノン株式会社 | 振動波モータ及びそれを用いた光学機器 |
JP6478070B2 (ja) | 2014-12-26 | 2019-03-06 | セイコーエプソン株式会社 | 圧電材料及びその製造方法、並びに圧電素子及び圧電素子応用デバイス |
JP6541507B2 (ja) | 2015-08-21 | 2019-07-10 | キヤノン株式会社 | 撮像装置 |
JP7031586B2 (ja) * | 2016-06-30 | 2022-03-08 | 株式会社ニコン | 振動波モータ及び光学機器 |
JP6874351B2 (ja) * | 2016-12-07 | 2021-05-19 | Tdk株式会社 | 圧電薄膜積層体、圧電薄膜基板、圧電薄膜素子、圧電アクチュエータ、圧電センサ、ヘッドアセンブリ、ヘッドスタックアセンブリ、ハードディスクドライブ、プリンタヘッド、及びインクジェットプリンタ装置 |
KR20230052560A (ko) * | 2021-10-13 | 2023-04-20 | 삼성전기주식회사 | 커패시터 부품의 제조 방법 |
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TW429636B (en) * | 1998-02-18 | 2001-04-11 | Murata Manufacturing Co | Piezoelectric ceramic composition |
JP5164052B2 (ja) * | 2005-01-19 | 2013-03-13 | キヤノン株式会社 | 圧電体素子、液体吐出ヘッド及び液体吐出装置 |
CN100453501C (zh) * | 2005-04-28 | 2009-01-21 | 株式会社村田制作所 | 压电陶瓷组合物和压电陶瓷电子部件 |
US7591543B2 (en) * | 2005-08-23 | 2009-09-22 | Canon Kabushiki Kaisha | Piezoelectric member, piezoelectric member element, liquid discharge head in use thereof, liquid discharge apparatus and method of manufacturing piezoelectric member |
EP1950188B1 (en) | 2005-10-27 | 2016-07-27 | Kyocera Corporation | Piezoelectric ceramic composition and piezoelectric ceramic |
JP4100636B2 (ja) * | 2005-11-28 | 2008-06-11 | 本多電子株式会社 | 圧電セラミックス材料 |
JP5094334B2 (ja) * | 2006-12-25 | 2012-12-12 | 京セラ株式会社 | 圧電磁器および圧電素子 |
JP2009227535A (ja) | 2008-03-25 | 2009-10-08 | Panasonic Corp | 圧電性磁器組成物 |
JP2009286119A (ja) * | 2008-04-30 | 2009-12-10 | Seiko Epson Corp | 液体噴射ヘッド及び圧電素子 |
JP5217997B2 (ja) | 2008-10-20 | 2013-06-19 | Tdk株式会社 | 圧電磁器、振動子及び超音波モータ |
KR101340209B1 (ko) * | 2009-04-30 | 2013-12-10 | 캐논 가부시끼가이샤 | 압전 특성을 갖는 화합물, 압전 소자, 압전 소자를 사용한 액체 토출 헤드, 및 압전 소자를 사용한 초음파 모터 |
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US9680086B2 (en) | 2017-06-13 |
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KR101597926B1 (ko) | 2016-02-25 |
KR20140094574A (ko) | 2014-07-30 |
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