KR100239285B1 - 적층압전소자 및 진동파 발동기 - Google Patents
적층압전소자 및 진동파 발동기 Download PDFInfo
- Publication number
- KR100239285B1 KR100239285B1 KR1019960002054A KR19960002054A KR100239285B1 KR 100239285 B1 KR100239285 B1 KR 100239285B1 KR 1019960002054 A KR1019960002054 A KR 1019960002054A KR 19960002054 A KR19960002054 A KR 19960002054A KR 100239285 B1 KR100239285 B1 KR 100239285B1
- Authority
- KR
- South Korea
- Prior art keywords
- piezoelectric element
- multilayer piezoelectric
- surface electrode
- electrode
- electrodes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
- H10N30/503—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane orthogonal to the stacking direction, e.g. polygonal or circular in top view
- H10N30/505—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane orthogonal to the stacking direction, e.g. polygonal or circular in top view the cross-section being annular
-
- 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
- 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
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
- H10N30/053—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by integrally sintering piezoelectric or electrostrictive bodies and electrodes
-
- 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
- H10N30/06—Forming electrodes or interconnections, e.g. leads or terminals
- H10N30/063—Forming interconnections, e.g. connection electrodes of multilayered piezoelectric or electrostrictive parts
-
- 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
- H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices
-
- 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
- H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices
- H10N30/874—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices embedded within piezoelectric or electrostrictive material, e.g. via connections
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
Claims (21)
- 면적이 0.002㎟ 내지 0.2㎟의 범위내이고, 적층압전소자의 표면에 형성되어 이 적층압전소자의 내부전극에 접속된 표면전극과, 레벨차가 20㎛이하이고, 상기 표면전극이 형성된 표면에서 해당 표면전극을 제외한 전극이 형성되어 있지 않은 영역인 제 1영역으로 구성된 것을 특징으로 하는 적층압전소자.
- 제1항에 있어서, 상기 표면전극은 제 1영역보다 돌출된 것을 특징으로 하는 적층압전소자.
- 제2항에 있어서, 상기 표면전극의 돌출량이 1㎛ 내지 20㎛의 범위에 있도록 설정한 것을 특징으로 하는 적층압전소자.
- 제1항에 있어서, 상기 적층압전소자는 대략 원통형상이고, 상기 표면전극은 상기 적층압전소자의 상하면 중 적어도 한면에 축방향으로 형성되어 있으며, 상기 상하면은 모두 레벨차가 20㎛이하인 것을 특징으로 하는 적층압전소자.
- 제3항에 있어서, 상기 적층압전소자는 대략 원통형상이고, 상기 표면전극은 상기 적층압전소자의 상하면 중 적어도 한면에 축방향으로 형성되어 있으며, 상기 상하면은 모두 레벨차가 20㎛이하인 것을 특징으로 하는 적층압전소자.
- 제1항에 있어서, 상기 적층압전소자의 내부에 형성되어, 상기 소자의 내부에 형성된 층간배선에 의해 접속되는 복수의 전극을 부가하여 구비한 것을 특징으로 하는 적층압전소자.
- 제4항에 있어서, 상기 적층압전소자의 내부에 형성되어, 상기 소자의 내부에 형성된 층간배선에 의해 접속되는 복수의 전극을 부가하여 구비한 것을 특징으로 하는 적층압전소자.
- 제1항에 있어서, 상기 적층압전소자는 복수의 적층세라믹판을 소성하여 제조한 것을 특징으로 하는 적층압전소자.
- 제4항에 있어서, 상기 적층압전소자는 복수의 적층세라믹판을 소성하여 제조한 것을 특징으로 하는 적층압전소자.
- 제6항에 있어서, 상기 적층압전소자는 복수의 적층세라믹판을 소성하여 제조한 것을 특징으로 하는 적층압전소자.
- 제4항에 있어서, 상기 표면전극과 각각 동일한 복수의 표면전극이 주변단부위치에 형성된 것을 특징으로 하는 적층압전소자.
- 제4항에 있어서, 상기 적층압전소자에 중앙 구멍부를 형성하고, 상기 구멍부의 주변단부 근방에 상기 표면전극과 각각 동일한 복수의 표면전극을 형성한 것을 특징으로 하는 적층압전소자.
- 적층압전소자와 기능적으로 접촉하는 진동부재를 구비한, 적층압전소자를 사용한 진동파발동기에 있어서, 면적이 0.002㎟ 내지 0.2㎟인 표면전극이 상기 소자의 표면에 형성되어 적층압전소자의 내부전극에 접속되고, 상기 표면전극이 형성되어 있는 표면에서 해당 표면전극을 제외한 전극이 형성되어 있지 않은 영역인 제 1영역의 레벨차를 20㎛가 되도록 설정한 것을 특징으로 하는 진동파발동기.
- 제13항에 있어서, 상기 표면전극이 형성되어 있는 표면과 가압접촉하는 회로기판을 부가하여 구비하고, 상기 회로기판을 통하여 상기 소자에 전력을 공급하는 것을 특징으로 하는 진동파발동기.
- 제14항에 있어서, 상기 회로기판은 가요성회로기판인 것을 특징으로 하는 진동파발동기.
- 제13항에 있어서, 상기 진동부재와 접촉하여 구동되는 접촉부재를 부가하여 구비하고, 상기 진동부재와 상기 접촉부재는 서로 상대이동하는 것을 특징으로 하는 진동파발동기.
- 제13항에 있어서, 상기 표면전극은 상기 제 1영역보다 돌출된 것을 특징으로 하는 진동파발동기.
- 제17항에 있어서, 상기 표면전극의 돌출량이 1㎛ 내지 20㎛의 범위에 있도록 설정한 것을 특징으로 하는 진동파발동기.
- 제18항에 있어서, 상기 적층압전소자는 대략 원통형상이고, 상기 표면전극은 상기 적층압전소자의 상하면 중 적어도 한면에 축방향으로 형성되어 있으며, 상기 상하면은 모두 레벨차가 20㎛이하인 것을 특징으로 하는 진동파발동기.
- 제13항에 있어서, 상기 적층압전소자의 내부에 복수의 전극을 형성하여, 상기 소자의 내부에 형성된 층간배선에 의해 상기 복수의 전극을 접속하는 것을 특징으로 하는 진동파발동기.
- 제13항에 있어서, 상기 적층압전소자는 복수의 적층세라믹판을 소성하여 제조한 것을 특징으로 하는 진동파발동기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP95-34310 | 1995-01-31 | ||
JP03431095A JP3432321B2 (ja) | 1995-01-31 | 1995-01-31 | 積層セラミックス圧電体素子 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100239285B1 true KR100239285B1 (ko) | 2000-01-15 |
Family
ID=12410597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960002054A Expired - Lifetime KR100239285B1 (ko) | 1995-01-31 | 1996-01-30 | 적층압전소자 및 진동파 발동기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5770916A (ko) |
EP (1) | EP0725450B1 (ko) |
JP (1) | JP3432321B2 (ko) |
KR (1) | KR100239285B1 (ko) |
DE (1) | DE69607666T2 (ko) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
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DE69416989T2 (de) * | 1993-12-27 | 1999-08-26 | Canon K.K. | Vibrationswellenantrieb |
JP4026885B2 (ja) | 1997-05-16 | 2007-12-26 | キヤノン株式会社 | 圧電素子および振動型駆動装置 |
US6628046B2 (en) | 1997-05-27 | 2003-09-30 | Canon Kabushiki Kaisha | Vibration type actuator |
US6404104B1 (en) | 1997-11-27 | 2002-06-11 | Canon Kabushiki Kaisha | Vibration type actuator and vibration type driving apparatus |
US6291932B1 (en) | 1998-02-17 | 2001-09-18 | Canon Kabushiki Kaisha | Stacked piezoelectric element and producing method therefor |
US6643906B2 (en) | 1998-12-09 | 2003-11-11 | Canon Kabushiki Kaisha | Friction member, and vibration wave device and apparatus using friction member |
DE19909482A1 (de) * | 1999-03-04 | 2000-09-07 | Bosch Gmbh Robert | Piezoelektrischer Aktor |
JP4328412B2 (ja) | 1999-05-14 | 2009-09-09 | キヤノン株式会社 | 振動型アクチュエータおよび振動型駆動装置 |
US6690101B2 (en) | 2000-03-23 | 2004-02-10 | Elliptec Resonant Actuator Ag | Vibratory motors and methods of making and using same |
JP2001352768A (ja) | 2000-06-05 | 2001-12-21 | Canon Inc | 積層電気−機械エネルギー変換素子および振動波駆動装置 |
US6930436B2 (en) * | 2001-01-22 | 2005-08-16 | Canon Kabushiki Kaisha | Vibration element and vibration wave driving apparatus |
JP4726167B2 (ja) * | 2001-03-12 | 2011-07-20 | キヤノン株式会社 | 振動波駆動装置 |
JP5062927B2 (ja) * | 2001-05-22 | 2012-10-31 | キヤノン株式会社 | 振動波駆動装置 |
JP4878691B2 (ja) * | 2001-03-30 | 2012-02-15 | キヤノン株式会社 | 積層電気−機械エネルギー変換素子 |
US6933657B2 (en) | 2001-03-30 | 2005-08-23 | Canon Kabushiki Kaisha | Stacked electro-mechanical energy conversion element and method of manufacturing the same |
JP4731723B2 (ja) * | 2001-05-24 | 2011-07-27 | キヤノン株式会社 | 振動波駆動装置の製造方法 |
JP2003009555A (ja) * | 2001-06-25 | 2003-01-10 | Canon Inc | 積層電気−機械エネルギー変換素子および振動波駆動装置 |
JP5031153B2 (ja) * | 2001-07-31 | 2012-09-19 | キヤノン株式会社 | 積層電気−機械エネルギー変換素子および振動波駆動装置 |
DE10141820A1 (de) * | 2001-08-27 | 2003-03-20 | Elliptec Resonant Actuator Ag | Piezomotor mit Kupferelektroden |
DE10146703A1 (de) | 2001-09-21 | 2003-04-10 | Elliptec Resonant Actuator Ag | Piezomotor mit Führung |
DE10146704A1 (de) * | 2001-09-21 | 2003-04-10 | Elliptec Resonant Actuator Ag | Piezomotoren mit Piezoelementen, hergestellt nach dem Keramikkondensatorverfahren |
JP4027090B2 (ja) * | 2001-12-27 | 2007-12-26 | キヤノン株式会社 | 振動体および振動波駆動装置 |
US7187102B2 (en) | 2002-02-06 | 2007-03-06 | Elliptec Resonant Actuator Ag | Piezoelectric motor control |
US7368853B2 (en) | 2002-04-22 | 2008-05-06 | Elliptec Resonant Actuator Aktiengesellschaft | Piezoelectric motors and methods for the production and operation thereof |
JP2004297951A (ja) * | 2003-03-27 | 2004-10-21 | Olympus Corp | 超音波振動子及び超音波モータ |
JP4697929B2 (ja) * | 2003-11-13 | 2011-06-08 | キヤノン株式会社 | 積層圧電素子及び振動波駆動装置 |
JP2006004980A (ja) | 2004-06-15 | 2006-01-05 | Canon Inc | 積層電気−機械エネルギー変換素子及び振動波駆動装置 |
JP4756916B2 (ja) * | 2005-05-31 | 2011-08-24 | キヤノン株式会社 | 振動波モータ |
JP5074674B2 (ja) * | 2005-07-04 | 2012-11-14 | キヤノン株式会社 | 積層圧電素子および振動波モータ |
JP4881062B2 (ja) | 2006-05-15 | 2012-02-22 | キヤノン株式会社 | 積層圧電素子、その製造方法および振動波駆動装置 |
JP5786224B2 (ja) * | 2011-03-10 | 2015-09-30 | キヤノン株式会社 | 圧電素子、圧電素子を有する圧電アクチュエータおよび振動波モータ |
EP3291579A4 (en) * | 2015-04-27 | 2019-04-24 | Olympus Corporation | PROCESS FOR PRODUCING ULTRASONIC TRANSDUCER AND ULTRASONIC TRANSDUCER |
CN107134944A (zh) * | 2017-05-09 | 2017-09-05 | 中国工程物理研究院材料研究所 | 一种新型压电陶瓷驱动器及由其构成的超声电机 |
JP7013151B2 (ja) | 2017-07-13 | 2022-01-31 | キヤノン株式会社 | 積層圧電素子、振動子、振動波モータ、光学機器および電子機器 |
USD1049063S1 (en) * | 2019-12-23 | 2024-10-29 | Tdk Corporation | Vibration element for an actuator |
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EP0094078B1 (en) * | 1982-05-11 | 1988-11-02 | Nec Corporation | Multilayer electrostrictive element which withstands repeated application of pulses |
JPS5943356A (ja) * | 1982-09-06 | 1984-03-10 | Kureha Chem Ind Co Ltd | 超音波探触子 |
JPS61139112A (ja) * | 1984-12-10 | 1986-06-26 | Murata Mfg Co Ltd | 周波数調整可能な積層型圧電素子 |
EP0220320B1 (en) * | 1985-04-11 | 1996-08-28 | Toyo Communication Equipment Co.,Ltd. | Piezo-electric resonator for generating overtones |
JP2567046B2 (ja) * | 1987-09-25 | 1996-12-25 | 日立金属株式会社 | 積層型変位素子 |
JP2935504B2 (ja) * | 1989-07-05 | 1999-08-16 | キヤノン株式会社 | モータ |
JPH03117384A (ja) * | 1989-09-28 | 1991-05-20 | Canon Inc | 超音波モータの摩擦材 |
US5356500A (en) * | 1992-03-20 | 1994-10-18 | Rutgers, The State University Of New Jersey | Piezoelectric laminate films and processes for their manufacture |
DE69315767T2 (de) * | 1992-08-25 | 1998-05-07 | Canon Kk | Verfahren zur Herstellung einer laminierten piezoelektrischen Anordnung und Polarisationsverfahren und vibrationswellengetriebener Motor |
US5271133A (en) * | 1992-09-21 | 1993-12-21 | Caterpillar Inc. | Method for making a piezoelectric stack |
JP3241129B2 (ja) * | 1992-11-20 | 2001-12-25 | 太平洋セメント株式会社 | 振動波モータ用の積層型圧電素子及びその製造方法 |
-
1995
- 1995-01-31 JP JP03431095A patent/JP3432321B2/ja not_active Expired - Lifetime
-
1996
- 1996-01-24 US US08/592,859 patent/US5770916A/en not_active Expired - Lifetime
- 1996-01-25 DE DE69607666T patent/DE69607666T2/de not_active Expired - Lifetime
- 1996-01-25 EP EP96300503A patent/EP0725450B1/en not_active Expired - Lifetime
- 1996-01-30 KR KR1019960002054A patent/KR100239285B1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3432321B2 (ja) | 2003-08-04 |
EP0725450B1 (en) | 2000-04-12 |
DE69607666T2 (de) | 2000-08-31 |
EP0725450A1 (en) | 1996-08-07 |
JPH08213664A (ja) | 1996-08-20 |
US5770916A (en) | 1998-06-23 |
DE69607666D1 (de) | 2000-05-18 |
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