JP4358220B2 - 積層型圧電素子 - Google Patents
積層型圧電素子 Download PDFInfo
- Publication number
- JP4358220B2 JP4358220B2 JP2006314654A JP2006314654A JP4358220B2 JP 4358220 B2 JP4358220 B2 JP 4358220B2 JP 2006314654 A JP2006314654 A JP 2006314654A JP 2006314654 A JP2006314654 A JP 2006314654A JP 4358220 B2 JP4358220 B2 JP 4358220B2
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- Prior art keywords
- electrode
- metal oxide
- piezoelectric
- oxide layer
- piezoelectric element
- Prior art date
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 46
- 150000004706 metal oxides Chemical class 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 26
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 21
- 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 claims description 21
- 238000005245 sintering Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 79
- 230000005684 electric field Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000003475 lamination Methods 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- -1 ZrO 2 Chemical compound 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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
- H10N30/80—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
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
- H10N30/508—Piezoelectric or electrostrictive devices having a stacked or multilayer structure adapted for alleviating internal stress, e.g. cracking control layers
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Fuel-Injection Apparatus (AREA)
- Compositions Of Oxide Ceramics (AREA)
Description
Pb0.999[(Zn1/3Nb2/3)0.11Ti0.425 Zr0.465]O3 +0.2wt%Fe2O3+0.2wt%Sb2O3
Claims (3)
- 複数の圧電体と第1電極及び第2電極を含む複数の内部電極とを交互に積層し焼結してなる積層体を備えた積層型圧電素子であって、
前記積層体は、前記第1電極と前記第2電極とが前記積層体の積層方向に重なり合うように構成されてなる活性部と、前記活性部の両側に設けられ、前記第1電極と前記第2電極とが前記積層体の積層方向に重なり合わないように構成されてなる不活性部とを有し、
前記不活性部には、前記圧電体の焼結温度よりも融点が高く且つ前記圧電体に固溶する材料で形成された金属酸化物層が設けられ、
前記圧電体は、チタン酸ジルコン酸鉛を主成分とする圧電材料で形成され、
前記金属酸化物層は、ZrO 2 、MgO、Nb 2 O 5 、Ta 2 O 5 、CeO 2 、Y 2 O 3 の少なくとも一種を含む材料で形成されていることを特徴とする積層型圧電素子。 - 前記金属酸化物層は、前記内部電極と同一の層に形成されていることを特徴とする請求項1記載の積層型圧電素子。
- 前記金属酸化物層は、前記第1電極と前記第2電極との間の層に前記活性部に入り込むように形成されていることを特徴とする請求項1または2記載の積層型圧電素子。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006314654A JP4358220B2 (ja) | 2006-11-21 | 2006-11-21 | 積層型圧電素子 |
DE200710049575 DE102007049575B4 (de) | 2006-11-21 | 2007-10-16 | Piezoelektrisches Mehrschichtelement |
US11/976,176 US7498726B2 (en) | 2006-11-21 | 2007-10-22 | Multilayer piezoelectric element |
CNA2007101866533A CN101188270A (zh) | 2006-11-21 | 2007-11-21 | 层叠型压电元件 |
CN2010106234211A CN102110767B (zh) | 2006-11-21 | 2007-11-21 | 层叠型压电元件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006314654A JP4358220B2 (ja) | 2006-11-21 | 2006-11-21 | 積層型圧電素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008130842A JP2008130842A (ja) | 2008-06-05 |
JP4358220B2 true JP4358220B2 (ja) | 2009-11-04 |
Family
ID=39339069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006314654A Active JP4358220B2 (ja) | 2006-11-21 | 2006-11-21 | 積層型圧電素子 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7498726B2 (ja) |
JP (1) | JP4358220B2 (ja) |
CN (2) | CN102110767B (ja) |
DE (1) | DE102007049575B4 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5066098B2 (ja) * | 2006-11-29 | 2012-11-07 | 京セラ株式会社 | 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム |
JP5087914B2 (ja) * | 2006-12-06 | 2012-12-05 | Tdk株式会社 | 積層型圧電素子 |
EP1978567B1 (en) * | 2007-02-19 | 2014-06-25 | Continental Automotive GmbH | Piezoceramic multilayer actuator and method of manufacturing a piezoceramic multilayer actuator |
ATE535946T1 (de) * | 2007-02-19 | 2011-12-15 | Siemens Ag | Piezokeramischer mehrschichtaktor und verfahren zur herstellung eines piezokeramischen mehrschichtaktors |
EP1978568B1 (en) * | 2007-02-19 | 2011-10-12 | Siemens Aktiengesellschaft | Piezoceramic multilayer actuator and method of manufacturing the same |
EP2259353B1 (en) * | 2008-04-21 | 2012-06-27 | Murata Manufacturing Co. Ltd. | Multilayer piezoelectric actuator |
JP2013101020A (ja) * | 2011-11-08 | 2013-05-23 | Seiko Epson Corp | センサー素子、力検出装置およびロボット |
JP5890676B2 (ja) * | 2011-12-16 | 2016-03-22 | 株式会社日本セラテック | 積層型圧電アクチュエータおよびその製造方法 |
JP5842635B2 (ja) * | 2012-01-27 | 2016-01-13 | Tdk株式会社 | 積層型圧電素子 |
KR101603957B1 (ko) * | 2012-05-12 | 2016-03-16 | 쿄세라 코포레이션 | 압전 액추에이터, 압전 진동 장치 및 휴대 단말 |
US9381647B2 (en) * | 2013-02-19 | 2016-07-05 | Seiko Epson Corporation | Force detection device, robot, and moving object |
CN103700764A (zh) * | 2013-10-23 | 2014-04-02 | 溧阳市东大技术转移中心有限公司 | 包括HfO2应力缓冲体的压电元件的制造方法 |
CN103606623A (zh) * | 2013-10-26 | 2014-02-26 | 溧阳市东大技术转移中心有限公司 | 包括SrO应力缓冲体的压电元件的制造方法 |
CN103762305A (zh) * | 2013-10-26 | 2014-04-30 | 溧阳市东大技术转移中心有限公司 | 包括La2O3应力缓冲体的压电元件的制造方法 |
CN103762303A (zh) * | 2013-10-26 | 2014-04-30 | 溧阳市东大技术转移中心有限公司 | 包括BaO应力缓冲体的压电元件 |
CN103762304B (zh) * | 2013-10-26 | 2016-09-07 | 溧阳市东大技术转移中心有限公司 | 包括Sc2O3应力缓冲体的压电元件 |
JP5883202B1 (ja) * | 2014-08-28 | 2016-03-09 | 京セラ株式会社 | 圧電素子及びこれを備えた音響発生器、音響発生装置、電子機器 |
CN105948745B (zh) * | 2016-05-17 | 2018-09-07 | 瑞声精密制造科技(常州)有限公司 | 压电陶瓷材料、压电陶瓷烧结体及其压电陶瓷器件 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6225475A (ja) * | 1985-07-25 | 1987-02-03 | Nec Corp | 電歪効果素子およびその製造方法 |
US5163209A (en) * | 1989-04-26 | 1992-11-17 | Hitachi, Ltd. | Method of manufacturing a stack-type piezoelectric element |
JPH05243635A (ja) | 1992-02-28 | 1993-09-21 | Nec Corp | 電歪効果素子の製造方法 |
JP2951129B2 (ja) * | 1992-10-28 | 1999-09-20 | 太平洋セメント株式会社 | 積層型圧電アクチュエータおよびその製造方法 |
JPH0794795A (ja) * | 1993-09-21 | 1995-04-07 | Nikon Corp | 積層型電気・歪変換素子,積層型アクチュエータおよびその製造方法 |
JP2005072370A (ja) * | 2003-08-26 | 2005-03-17 | Ngk Insulators Ltd | 積層セラミックス電子部品及び製造方法 |
JP4843948B2 (ja) * | 2005-01-21 | 2011-12-21 | Tdk株式会社 | 積層型圧電素子 |
JP5087914B2 (ja) * | 2006-12-06 | 2012-12-05 | Tdk株式会社 | 積層型圧電素子 |
-
2006
- 2006-11-21 JP JP2006314654A patent/JP4358220B2/ja active Active
-
2007
- 2007-10-16 DE DE200710049575 patent/DE102007049575B4/de not_active Expired - Fee Related
- 2007-10-22 US US11/976,176 patent/US7498726B2/en not_active Expired - Fee Related
- 2007-11-21 CN CN2010106234211A patent/CN102110767B/zh not_active Expired - Fee Related
- 2007-11-21 CN CNA2007101866533A patent/CN101188270A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN101188270A (zh) | 2008-05-28 |
US20080116768A1 (en) | 2008-05-22 |
CN102110767A (zh) | 2011-06-29 |
JP2008130842A (ja) | 2008-06-05 |
DE102007049575B4 (de) | 2014-11-27 |
CN102110767B (zh) | 2013-10-02 |
DE102007049575A1 (de) | 2008-06-05 |
US7498726B2 (en) | 2009-03-03 |
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