KR100700349B1 - 횡방향 진동모드를 이용한 다층형 1-3 압전 복합체 초음파발진자 - Google Patents
횡방향 진동모드를 이용한 다층형 1-3 압전 복합체 초음파발진자 Download PDFInfo
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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
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
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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
- H10N30/01—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
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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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- 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
- H10N30/857—Macromolecular 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
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices
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Abstract
Description
Claims (24)
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- 소정 간격을 두고 배열된 복수의 제1항의 압전 다층 블록들(상기 내부전극의 길이방향으로 세워서 배열됨) 그리고 상기 압전 다층 블록들의 사이 및 외부를 둘러싸도록 채워진 폴리머 수지 매트릭스(상기 압전 다층 블록들의 측면 상의 외부전극들이 노출되도록 채워지거나 상기 외부전극들로부터의 연장선이 노출되도록 채워짐)를 포함하는 세라믹-폴리머 1-3 압전 복합체.
- 제12항에 있어서,상기 압전 복합체의 상면 및 하면(즉, 상기 압전 다층 블록들의 측면 상의 외부전극들이 이루는 면들) 상에 상기 압전 다층 블록들의 측면 상의 외부전극들과 접촉되도록 형성된 전도성 판을 더 포함하는 것을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제13항에 있어서,상기 전도성 판은 TiC-Ni로 된 것임을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제12항에 있어서,상기 폴리머 수지 매트릭스는 에폭시 수지로 된 것임을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제12항에 있어서, 상기 압전 복합체는 초음파 발진자에 적용되는 것임을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제12항에 있어서,상기 압전 다층 블록은 상기 내부전극의 길이방향이 그것에 수직하는 방향보다 긴 막대(rod) 또는 파이버 형상인 것을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제12항에 있어서,상기 압전 다층 블록의 상기 압전층의 압전물질은 PZN과 PZT가 복합된 PZN-PZT 복합체인 것을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제18항에 있어서,상기 압전 다층 블록의 상기 내부전극층은 PZN-PZT 복합체와 Ag의 혼합물인 PZN-PZT/Ag로 형성되는 것임을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제19항에 있어서,상기 PZN-PZT/Ag에서 Ag의 함량은 30~80 중량%인 것을 특징으로 세라믹-폴리머 1-3 압전 복합체.
- 제20항에 있어서,상기 PZN-PZT/Ag 내부전극층 또는 상기 PZN-PZT 압전층에 사용되는 xPZN-(1-x)PZT 복합체의 조성에 있어서, x는 0.1~0.6의 범위인 것을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제21항에 있어서,상기 PZN-PZT/Ag 내부전극층 또는 상기 PZN-PZT 압전층에 사용되는 PZN-PZT 복합체의 Pb(Zry,Ti1-y)O3 조성에 있어서, y는 0.35~0.55의 범위인 것을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제20항에 있어서,상기 PZN-PZT/Ag 내부전극층 또는 상기 PZN-PZT 압전층에 사용되는 PZN-PZT 복합체의 xPb(Zn1/3Nb2/3)O3-(1-x)Pb(Zry,Ti1-y)O3 조성에 있어서, x 및 y는 생성되는 PZN-PZT 복합체의 상공존 경계(Morphotropic Phase Boundary; MPB) 영역의 조성이 되도록 선택됨을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
- 제12항에 있어서,상기 압전 다층 블록의 상기 외부전극층은 Ag 페이스트를 코팅하여 형성되는 것임을 특징으로 하는 세라믹-폴리머 1-3 압전 복합체.
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KR101524766B1 (ko) * | 2008-08-07 | 2015-06-02 | 삼성전자주식회사 | 전기 에너지 발생 장치 및 그 제조 방법 |
KR20110047860A (ko) | 2009-10-30 | 2011-05-09 | 삼성전자주식회사 | 압전 나노와이어 구조체 및 이를 포함하는 전기 기기 |
KR102026905B1 (ko) * | 2013-03-29 | 2019-11-04 | 주식회사 엠플러스 | 압전진동모듈 |
CN115643783B (zh) * | 2022-11-07 | 2023-07-25 | 中南大学 | 多层定向多孔压电复合材料及制备和压电能量收集器 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH1168187A (ja) | 1997-08-20 | 1999-03-09 | Matsushita Electric Ind Co Ltd | 圧電トランスとその製造方法 |
KR19990083337A (ko) * | 1998-04-20 | 1999-11-25 | 무라타 야스타카 | 압전체소자 |
JP2001002469A (ja) | 1999-04-22 | 2001-01-09 | Murata Mfg Co Ltd | 圧電体ペーストならびにこれを用いた圧電体膜および圧電体部品 |
KR20040010144A (ko) * | 2002-07-25 | 2004-01-31 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층형 압전 부품의 제조방법 및 적층형 압전 부품 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1168187A (ja) | 1997-08-20 | 1999-03-09 | Matsushita Electric Ind Co Ltd | 圧電トランスとその製造方法 |
KR19990083337A (ko) * | 1998-04-20 | 1999-11-25 | 무라타 야스타카 | 압전체소자 |
JP2001002469A (ja) | 1999-04-22 | 2001-01-09 | Murata Mfg Co Ltd | 圧電体ペーストならびにこれを用いた圧電体膜および圧電体部品 |
KR20040010144A (ko) * | 2002-07-25 | 2004-01-31 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층형 압전 부품의 제조방법 및 적층형 압전 부품 |
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