KR100371572B1 - 압전 부품 - Google Patents
압전 부품 Download PDFInfo
- Publication number
- KR100371572B1 KR100371572B1 KR10-2000-0025613A KR20000025613A KR100371572B1 KR 100371572 B1 KR100371572 B1 KR 100371572B1 KR 20000025613 A KR20000025613 A KR 20000025613A KR 100371572 B1 KR100371572 B1 KR 100371572B1
- Authority
- KR
- South Korea
- Prior art keywords
- piezoelectric
- damping member
- substrate
- electrode
- vibration
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 238000013016 damping Methods 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000000605 extraction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
- H10N30/88—Mounts; Supports; Enclosures; Casings
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1035—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by two sealing substrates sandwiching the piezoelectric layer of the BAW device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/09—Elastic or damping supports
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (3)
- 양 주면에 진동 전극이 형성된 압전 기판을 포함하고 있으며, 두께 전단 모드(shear mode)로 진동하는 압전 소자; 및상기 진동 전극을 덮도록 상기 압전 기판의 양 주면 중의 한 주면에 배치되고, 소정의 경도를 가지고 있는 댐핑(damping) 부재; 를 포함하는 것을 특징으로 하는 압전 부품.
- 제 1 항에 있어서, 상기 댐핑 부재는 35∼80의 쇼어 경도(Shore hardness)를 가지는 것을 특징으로 하는 압전 부품.
- 제 1 항에 있어서, 상기 댐핑 부재는 80∼100의 쇼어 경도를 가지는 것을 특징으로 하는 압전 부품.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11-134018 | 1999-05-14 | ||
JP11134018A JP2000323959A (ja) | 1999-05-14 | 1999-05-14 | 圧電部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010020839A KR20010020839A (ko) | 2001-03-15 |
KR100371572B1 true KR100371572B1 (ko) | 2003-02-06 |
Family
ID=15118462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0025613A KR100371572B1 (ko) | 1999-05-14 | 2000-05-13 | 압전 부품 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6369489B1 (ko) |
JP (1) | JP2000323959A (ko) |
KR (1) | KR100371572B1 (ko) |
CN (1) | CN1151600C (ko) |
DE (1) | DE10022271A1 (ko) |
SG (1) | SG80679A1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101153681B1 (ko) * | 2006-02-02 | 2012-06-18 | 삼성전기주식회사 | 압전 액츄에이터를 채용한 잉크젯 프린트헤드 |
US8288922B2 (en) * | 2006-06-30 | 2012-10-16 | The Penn State Research Foundation | Flexoelectric—piezoelectric composite based on flexoelectric charge separation |
US8618720B2 (en) * | 2009-10-01 | 2013-12-31 | Blackberry Limited | Piezoelectric assembly |
CN201654740U (zh) * | 2010-02-01 | 2010-11-24 | 瑞声光电科技(常州)有限公司 | 触控反馈装置 |
KR101476391B1 (ko) | 2010-12-28 | 2014-12-24 | 가부시키가이샤 무라타 세이사쿠쇼 | 전자부품 |
US9241408B2 (en) | 2010-12-28 | 2016-01-19 | Murata Manufacturing Co., Ltd. | Electronic component |
KR101454071B1 (ko) * | 2012-05-08 | 2014-10-27 | 삼성전기주식회사 | 압전진동모듈 |
KR20140139249A (ko) * | 2013-05-27 | 2014-12-05 | 삼성전기주식회사 | 진동발생장치 |
JP5991452B2 (ja) * | 2014-04-24 | 2016-09-14 | 株式会社村田製作所 | 水晶振動装置及びその製造方法 |
CN108476015B (zh) * | 2016-01-23 | 2021-10-26 | 京瓷株式会社 | 压电部件 |
CN115552796A (zh) * | 2020-05-13 | 2022-12-30 | 京瓷Avx元器件公司 | 具有覆盖层和屏蔽层的滤波器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03184411A (ja) * | 1989-12-13 | 1991-08-12 | Murata Mfg Co Ltd | 圧電振動部品 |
JPH07321383A (ja) * | 1994-05-26 | 1995-12-08 | Chichibu Onoda Cement Corp | 積層型圧電アクチュエータ素子及びその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3137745A1 (de) * | 1981-09-23 | 1983-04-07 | Egon 5000 Köln Gelhard | Sensor fuer die durchfuehrung der distanzmessung nach dem ultraschalll-echoprinzip |
DE3235236A1 (de) * | 1982-09-23 | 1984-03-29 | Siemens AG, 1000 Berlin und 8000 München | Oberflaechenwellenfilter, sowie verfahren zur herstellung einer bedaempfungsschicht fuer oberflaechenwellenfilter |
JPH0559951U (ja) * | 1992-01-09 | 1993-08-06 | 株式会社村田製作所 | 圧電部品 |
JP3089851B2 (ja) * | 1992-09-16 | 2000-09-18 | 株式会社村田製作所 | チップ型圧電共振子の製造方法 |
JPH08335847A (ja) * | 1995-06-08 | 1996-12-17 | Murata Mfg Co Ltd | 厚みすべり振動型2重モードフィルタ |
JPH09181556A (ja) * | 1995-12-27 | 1997-07-11 | Kyocera Corp | 圧電振動子 |
JPH11234077A (ja) * | 1998-02-16 | 1999-08-27 | Murata Mfg Co Ltd | 表面実装型圧電部品 |
JP3598874B2 (ja) * | 1998-05-27 | 2004-12-08 | 株式会社村田製作所 | 圧電磁器組成物及びこの圧電磁器組成物を用いた圧電素子 |
-
1999
- 1999-05-14 JP JP11134018A patent/JP2000323959A/ja active Pending
-
2000
- 2000-04-19 SG SG200002230A patent/SG80679A1/en unknown
- 2000-05-08 DE DE10022271A patent/DE10022271A1/de not_active Ceased
- 2000-05-13 US US09/570,499 patent/US6369489B1/en not_active Expired - Lifetime
- 2000-05-13 KR KR10-2000-0025613A patent/KR100371572B1/ko active IP Right Grant
- 2000-05-15 CN CNB001086839A patent/CN1151600C/zh not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03184411A (ja) * | 1989-12-13 | 1991-08-12 | Murata Mfg Co Ltd | 圧電振動部品 |
JPH07321383A (ja) * | 1994-05-26 | 1995-12-08 | Chichibu Onoda Cement Corp | 積層型圧電アクチュエータ素子及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1151600C (zh) | 2004-05-26 |
JP2000323959A (ja) | 2000-11-24 |
SG80679A1 (en) | 2001-05-22 |
CN1274197A (zh) | 2000-11-22 |
KR20010020839A (ko) | 2001-03-15 |
DE10022271A1 (de) | 2000-11-30 |
US6369489B1 (en) | 2002-04-09 |
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