CN1541447B - 带有体波谐振器的滤波系统 - Google Patents
带有体波谐振器的滤波系统 Download PDFInfo
- Publication number
- CN1541447B CN1541447B CN028158660A CN02815866A CN1541447B CN 1541447 B CN1541447 B CN 1541447B CN 028158660 A CN028158660 A CN 028158660A CN 02815866 A CN02815866 A CN 02815866A CN 1541447 B CN1541447 B CN 1541447B
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- China
- Prior art keywords
- electrode
- layer
- reflection part
- piezoelectric layer
- wave resonator
- 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 - Fee Related
Links
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Images
Classifications
-
- 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
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
- H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/589—Acoustic mirrors
-
- 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
- H03H9/58—Multiple crystal filters
- H03H9/581—Multiple crystal filters comprising ceramic piezoelectric layers
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01306933 | 2001-08-14 | ||
EP01306933.1 | 2001-08-14 | ||
PCT/IB2002/003291 WO2003017481A1 (de) | 2001-08-14 | 2002-08-05 | Filteranordnung mit volumenwellen-resonator |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1541447A CN1541447A (zh) | 2004-10-27 |
CN1541447B true CN1541447B (zh) | 2010-04-21 |
Family
ID=8182190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN028158660A Expired - Fee Related CN1541447B (zh) | 2001-08-14 | 2002-08-05 | 带有体波谐振器的滤波系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6975182B2 (zh) |
EP (1) | EP1419577A1 (zh) |
JP (1) | JP2005500778A (zh) |
CN (1) | CN1541447B (zh) |
WO (1) | WO2003017481A1 (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1419576B1 (de) * | 2001-08-14 | 2008-11-05 | Nxp B.V. | Filteranordnung mit volumenwellen-resonator |
JP2005197983A (ja) * | 2004-01-07 | 2005-07-21 | Tdk Corp | 薄膜バルク波共振器 |
JP2005198117A (ja) * | 2004-01-09 | 2005-07-21 | Tdk Corp | 電子デバイス作製用構造体及びこれを用いた電子デバイスの製造方法 |
JP2006019935A (ja) * | 2004-06-30 | 2006-01-19 | Toshiba Corp | 薄膜圧電共振器及びその製造方法 |
KR100671031B1 (ko) | 2004-07-09 | 2007-01-18 | 사공건 | 음향임피던스 정합을 이용한 유량 레벨 측정시스템 |
JP4016983B2 (ja) * | 2004-12-07 | 2007-12-05 | 株式会社村田製作所 | 圧電薄膜共振子およびその製造方法 |
WO2006064414A1 (en) * | 2004-12-15 | 2006-06-22 | Philips Intellectual Property & Standards Gmbh | Thin film acoustic reflector stack |
JP2007129391A (ja) * | 2005-11-02 | 2007-05-24 | Matsushita Electric Ind Co Ltd | 音響共振器及びフィルタ |
FR2927743B1 (fr) * | 2008-02-15 | 2011-06-03 | St Microelectronics Sa | Circuit de filtrage comportant des resonateurs acoustiques couples |
EP2436049B1 (en) * | 2009-05-28 | 2019-05-01 | Northrop Grumman Systems Corporation | Lateral over-moded bulk acoustic resonators |
CN101924529B (zh) * | 2010-08-31 | 2012-10-10 | 庞慰 | 压电谐振器结构 |
DE102011119660B4 (de) * | 2011-11-29 | 2014-12-11 | Epcos Ag | Mikroakustisches Bauelement mit Wellenleiterschicht |
CN104917476B (zh) * | 2015-05-28 | 2022-04-12 | 苏州汉天下电子有限公司 | 一种声波谐振器的制造方法 |
JP7036487B2 (ja) | 2016-07-07 | 2022-03-15 | サムソン エレクトロ-メカニックス カンパニーリミテッド. | 弾性波フィルタ装置及びその製造方法 |
CN110710106B (zh) * | 2017-07-04 | 2023-10-31 | 京瓷株式会社 | 弹性波装置、分波器及通信装置 |
JP7038795B2 (ja) * | 2017-07-07 | 2022-03-18 | スカイワークス ソリューションズ,インコーポレイテッド | 圧電材料、弾性波共振器、フィルタ、電子デバイスモジュール及び電子デバイス |
WO2020132999A1 (zh) * | 2018-12-26 | 2020-07-02 | 天津大学 | 带有温度补偿层的谐振器、滤波器 |
JP2021141580A (ja) | 2020-02-28 | 2021-09-16 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | バルク弾性波フィルタのための窒化アルミニウムドーパントスキーム |
CN116639974A (zh) * | 2023-03-22 | 2023-08-25 | 中南大学 | 一种稀土改性knn-lt无铅压电陶瓷及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1067685A2 (de) * | 1999-07-07 | 2001-01-10 | Philips Corporate Intellectual Property GmbH | Volumenwellen-Filter |
EP1073198A2 (en) * | 1999-07-29 | 2001-01-31 | Lucent Technologies Inc. | Thin film resonator apparatus and method of making same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5373268A (en) * | 1993-02-01 | 1994-12-13 | Motorola, Inc. | Thin film resonator having stacked acoustic reflecting impedance matching layers and method |
US5873154A (en) | 1996-10-17 | 1999-02-23 | Nokia Mobile Phones Limited | Method for fabricating a resonator having an acoustic mirror |
US6239536B1 (en) * | 1998-09-08 | 2001-05-29 | Tfr Technologies, Inc. | Encapsulated thin-film resonator and fabrication method |
JP4327942B2 (ja) * | 1999-05-20 | 2009-09-09 | Tdk株式会社 | 薄膜圧電素子 |
US6339276B1 (en) * | 1999-11-01 | 2002-01-15 | Agere Systems Guardian Corp. | Incremental tuning process for electrical resonators based on mechanical motion |
US6329305B1 (en) * | 2000-02-11 | 2001-12-11 | Agere Systems Guardian Corp. | Method for producing devices having piezoelectric films |
US6709776B2 (en) * | 2000-04-27 | 2004-03-23 | Tdk Corporation | Multilayer thin film and its fabrication process as well as electron device |
JP3954395B2 (ja) * | 2001-10-26 | 2007-08-08 | 富士通株式会社 | 圧電薄膜共振子、フィルタ、および圧電薄膜共振子の製造方法 |
-
2002
- 2002-08-05 WO PCT/IB2002/003291 patent/WO2003017481A1/de active Application Filing
- 2002-08-05 US US10/486,452 patent/US6975182B2/en not_active Expired - Lifetime
- 2002-08-05 CN CN028158660A patent/CN1541447B/zh not_active Expired - Fee Related
- 2002-08-05 JP JP2003522268A patent/JP2005500778A/ja active Pending
- 2002-08-05 EP EP02755508A patent/EP1419577A1/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1067685A2 (de) * | 1999-07-07 | 2001-01-10 | Philips Corporate Intellectual Property GmbH | Volumenwellen-Filter |
EP1073198A2 (en) * | 1999-07-29 | 2001-01-31 | Lucent Technologies Inc. | Thin film resonator apparatus and method of making same |
Also Published As
Publication number | Publication date |
---|---|
US20040189423A1 (en) | 2004-09-30 |
JP2005500778A (ja) | 2005-01-06 |
CN1541447A (zh) | 2004-10-27 |
WO2003017481A1 (de) | 2003-02-27 |
US6975182B2 (en) | 2005-12-13 |
EP1419577A1 (de) | 2004-05-19 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20071102 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20071102 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20200805 |