DE60125660D1 - Herstellung von Dünnschichtresonatoren durch Freiätzung von Oberseiten darunterliegender Membranen - Google Patents

Herstellung von Dünnschichtresonatoren durch Freiätzung von Oberseiten darunterliegender Membranen

Info

Publication number
DE60125660D1
DE60125660D1 DE60125660T DE60125660T DE60125660D1 DE 60125660 D1 DE60125660 D1 DE 60125660D1 DE 60125660 T DE60125660 T DE 60125660T DE 60125660 T DE60125660 T DE 60125660T DE 60125660 D1 DE60125660 D1 DE 60125660D1
Authority
DE
Germany
Prior art keywords
tops
thin
production
film resonators
free etching
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
Application number
DE60125660T
Other languages
English (en)
Other versions
DE60125660T2 (de
Inventor
Edward Chan
Jungsang Kim
Harold Alexis Huggins
Hyongsok Soh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agere Systems LLC
Original Assignee
Agere Systems LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agere Systems LLC filed Critical Agere Systems LLC
Publication of DE60125660D1 publication Critical patent/DE60125660D1/de
Application granted granted Critical
Publication of DE60125660T2 publication Critical patent/DE60125660T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/173—Air-gaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
    • B81C1/00134—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems comprising flexible or deformable structures
    • B81C1/00142—Bridges
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2201/00—Specific applications of microelectromechanical systems
    • B81B2201/02—Sensors
    • B81B2201/0271—Resonators; ultrasonic resonators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of microstructural devices or systems
    • B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
    • B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
    • B81C2201/0128—Processes for removing material
    • B81C2201/013—Etching
    • B81C2201/0135—Controlling etch progression
    • B81C2201/014—Controlling etch progression by depositing an etch stop layer, e.g. silicon nitride, silicon oxide, metal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H2003/021—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks being of the air-gap type

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE60125660T 2000-08-11 2001-07-20 Herstellung von Dünnschichtresonatoren durch Freiätzung von Oberseiten darunterliegender Membranen Expired - Lifetime DE60125660T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US637069 2000-08-11
US09/637,069 US6355498B1 (en) 2000-08-11 2000-08-11 Thin film resonators fabricated on membranes created by front side releasing

Publications (2)

Publication Number Publication Date
DE60125660D1 true DE60125660D1 (de) 2007-02-15
DE60125660T2 DE60125660T2 (de) 2007-10-04

Family

ID=24554413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60125660T Expired - Lifetime DE60125660T2 (de) 2000-08-11 2001-07-20 Herstellung von Dünnschichtresonatoren durch Freiätzung von Oberseiten darunterliegender Membranen

Country Status (4)

Country Link
US (1) US6355498B1 (de)
EP (1) EP1180494B1 (de)
JP (1) JP5127014B2 (de)
DE (1) DE60125660T2 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6674291B1 (en) * 2000-10-30 2004-01-06 Agere Systems Guardian Corp. Method and apparatus for determining and/or improving high power reliability in thin film resonator devices, and a thin film resonator device resultant therefrom
KR100473871B1 (ko) * 2000-11-13 2005-03-08 주식회사 엠에스솔루션 박막 필터
US6743731B1 (en) * 2000-11-17 2004-06-01 Agere Systems Inc. Method for making a radio frequency component and component produced thereby
US6714102B2 (en) * 2001-03-01 2004-03-30 Agilent Technologies, Inc. Method of fabricating thin film bulk acoustic resonator (FBAR) and FBAR structure embodying the method
FR2823032B1 (fr) * 2001-04-03 2003-07-11 St Microelectronics Sa Resonateur electromecanique a poutre vibrante
JP3939939B2 (ja) * 2001-07-17 2007-07-04 富士通株式会社 圧電薄膜共振素子の製造方法
US20030058107A1 (en) * 2001-09-25 2003-03-27 Ferrier Joseph A. Personal item locator system
US6635519B2 (en) * 2002-01-10 2003-10-21 Agere Systems, Inc. Structurally supported thin film resonator and method of fabrication
US7026235B1 (en) * 2002-02-07 2006-04-11 Cypress Semiconductor Corporation Dual-damascene process and associated floating metal structures
AU2003221959A1 (en) * 2002-04-15 2003-11-03 Kevin S. Jones Single crystal silicon membranes for microelectromechanical applications
KR100506729B1 (ko) * 2002-05-21 2005-08-08 삼성전기주식회사 박막 벌크 어코스틱 공진기（ＦＢＡＲｓ）소자 및 그제조방법
FR2849017B1 (fr) * 2002-12-20 2005-11-18 Michel Bruel Procede de traitement d'une structure pour l'obtention d'un espace interne et structure presentant un espace interne.
US7275292B2 (en) * 2003-03-07 2007-10-02 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Method for fabricating an acoustical resonator on a substrate
EP1606600A2 (de) * 2003-03-18 2005-12-21 Microgan GmbH Sensorelemente mit freitragenden balkenstrukturen aus halbleitern auf gruppe-iii-nitridbasis
US7038355B2 (en) 2003-04-03 2006-05-02 Stmicroelectronics Sa Tunable microresonator on an insulating beam deformable by the difference in thermal expansion coefficients
EP1469599B1 (de) * 2003-04-18 2010-11-03 Samsung Electronics Co., Ltd. Dünnschicht-Resonator von Luftspaltbauart, Duplexer mit dem Resonator und deren Herstellungsverfahren
KR100485703B1 (ko) * 2003-04-21 2005-04-28 삼성전자주식회사 기판으로부터 부양된 에어갭을 갖는 박막 벌크 음향공진기 및 그 제조방법
US7113055B2 (en) * 2003-11-07 2006-09-26 Matsushita Electric Industrial Co., Ltd. Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator
JP3944161B2 (ja) * 2003-12-25 2007-07-11 株式会社東芝 薄膜バルク波音響共振器及び薄膜バルク波音響共振器の製造方法
US20050148065A1 (en) * 2003-12-30 2005-07-07 Intel Corporation Biosensor utilizing a resonator having a functionalized surface
KR100622955B1 (ko) * 2004-04-06 2006-09-18 삼성전자주식회사 박막 벌크 음향 공진기 및 그 제조방법
DE102004037304A1 (de) * 2004-07-31 2006-02-16 Robert Bosch Gmbh Mikrostrukturierter Sensor und Verfahren zu seiner Herstellung
US7388454B2 (en) * 2004-10-01 2008-06-17 Avago Technologies Wireless Ip Pte Ltd Acoustic resonator performance enhancement using alternating frame structure
JP4744849B2 (ja) * 2004-11-11 2011-08-10 株式会社東芝 半導体装置
US8981876B2 (en) 2004-11-15 2015-03-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Piezoelectric resonator structures and electrical filters having frame elements
US20060125577A1 (en) * 2004-12-13 2006-06-15 International Semiconductor Techonology Ltd. Acoustic resonator device and method for manufacturing the same
US7202560B2 (en) 2004-12-15 2007-04-10 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Wafer bonding of micro-electro mechanical systems to active circuitry
US7791434B2 (en) * 2004-12-22 2010-09-07 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic resonator performance enhancement using selective metal etch and having a trench in the piezoelectric
KR100692593B1 (ko) * 2005-01-24 2007-03-13 삼성전자주식회사 Ｍｅｍｓ 구조체, 외팔보 형태의 ｍｅｍｓ 구조체 및밀봉된 유체채널의 제조 방법.
KR100698287B1 (ko) 2005-01-31 2007-03-22 삼성전자주식회사 박막벌크음향공진기 및 그 제조 방법
DE102005004878B4 (de) * 2005-02-03 2015-01-08 Robert Bosch Gmbh Mikromechanischer kapazitiver Drucksensor und entsprechendes Herstellungsverfahren
US7248131B2 (en) * 2005-03-14 2007-07-24 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Monolithic vertical integration of an acoustic resonator and electronic circuitry
JP2006289520A (ja) * 2005-04-06 2006-10-26 Toshiba Corp Ｍｅｍｓ技術を使用した半導体装置
US7369013B2 (en) * 2005-04-06 2008-05-06 Avago Technologies Wireless Ip Pte Ltd Acoustic resonator performance enhancement using filled recessed region
US7436269B2 (en) * 2005-04-18 2008-10-14 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustically coupled resonators and method of making the same
JP4791766B2 (ja) * 2005-05-30 2011-10-12 株式会社東芝 Ｍｅｍｓ技術を使用した半導体装置
US7868522B2 (en) * 2005-09-09 2011-01-11 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Adjusted frequency temperature coefficient resonator
JP4713990B2 (ja) * 2005-09-13 2011-06-29 株式会社東芝 半導体装置とその製造方法
US7737807B2 (en) * 2005-10-18 2010-06-15 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators
US7675390B2 (en) 2005-10-18 2010-03-09 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator
US7463499B2 (en) * 2005-10-31 2008-12-09 Avago Technologies General Ip (Singapore) Pte Ltd. AC-DC power converter
US7612636B2 (en) * 2006-01-30 2009-11-03 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Impedance transforming bulk acoustic wave baluns
JP2007221588A (ja) * 2006-02-17 2007-08-30 Toshiba Corp 薄膜圧電共振器及び薄膜圧電共振器の製造方法
US20070210748A1 (en) * 2006-03-09 2007-09-13 Mark Unkrich Power supply and electronic device having integrated power supply
US7746677B2 (en) * 2006-03-09 2010-06-29 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. AC-DC converter circuit and power supply
US20070210724A1 (en) * 2006-03-09 2007-09-13 Mark Unkrich Power adapter and DC-DC converter having acoustic transformer
US7479685B2 (en) * 2006-03-10 2009-01-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Electronic device on substrate with cavity and mitigated parasitic leakage path
FR2906238B1 (fr) * 2006-09-27 2008-12-19 Commissariat Energie Atomique Procede de realisation d'un composant electromecanique sur un substrat plan
JP4047366B1 (ja) * 2007-01-30 2008-02-13 東レエンジニアリング株式会社 超音波トランスデューサ
US7851333B2 (en) * 2007-03-15 2010-12-14 Infineon Technologies Ag Apparatus comprising a device and method for producing it
US20090079514A1 (en) * 2007-09-24 2009-03-26 Tiberiu Jamneala Hybrid acoustic resonator-based filters
US7791435B2 (en) * 2007-09-28 2010-09-07 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Single stack coupled resonators having differential output
US8278802B1 (en) * 2008-04-24 2012-10-02 Rf Micro Devices, Inc. Planarized sacrificial layer for MEMS fabrication
US7855618B2 (en) * 2008-04-30 2010-12-21 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Bulk acoustic resonator electrical impedance transformers
US7732977B2 (en) * 2008-04-30 2010-06-08 Avago Technologies Wireless Ip (Singapore) Transceiver circuit for film bulk acoustic resonator (FBAR) transducers
JP5220503B2 (ja) * 2008-07-23 2013-06-26 太陽誘電株式会社 弾性波デバイス
JP4636292B2 (ja) * 2008-08-27 2011-02-23 株式会社村田製作所 電子部品及び電子部品の製造方法
US8902023B2 (en) * 2009-06-24 2014-12-02 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator structure having an electrode with a cantilevered portion
US8248185B2 (en) * 2009-06-24 2012-08-21 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic resonator structure comprising a bridge
US8193877B2 (en) * 2009-11-30 2012-06-05 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Duplexer with negative phase shifting circuit
EP2333531A1 (de) * 2009-12-11 2011-06-15 Honeywell Romania SRL Differentialresonatoren zur NO2-Detektion und damit verbundene Verfahren
US9243316B2 (en) 2010-01-22 2016-01-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Method of fabricating piezoelectric material with selected c-axis orientation
US8796904B2 (en) 2011-10-31 2014-08-05 Avago Technologies General Ip (Singapore) Pte. Ltd. Bulk acoustic resonator comprising piezoelectric layer and inverse piezoelectric layer
US8962443B2 (en) 2011-01-31 2015-02-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Semiconductor device having an airbridge and method of fabricating the same
US9203374B2 (en) 2011-02-28 2015-12-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Film bulk acoustic resonator comprising a bridge
US9083302B2 (en) 2011-02-28 2015-07-14 Avago Technologies General Ip (Singapore) Pte. Ltd. Stacked bulk acoustic resonator comprising a bridge and an acoustic reflector along a perimeter of the resonator
US9154112B2 (en) 2011-02-28 2015-10-06 Avago Technologies General Ip (Singapore) Pte. Ltd. Coupled resonator filter comprising a bridge
US9425764B2 (en) 2012-10-25 2016-08-23 Avago Technologies General Ip (Singapore) Pte. Ltd. Accoustic resonator having composite electrodes with integrated lateral features
US9048812B2 (en) 2011-02-28 2015-06-02 Avago Technologies General Ip (Singapore) Pte. Ltd. Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer
US9148117B2 (en) 2011-02-28 2015-09-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Coupled resonator filter comprising a bridge and frame elements
US9136818B2 (en) 2011-02-28 2015-09-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Stacked acoustic resonator comprising a bridge
US9444426B2 (en) 2012-10-25 2016-09-13 Avago Technologies General Ip (Singapore) Pte. Ltd. Accoustic resonator having integrated lateral feature and temperature compensation feature
US8575820B2 (en) 2011-03-29 2013-11-05 Avago Technologies General Ip (Singapore) Pte. Ltd. Stacked bulk acoustic resonator
WO2012137574A1 (ja) 2011-04-01 2012-10-11 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法ならびに携帯電話機
US8350445B1 (en) 2011-06-16 2013-01-08 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Bulk acoustic resonator comprising non-piezoelectric layer and bridge
US8922302B2 (en) 2011-08-24 2014-12-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator formed on a pedestal
US9742373B2 (en) * 2011-10-31 2017-08-22 The Regents Of The University Of Michigan Method of manufacturing a temperature-compensated micromechanical resonator
US9105751B2 (en) * 2011-11-11 2015-08-11 International Business Machines Corporation Integrated semiconductor devices with single crystalline beam, methods of manufacture and design structure
KR101959204B1 (ko) * 2013-01-09 2019-07-04 삼성전자주식회사 무선 주파수 필터 및 무선 주파수 필터의 제조방법
JP6111966B2 (ja) * 2013-03-26 2017-04-12 セイコーエプソン株式会社 振動子の製造方法
CN104202010B (zh) * 2014-08-28 2017-05-03 中国工程物理研究院电子工程研究所 一种镂空空腔型薄膜体声波谐振器及其制作方法
JP6659702B2 (ja) * 2014-09-15 2020-03-04 コーボ ユーエス，インコーポレイティド 酸化還元反応の連結による質量の検出
US10451476B2 (en) * 2015-08-18 2019-10-22 Fujifilm Sonosite, Inc. Membrane hydrophone for high frequency ultrasound and method of manufacture
US11579011B2 (en) 2016-02-19 2023-02-14 Fujifilm Sonosite, Inc. Membrane hydrophone for high frequency ultrasound and method of manufacture
US11070184B2 (en) * 2016-03-11 2021-07-20 Akoustis, Inc. Piezoelectric acoustic resonator manufactured with piezoelectric thin film transfer process
KR20170122539A (ko) 2016-04-27 2017-11-06 삼성전기주식회사 체적 음향 공진기 및 이의 제조 방법
US10756703B2 (en) 2016-08-18 2020-08-25 Samsung Electro-Mechanics Co., Ltd. Bulk acoustic wave resonator
US10700660B2 (en) * 2017-10-25 2020-06-30 Avago Technologies International Sales Pte. Limited Bulk acoustic wave resonator
WO2019132931A1 (en) * 2017-12-28 2019-07-04 Intel Corporation Group iii-nitride (iii-n) resonators and their methods of fabrication
KR20200094995A (ko) * 2019-01-31 2020-08-10 삼성전기주식회사 체적 음향 공진기
CN110114971A (zh) * 2019-03-28 2019-08-09 深圳市汇顶科技股份有限公司 晶体振荡器及其制作方法和设备
CN117083799A (zh) * 2021-03-31 2023-11-17 株式会社村田制作所 弹性波装置
CN113086943B (zh) * 2021-03-31 2022-05-24 中国科学院半导体研究所 微纳射频器件及其制备方法
CN113810012B (zh) * 2021-09-23 2023-11-21 武汉敏声新技术有限公司 一种谐振器
CN115178314B (zh) * 2022-08-08 2024-06-14 深圳市麦科思技术有限公司 一种微机电系统微流体装置及其制作方法

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137317A (ja) * 1982-02-09 1983-08-15 Nec Corp 圧電薄膜複合振動子
US4556812A (en) 1983-10-13 1985-12-03 The United States Of America As Represented By The United States Department Of Energy Acoustic resonator with Al electrodes on an AlN layer and using a GaAs substrate
US4502932A (en) 1983-10-13 1985-03-05 The United States Of America As Represented By The United States Department Of Energy Acoustic resonator and method of making same
US4719383A (en) 1985-05-20 1988-01-12 The United States Of America As Represented By The United States Department Of Energy Piezoelectric shear wave resonator and method of making same
JPS62266906A (ja) * 1986-05-15 1987-11-19 Toshiba Corp 圧電薄膜共振子
JPH0618314B2 (ja) * 1987-10-09 1994-03-09 株式会社村田製作所 集積型共振子の製造方法
US4988957A (en) 1989-05-26 1991-01-29 Iowa State University Research Foundation, Inc. Electronically-tuned thin-film resonator/filter controlled oscillator
US5075641A (en) 1990-12-04 1991-12-24 Iowa State University Research Foundation, Inc. High frequency oscillator comprising cointegrated thin film resonator and active device
US5231327A (en) 1990-12-14 1993-07-27 Tfr Technologies, Inc. Optimized piezoelectric resonator-based networks
EP0498198B1 (de) 1991-02-04 1995-11-22 Motorola, Inc. Hermetische Verpackung für frequenzselektive Mikroelektronikteile
US5233259A (en) 1991-02-19 1993-08-03 Westinghouse Electric Corp. Lateral field FBAR
US5260596A (en) 1991-04-08 1993-11-09 Motorola, Inc. Monolithic circuit with integrated bulk structure resonator
US5185589A (en) 1991-05-17 1993-02-09 Westinghouse Electric Corp. Microwave film bulk acoustic resonator and manifolded filter bank
EP0546696A1 (de) 1991-12-13 1993-06-16 Hewlett-Packard Company Lithographisches Verfahren für piezoelektrische Filme
US5348617A (en) 1991-12-23 1994-09-20 Iowa State University Research Foundation, Inc. Selective etching process
US5232571A (en) 1991-12-23 1993-08-03 Iowa State University Research Foundation, Inc. Aluminum nitride deposition using an AlN/Al sputter cycle technique
US5294898A (en) 1992-01-29 1994-03-15 Motorola, Inc. Wide bandwidth bandpass filter comprising parallel connected piezoelectric resonators
US5166646A (en) 1992-02-07 1992-11-24 Motorola, Inc. Integrated tunable resonators for use in oscillators and filters
US5283458A (en) 1992-03-30 1994-02-01 Trw Inc. Temperature stable semiconductor bulk acoustic resonator
US5367308A (en) 1992-05-29 1994-11-22 Iowa State University Research Foundation, Inc. Thin film resonating device
US5291159A (en) 1992-07-20 1994-03-01 Westinghouse Electric Corp. Acoustic resonator filter with electrically variable center frequency and bandwidth
US5373268A (en) 1993-02-01 1994-12-13 Motorola, Inc. Thin film resonator having stacked acoustic reflecting impedance matching layers and method
US5334960A (en) 1993-02-16 1994-08-02 Motorola, Inc. Conjugately matched acoustic wave transducers and method
US5559358A (en) 1993-05-25 1996-09-24 Honeywell Inc. Opto-electro-mechanical device or filter, process for making, and sensors made therefrom
US5434827A (en) 1993-06-15 1995-07-18 Hewlett-Packard Company Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers
US5381385A (en) 1993-08-04 1995-01-10 Hewlett-Packard Company Electrical interconnect for multilayer transducer elements of a two-dimensional transducer array
US5446306A (en) 1993-12-13 1995-08-29 Trw Inc. Thin film voltage-tuned semiconductor bulk acoustic resonator (SBAR)
US5587620A (en) * 1993-12-21 1996-12-24 Hewlett-Packard Company Tunable thin film acoustic resonators and method for making the same
US5552655A (en) 1994-05-04 1996-09-03 Trw Inc. Low frequency mechanical resonator
US5864261A (en) 1994-05-23 1999-01-26 Iowa State University Research Foundation Multiple layer acoustical structures for thin-film resonator based circuits and systems
JP3371050B2 (ja) * 1995-10-27 2003-01-27 三菱電機株式会社 薄膜圧電素子
JPH08148968A (ja) 1994-11-24 1996-06-07 Mitsubishi Electric Corp 薄膜圧電素子
US5630949A (en) 1995-06-01 1997-05-20 Tfr Technologies, Inc. Method and apparatus for fabricating a piezoelectric resonator to a resonant frequency
US5617065A (en) 1995-06-29 1997-04-01 Motorola, Inc. Filter using enhanced quality factor resonator and method
US5596239A (en) 1995-06-29 1997-01-21 Motorola, Inc. Enhanced quality factor resonator
US5698928A (en) 1995-08-17 1997-12-16 Motorola, Inc. Thin film piezoelectric arrays with enhanced coupling and fabrication methods
US5692279A (en) 1995-08-17 1997-12-02 Motorola Method of making a monolithic thin film resonator lattice filter
JPH0983029A (ja) * 1995-09-11 1997-03-28 Mitsubishi Electric Corp 薄膜圧電素子の製造方法
US5702775A (en) 1995-12-26 1997-12-30 Motorola, Inc. Microelectronic device package and method
US5821833A (en) 1995-12-26 1998-10-13 Tfr Technologies, Inc. Stacked crystal filter device and method of making
US5646583A (en) 1996-01-04 1997-07-08 Rockwell International Corporation Acoustic isolator having a high impedance layer of hafnium oxide
US5760663A (en) 1996-08-23 1998-06-02 Motorola, Inc. Elliptic baw resonator filter and method of making the same
US5714917A (en) 1996-10-02 1998-02-03 Nokia Mobile Phones Limited Device incorporating a tunable thin film bulk acoustic resonator for performing amplitude and phase modulation
US6051907A (en) 1996-10-10 2000-04-18 Nokia Mobile Phones Limited Method for performing on-wafer tuning of thin film bulk acoustic wave resonators (FBARS)
US5873154A (en) 1996-10-17 1999-02-23 Nokia Mobile Phones Limited Method for fabricating a resonator having an acoustic mirror
US5780713A (en) 1996-11-19 1998-07-14 Hewlett-Packard Company Post-fabrication tuning of acoustic resonators
US5963856A (en) 1997-01-03 1999-10-05 Lucent Technologies Inc Wireless receiver including tunable RF bandpass filter
JP3301334B2 (ja) * 1997-01-31 2002-07-15 三菱電機株式会社 センサ素子及びその製造方法
US6087198A (en) 1998-02-12 2000-07-11 Texas Instruments Incorporated Low cost packaging for thin-film resonators and thin-film resonator-based filters
US5872493A (en) 1997-03-13 1999-02-16 Nokia Mobile Phones, Ltd. Bulk acoustic wave (BAW) filter having a top portion that includes a protective acoustic mirror
US5853601A (en) * 1997-04-03 1998-12-29 Northrop Grumman Corporation Top-via etch technique for forming dielectric membranes
US6127768A (en) 1997-05-09 2000-10-03 Kobe Steel Usa, Inc. Surface acoustic wave and bulk acoustic wave devices using a Zn.sub.(1-X) Yx O piezoelectric layer device
US5910756A (en) 1997-05-21 1999-06-08 Nokia Mobile Phones Limited Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators
US5894647A (en) 1997-06-30 1999-04-20 Tfr Technologies, Inc. Method for fabricating piezoelectric resonators and product
US5883575A (en) 1997-08-12 1999-03-16 Hewlett-Packard Company RF-tags utilizing thin film bulk wave acoustic resonators
US6081171A (en) 1998-04-08 2000-06-27 Nokia Mobile Phones Limited Monolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband response
FI108583B (fi) 1998-06-02 2002-02-15 Nokia Corp Resonaattorirakenteita
US6060818A (en) 1998-06-02 2000-05-09 Hewlett-Packard Company SBAR structures and method of fabrication of SBAR.FBAR film processing techniques for the manufacturing of SBAR/BAR filters
US6150703A (en) * 1998-06-29 2000-11-21 Trw Inc. Lateral mode suppression in semiconductor bulk acoustic resonator (SBAR) devices using tapered electrodes, and electrodes edge damping materials
US5942958A (en) 1998-07-27 1999-08-24 Tfr Technologies, Inc. Symmetrical piezoelectric resonator filter
US6215375B1 (en) 1999-03-30 2001-04-10 Agilent Technologies, Inc. Bulk acoustic wave resonator with improved lateral mode suppression
JP4327942B2 (ja) 1999-05-20 2009-09-09 Ｔｄｋ株式会社 薄膜圧電素子

Also Published As

Publication number Publication date
JP2002100953A (ja) 2002-04-05
JP5127014B2 (ja) 2013-01-23
EP1180494A2 (de) 2002-02-20
EP1180494A3 (de) 2003-03-26
DE60125660T2 (de) 2007-10-04
EP1180494B1 (de) 2007-01-03
US6355498B1 (en) 2002-03-12

Similar Documents

Publication Publication Date Title
DE60125660D1 (de) Herstellung von Dünnschichtresonatoren durch Freiätzung von Oberseiten darunterliegender Membranen
DE60142385D1 (de) Maske zur Herstellung von Bildschirmen
AU5997001A (en) Production of hollow ceramic membranes by electrophoretic deposition
DE60140624D1 (de) Herstellung von halbleitervorrichtungen mit luftspalten für zwischenverbindungs-strukturen mit ultra-niedrigen kapazitäten
DE69720998D1 (de) Herstellung von para-xylol durch methylierung von toluol
DE60134410D1 (de) Methode zur herstellung funktioneller proteindomänen
DE60214753D1 (de) Herstellung von folien aus dünnen schichten
DE60211535D1 (de) Verfahren zur herstellung von 2,5-diformylfuran aus kohlenhydraten
DE60217126D1 (de) Herstellung von aminopyrimidinverbindungen
DE60142487D1 (de) Verfahren zur herstellung von liposomen
DE60044178D1 (de) Herstellung einer dünnen membran
DE60122032D1 (de) Isolierender Film auf Basis von SiO2 und seine Herstellung
DK1309582T3 (da) Fremgangsmåde til fremstilling af citalopram
DE60043233D1 (de) Durch extrusion von siliziumdioxid erhaltene wabenstruktur aus titanhaltigem quarzglas
DE69823182D1 (de) Entfernung von co2 aus fluorkohlenwasserstoffen durch semipermeable membrane
ATE546425T1 (de) Herstellung von (r)-2-alkyl-3-phenylpropionsäuren
DE50101661D1 (de) Reinigung von proteineinschlusskörpern durch querstrom-mikrofiltration
DE60118800D1 (de) Vereinheitlichte filterbank zur kodierung von audiosignalen
ATE338027T1 (de) Herstellung von iminodiessigsäure-derivaten aus monoethanolamin-substraten
DE59803393D1 (de) Herstellung von polyamiden durch reaktivdestillation
DE60142051D1 (de) Herstellung von perfluorolefinen
DE60118678D1 (de) Herstellung von mikro-elektromechanischen Spiegelstrukturen
DE60141311D1 (de) Verfahren zur Herstellung von Diaphragmen
DK1296970T3 (da) Fremgangsmåde til fremstilling af citalopram
DE60008873D1 (de) Herstellung von wasser aus abgasen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition