GB2125616B - Monolithic crystal filters - Google Patents

Monolithic crystal filters

Info

Publication number
GB2125616B
GB2125616B GB08317465A GB8317465A GB2125616B GB 2125616 B GB2125616 B GB 2125616B GB 08317465 A GB08317465 A GB 08317465A GB 8317465 A GB8317465 A GB 8317465A GB 2125616 B GB2125616 B GB 2125616B
Authority
GB
United Kingdom
Prior art keywords
crystal filters
monolithic crystal
monolithic
filters
crystal
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
Application number
GB08317465A
Other languages
English (en)
Other versions
GB2125616A (en
GB8317465D0 (en
Inventor
Gerald Ewing Roberts
Alfred Gordon Staples
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8317465D0 publication Critical patent/GB8317465D0/en
Publication of GB2125616A publication Critical patent/GB2125616A/en
Application granted granted Critical
Publication of GB2125616B publication Critical patent/GB2125616B/en
Expired 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 elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/0504—Holders or supports for bulk acoustic wave devices
    • H03H9/0528—Holders or supports for bulk acoustic wave devices consisting of clips
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

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)
GB08317465A 1982-07-07 1983-06-28 Monolithic crystal filters Expired GB2125616B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/395,986 US4484158A (en) 1982-07-07 1982-07-07 Monolithic crystal filter and method of manufacturing same

Publications (3)

Publication Number Publication Date
GB8317465D0 GB8317465D0 (en) 1983-08-03
GB2125616A GB2125616A (en) 1984-03-07
GB2125616B true GB2125616B (en) 1986-10-08

Family

ID=23565385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08317465A Expired GB2125616B (en) 1982-07-07 1983-06-28 Monolithic crystal filters

Country Status (4)

Country Link
US (1) US4484158A (https=)
JP (2) JPS5941913A (https=)
DE (1) DE3321776A1 (https=)
GB (1) GB2125616B (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727318A (en) * 1984-10-04 1988-02-23 Sony/Tektronix Corporation Apparatus for measuring characteristics of electronic devices
US4627533A (en) * 1984-10-29 1986-12-09 Hughes Aircraft Company Ceramic package for compensated crystal oscillator
US4706350A (en) * 1985-01-07 1987-11-17 Motorola, Inc. Self-locating, self-fixturing hard crystal blank mounting system
US5146174A (en) * 1990-02-16 1992-09-08 Ericsson Ge Mobile Communications Inc. Switching arrangement method and apparatus for making parameter measurement and adjustment of coupled dual resonator crystals using both resonator ports
JP2505884Y2 (ja) * 1990-07-02 1996-08-07 株式会社大真空 圧電フィルタのシ―ルド構造
KR960006639B1 (ko) * 1991-04-22 1996-05-22 모토로라 인코포레이티드 표면 설치 가능한 압전 장치
US5572082A (en) * 1994-11-14 1996-11-05 Sokol; Thomas J. Monolithic crystal strip filter
US5594354A (en) * 1995-01-09 1997-01-14 Xtal Technologies, Ltd. Method for measuring selected frequencies of a coupled-dual resonator crystal
US5587663A (en) * 1995-01-09 1996-12-24 Xtal Technologies, Ltd. Method for measuring the inductance of each resonator of a coupled-dual resonator crystal
US5568006A (en) * 1995-04-28 1996-10-22 Motorola, Inc. Surface mount crystal package with receptacle mounting
DE19649549C1 (de) * 1996-11-29 1998-04-09 Bosch Gmbh Robert Anordnung, insbesondere zur Verwendung in einem elektronischen Steuergerät, und Verfahren zur Herstellung derselben
USD446499S1 (en) 2000-07-17 2001-08-14 Apple Computer, Inc. Power amplifier
USD490840S1 (en) 2002-10-30 2004-06-01 Vivotech, Inc. Proximity interface for transaction acceptance systems
USD550196S1 (en) * 2006-10-16 2007-09-04 Griffin Technology, Inc. Radio transmitter which is connectable to a computer or an MP3 player device
USD588545S1 (en) 2007-01-05 2009-03-17 Apple Inc. Connectors
USD583299S1 (en) * 2008-08-01 2008-12-23 Manson William C Vehicle armrest
USD695226S1 (en) 2011-05-20 2013-12-10 Apple Inc. Connector
KR20170114313A (ko) * 2016-04-04 2017-10-16 삼성전기주식회사 Baw 필터 및 그 제조방법
USD808192S1 (en) * 2016-07-21 2018-01-23 A Z Industries, Inc. Magnetic firearm holder
USD888700S1 (en) * 2018-08-17 2020-06-30 Asustek Computer Inc. Mobile phone
USD972558S1 (en) * 2020-12-14 2022-12-13 Meta Platforms Technologies, Llc Display device

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1238898A (fr) * 1959-07-09 1960-08-19 Observatoire Paris Quartz piézoélectrique
GB1196845A (en) * 1968-06-04 1970-07-01 Gen Electric & English Elect Improvements in or relating to Monolithic Crystal Filters.
GB1197129A (en) * 1968-06-04 1970-07-01 Gen Electric & English Elect Improvements in or relating to Monolithic Crystal Filters
GB1209808A (en) * 1968-11-19 1970-10-21 Gen Electric & English Elect Improvements in or relating to electromechanical band-pass filters
US3656180A (en) * 1970-08-12 1972-04-11 Bell Telephone Labor Inc Crystal filter
US3739304A (en) * 1971-09-27 1973-06-12 Bell Telephone Labor Inc Resonator interconnections in monolithic crystal filters
IT967193B (it) * 1971-09-29 1974-02-28 Licentia Gmbh Supporto per un filtro elettro meccanico
US3754153A (en) * 1971-12-02 1973-08-21 Bulova Watch Co Inc Crystal mounting assembly
US3828210A (en) * 1973-01-22 1974-08-06 Motorola Inc Temperature compensated mounting structure for coupled resonator crystals
GB1420348A (en) * 1973-11-08 1976-01-07 Standard Telephones Cables Ltd Piezoelectric resonator
CH582957A5 (https=) * 1974-08-20 1976-12-15 Suisse Horlogerie
JPS5145430A (en) * 1974-10-16 1976-04-17 Nittetsu Kinzoku Kogyo Kk Entosairo niokeru hotsupaakumitatesetsuchiho
GB1521220A (en) * 1976-08-24 1978-08-16 Seikosha Kk Quartz crystal oscillator,arrangement and a method of making the same
JPS5837149Y2 (ja) * 1976-12-21 1983-08-22 松下電器産業株式会社 セラミツクフイルタ
US4156214A (en) * 1977-01-14 1979-05-22 Motorola, Inc. Multipole resonator
JPS593613Y2 (ja) * 1977-02-15 1984-02-01 キンセキ株式会社 圧電振動子
SE415428B (sv) * 1978-12-20 1980-09-29 Ericsson Telefon Ab L M Kristallfilterstruktur
GB2044527B (en) * 1978-12-27 1983-05-25 Murata Manufacturing Co Piezoelectric unit and device
DE2925893A1 (de) * 1979-06-27 1981-01-08 Standard Elektrik Lorenz Ag Aus keramikresonatoren aufgebautes filter
JPS5797717A (en) * 1980-12-10 1982-06-17 Toko Inc Piezoelectric filter and its production
US4342014A (en) * 1981-01-05 1982-07-27 Motorola, Inc. Multi-resonator crystal filter having a reduced number of pins and method of fabrication thereof
US4343827A (en) * 1981-01-08 1982-08-10 Western Electric Company, Inc. Method of fine-tuning a monolithic crystal filter

Also Published As

Publication number Publication date
JPS5941913A (ja) 1984-03-08
GB2125616A (en) 1984-03-07
JPH0712137B2 (ja) 1995-02-08
GB8317465D0 (en) 1983-08-03
US4484158A (en) 1984-11-20
JPH05191203A (ja) 1993-07-30
JPH0475684B2 (https=) 1992-12-01
DE3321776A1 (de) 1984-01-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee