GB2241823B - Surface acoustic wave device - Google Patents

Surface acoustic wave device

Info

Publication number
GB2241823B
GB2241823B GB9104831A GB9104831A GB2241823B GB 2241823 B GB2241823 B GB 2241823B GB 9104831 A GB9104831 A GB 9104831A GB 9104831 A GB9104831 A GB 9104831A GB 2241823 B GB2241823 B GB 2241823B
Authority
GB
United Kingdom
Prior art keywords
acoustic wave
surface acoustic
wave device
wave
acoustic
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
GB9104831A
Other versions
GB2241823A (en
GB9104831D0 (en
Inventor
James A Greor
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.)
Raytheon Co
Original Assignee
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Publication of GB9104831D0 publication Critical patent/GB9104831D0/en
Publication of GB2241823A publication Critical patent/GB2241823A/en
Application granted granted Critical
Publication of GB2241823B publication Critical patent/GB2241823B/en
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
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1064—Mounting in enclosures for surface acoustic wave [SAW] devices
    • H03H9/1092—Mounting in enclosures for surface acoustic wave [SAW] devices the enclosure being defined by a cover cap mounted on an element forming part of the surface acoustic wave [SAW] device on the side of the IDT's
    • 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
    • H03H3/08—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 resonators or networks using surface acoustic waves
    • H03H3/10—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 resonators or networks using surface acoustic waves for obtaining desired frequency or temperature coefficient
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
GB9104831A 1986-12-22 1991-03-07 Surface acoustic wave device Expired - Lifetime GB2241823B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94491186A 1986-12-22 1986-12-22

Publications (3)

Publication Number Publication Date
GB9104831D0 GB9104831D0 (en) 1991-04-17
GB2241823A GB2241823A (en) 1991-09-11
GB2241823B true GB2241823B (en) 1991-11-27

Family

ID=25482269

Family Applications (3)

Application Number Title Priority Date Filing Date
GB8729430A Expired - Lifetime GB2199985B (en) 1986-12-22 1987-12-17 Surface acoustic wave device
GB9104831A Expired - Lifetime GB2241823B (en) 1986-12-22 1991-03-07 Surface acoustic wave device
GB9104830A Expired - Lifetime GB2241822B (en) 1986-12-22 1991-03-07 Surface acoustic wave device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8729430A Expired - Lifetime GB2199985B (en) 1986-12-22 1987-12-17 Surface acoustic wave device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9104830A Expired - Lifetime GB2241822B (en) 1986-12-22 1991-03-07 Surface acoustic wave device

Country Status (5)

Country Link
JP (1) JPS63246911A (en)
CA (1) CA1286024C (en)
DE (1) DE3743592C2 (en)
FR (1) FR2609347B1 (en)
GB (3) GB2199985B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933588A (en) * 1988-12-23 1990-06-12 Raytheon Company Higher order transverse mode suppression in surface acoustic wave resonators
GB2236616B (en) * 1989-10-04 1993-03-31 Stc Plc Crystal frequency adjustment
DE4420347C2 (en) * 1994-06-01 1997-04-17 Laser Micro Praezision Lmp Method for matching electronic components
EP1078453B1 (en) 1998-05-08 2003-04-16 Infineon Technologies AG Thin-layered piezo-resonator
JP4826633B2 (en) * 2006-11-24 2011-11-30 株式会社村田製作所 Boundary wave device manufacturing method and boundary acoustic wave device
DE102012108106B4 (en) * 2012-08-31 2016-06-16 Epcos Ag MEMS component and method for manufacturing an acoustic wave MEMS device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB914814A (en) * 1958-06-26 1963-01-02 Kristall Verarbeitung Neckarbi Improvements in or relating to the frequency trimming of piezo-electric resonator units
GB1218721A (en) * 1968-01-16 1971-01-13 Thomson Csf Improved method for adjusting a crystal oscillator
WO1984000082A1 (en) * 1982-06-14 1984-01-05 Gte Prod Corp Trimming of piezoelectric components
WO1984000081A1 (en) * 1982-06-14 1984-01-05 Gte Prod Corp Apparatus for trimming of piezoelectric components

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766616A (en) * 1972-03-22 1973-10-23 Statek Corp Microresonator packaging and tuning
JPS5331932A (en) * 1976-09-06 1978-03-25 Nec Corp Surface wave conversion device
US4107349A (en) * 1977-08-12 1978-08-15 The United States Of America As Represented By The Secretary Of The Army Method of adjusting the frequency of piezoelectric resonators
JPS5510907A (en) * 1978-07-07 1980-01-25 Hitachi Ltd Portable dressing table with hair dryer
US4243960A (en) * 1978-08-14 1981-01-06 The United States Of America As Represented By The Secretary Of The Navy Method and materials for tuning the center frequency of narrow-band surface-acoustic-wave (SAW) devices by means of dielectric overlays
US4213104A (en) * 1978-09-25 1980-07-15 United Technologies Corporation Vacuum encapsulation for surface acoustic wave (SAW) devices
DE2842577C2 (en) * 1978-09-29 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Rectangular waveguide angle piece nodulated over the broad side of the waveguide
US4270105A (en) * 1979-05-14 1981-05-26 Raytheon Company Stabilized surface wave device
US4364016A (en) * 1980-11-03 1982-12-14 Sperry Corporation Method for post fabrication frequency trimming of surface acoustic wave devices
JPS5789319A (en) * 1980-11-26 1982-06-03 Kinseki Kk Piezoelectric oscillator and method for adjusting its frequency
JPS57131110A (en) * 1981-02-06 1982-08-13 Citizen Watch Co Ltd Frequency controlling method of quartz oscillator
JPS58170210A (en) * 1982-03-31 1983-10-06 Fujitsu Ltd Manufacture of crystal oscillator
US4442574A (en) * 1982-07-26 1984-04-17 General Electric Company Frequency trimming of saw resonators
JPS5840849A (en) * 1982-08-26 1983-03-09 Nec Corp Thin film wiring circuit
JPS5994910A (en) * 1982-11-19 1984-05-31 Toyo Commun Equip Co Ltd Frequency fine adjusting method
US4435441A (en) * 1982-12-30 1984-03-06 The United States Of America As Represented By The Secretary Of The Army Method of frequency trimming surface acoustic wave devices
JPS59210708A (en) * 1983-05-13 1984-11-29 Matsushita Electric Ind Co Ltd Manufacture of surface acoustic wave device
JPS6089116A (en) * 1983-10-21 1985-05-20 Matsushita Electric Ind Co Ltd Manufacture of surface acoustic wave device
JPS6127450A (en) * 1984-07-16 1986-02-06 Matsushita Electric Ind Co Ltd Solar heat water heater
US4598224A (en) * 1985-08-07 1986-07-01 The United States Of America As Represented By The Secretary Of The Army Surface acoustic wave device for sensing the presence of chemical agents

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB914814A (en) * 1958-06-26 1963-01-02 Kristall Verarbeitung Neckarbi Improvements in or relating to the frequency trimming of piezo-electric resonator units
GB1218721A (en) * 1968-01-16 1971-01-13 Thomson Csf Improved method for adjusting a crystal oscillator
WO1984000082A1 (en) * 1982-06-14 1984-01-05 Gte Prod Corp Trimming of piezoelectric components
WO1984000081A1 (en) * 1982-06-14 1984-01-05 Gte Prod Corp Apparatus for trimming of piezoelectric components

Also Published As

Publication number Publication date
JPS63246911A (en) 1988-10-13
GB9104830D0 (en) 1991-04-17
GB2199985A (en) 1988-07-20
GB2241822B (en) 1991-11-27
GB2199985B (en) 1991-09-11
DE3743592C2 (en) 2000-10-26
FR2609347A1 (en) 1988-07-08
DE3743592A1 (en) 1988-07-14
JPH0554726B2 (en) 1993-08-13
GB2241823A (en) 1991-09-11
GB8729430D0 (en) 1988-02-03
CA1286024C (en) 1991-07-09
GB9104831D0 (en) 1991-04-17
GB2241822A (en) 1991-09-11
FR2609347B1 (en) 1992-10-09

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20071216