CA1019829A - Dispositifs pour onde de surface acoustique - Google Patents

Dispositifs pour onde de surface acoustique

Info

Publication number
CA1019829A
CA1019829A CA211,259A CA211259A CA1019829A CA 1019829 A CA1019829 A CA 1019829A CA 211259 A CA211259 A CA 211259A CA 1019829 A CA1019829 A CA 1019829A
Authority
CA
Canada
Prior art keywords
surface wave
wave devices
acoustic surface
acoustic
devices
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
CA211,259A
Other languages
English (en)
Other versions
CA211259S (fr
Inventor
Eileen Read
Richard Stevens
Richard F. Mitchell
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1019829A publication Critical patent/CA1019829A/fr
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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • 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
    • 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
    • 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
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
CA211,259A 1973-10-12 1974-10-11 Dispositifs pour onde de surface acoustique Expired CA1019829A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4774373A GB1474180A (en) 1973-10-12 1973-10-12 Acoustic surface wave devices
GB4774473 1973-10-12

Publications (1)

Publication Number Publication Date
CA1019829A true CA1019829A (fr) 1977-10-25

Family

ID=26266126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211,259A Expired CA1019829A (fr) 1973-10-12 1974-10-11 Dispositifs pour onde de surface acoustique

Country Status (12)

Country Link
US (1) US3983515A (fr)
JP (1) JPS5080054A (fr)
AR (1) AR208674A1 (fr)
AU (1) AU7398374A (fr)
BE (1) BE821002A (fr)
BR (1) BR7408384D0 (fr)
CA (1) CA1019829A (fr)
DE (1) DE2448097A1 (fr)
ES (2) ES430875A1 (fr)
FR (1) FR2247849B1 (fr)
GB (1) GB1474180A (fr)
SE (1) SE402393B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585087A (en) * 1976-07-29 1981-02-25 Plessey Co Ltd Surface acoustic wave filters
US4047130A (en) * 1976-08-27 1977-09-06 Rockwell International Corporation Surface acoustic wave filter
GB1591624A (en) * 1977-01-24 1981-06-24 Secr Defence Acoustic wave devices
US4109173A (en) * 1977-08-19 1978-08-22 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling, low diffraction loss, temperature compensated berlinite substrate members for surface acoustic wave devices
US4109172A (en) * 1977-08-19 1978-08-22 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling-temperature compensated berlinite substrate member for surface acoustic wave devices
JP2869075B2 (ja) * 1988-12-09 1999-03-10 日立建機株式会社 配向性薄膜パターンの形成方法、配向性薄膜パターンおよび薄膜アレイ超音波変換器の薄膜素子の形成方法
DK0758818T3 (da) * 1995-08-15 2000-07-24 Cts Corp Overfladeskimmende massebølgesubstat og anordning indeholdende samme
DE19641662B4 (de) * 1995-10-13 2004-07-01 Fujitsu Ltd., Kawasaki Oberflächenakustikwellenvorrichtung mit einem optimierten Schnittwinkel eines piezoelektrischen Substrats
JPH09167936A (ja) 1995-10-13 1997-06-24 Fujitsu Ltd 弾性表面波装置
WO2004112093A2 (fr) 2003-06-06 2004-12-23 P.C.T. Systems, Inc. Procedes et appareil pour traiter des substrats avec de l'energie megasonique
US10648868B2 (en) * 2014-12-24 2020-05-12 Citizen Watch Co., Ltd. Surface acoustic wave device
WO2018140938A1 (fr) 2017-01-30 2018-08-02 The Charles Stark Draper Laboratory, Inc. Modulateurs de scie et procédés de pilotage de lumière

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387235A (en) * 1964-06-11 1968-06-04 Bell Telephone Labor Inc Signal dispersion system

Also Published As

Publication number Publication date
FR2247849A1 (fr) 1975-05-09
AU7398374A (en) 1976-04-08
ES430875A1 (es) 1977-02-16
GB1474180A (en) 1977-05-18
JPS5080054A (fr) 1975-06-28
SE402393B (sv) 1978-06-26
DE2448097A1 (de) 1975-04-17
BR7408384D0 (pt) 1975-07-29
FR2247849B1 (fr) 1978-10-13
AR208674A1 (es) 1977-02-28
BE821002A (fr) 1975-04-11
ES435723A1 (es) 1977-02-01
SE7412652L (fr) 1975-05-23
US3983515A (en) 1976-09-28

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