BE821003A - Dispositif a ondes de surface acoustiques - Google Patents

Dispositif a ondes de surface acoustiques

Info

Publication number
BE821003A
BE821003A BE149475A BE149475A BE821003A BE 821003 A BE821003 A BE 821003A BE 149475 A BE149475 A BE 149475A BE 149475 A BE149475 A BE 149475A BE 821003 A BE821003 A BE 821003A
Authority
BE
Belgium
Prior art keywords
acoustic wave
surface acoustic
wave device
wave
acoustic
Prior art date
Application number
BE149475A
Other languages
English (en)
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 filed Critical
Publication of BE821003A publication Critical patent/BE821003A/fr

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
    • H03H9/30—Time-delay networks
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
BE149475A 1973-10-12 1974-10-11 Dispositif a ondes de surface acoustiques BE821003A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4774573A GB1440950A (en) 1973-10-12 1973-10-12 Acoustic surface-wave devices

Publications (1)

Publication Number Publication Date
BE821003A true BE821003A (fr) 1975-04-11

Family

ID=10446109

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149475A BE821003A (fr) 1973-10-12 1974-10-11 Dispositif a ondes de surface acoustiques

Country Status (12)

Country Link
US (1) US3956647A (fr)
JP (1) JPS5080051A (fr)
AU (1) AU7417874A (fr)
BE (1) BE821003A (fr)
BR (1) BR7408485D0 (fr)
CA (1) CA1019812A (fr)
DE (1) DE2447814A1 (fr)
ES (1) ES430906A1 (fr)
FR (1) FR2247850B1 (fr)
GB (1) GB1440950A (fr)
IT (1) IT1020984B (fr)
SE (1) SE398585B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044321A (en) * 1976-03-01 1977-08-23 Rockwell International Corporation Surface acoustic wave band pass filtering
GB2000926B (en) * 1977-07-05 1982-04-28 Texas Instruments Inc Channel selector for television receiver
JPS5643819A (en) * 1979-09-18 1981-04-22 Nec Corp Surface elastic wave filter
CA1227862A (fr) * 1981-08-17 1987-10-06 Sumitomo Electric Industries, Ltd. Circuits optiques integres
JPS5964908A (ja) * 1982-10-05 1984-04-13 Nobuo Mikoshiba 弾性表面波素子
WO1992017937A1 (fr) * 1991-03-28 1992-10-15 Siemens Aktiengesellschaft Dispositif a ondes de surface ayant une structure qui permet d'eliminer des composantes perturbatrices des ondes acoustiques
JP3243047B2 (ja) * 1993-03-12 2002-01-07 呉羽化学工業株式会社 受波型圧電素子
US5576589A (en) * 1994-10-13 1996-11-19 Kobe Steel Usa, Inc. Diamond surface acoustic wave devices
DE10102747B4 (de) * 2001-01-22 2010-06-10 Epcos Ag Piezoelektrisches Substrat und Verfahren zur Herstellung
DE102015106191A1 (de) * 2015-04-22 2016-10-27 Epcos Ag Elektroakustisches Bauelement mit verbesserter Akustik

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070761A (en) * 1953-05-07 1962-12-25 Smith & Sons Ltd S Ultrasonic delay lines
US3845420A (en) * 1973-03-02 1974-10-29 Raytheon Co Surface acoustic wave phase control device
US3846722A (en) * 1973-04-04 1974-11-05 Westinghouse Electric Corp Surface wave preselector
US3866153A (en) * 1973-10-11 1975-02-11 Us Air Force Ultra low diffraction loss substrate members for acoustic surface wave devices
US3845418A (en) * 1974-01-02 1974-10-29 Hughes Aircraft Co Acoustic surface wave device with reduced rf feedthrough

Also Published As

Publication number Publication date
GB1440950A (en) 1976-06-30
US3956647A (en) 1976-05-11
ES430906A1 (es) 1976-10-16
BR7408485D0 (pt) 1975-09-16
SE398585B (sv) 1977-12-27
IT1020984B (it) 1977-12-30
FR2247850A1 (fr) 1975-05-09
AU7417874A (en) 1976-04-15
SE7412716L (fr) 1975-04-14
FR2247850B1 (fr) 1979-06-01
CA1019812A (fr) 1977-10-25
JPS5080051A (fr) 1975-06-28
DE2447814A1 (de) 1975-04-17

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