BE785364A - Element fonctionnel travaillant suivant le principe des ondes superficielles - Google Patents

Element fonctionnel travaillant suivant le principe des ondes superficielles

Info

Publication number
BE785364A
BE785364A BE785364A BE785364A BE785364A BE 785364 A BE785364 A BE 785364A BE 785364 A BE785364 A BE 785364A BE 785364 A BE785364 A BE 785364A BE 785364 A BE785364 A BE 785364A
Authority
BE
Belgium
Prior art keywords
principle
functional element
surface waves
element working
working following
Prior art date
Application number
BE785364A
Other languages
English (en)
French (fr)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE785364A publication Critical patent/BE785364A/xx

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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
    • 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
    • H03H9/02535—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
    • H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
BE785364A 1971-06-25 1972-06-23 Element fonctionnel travaillant suivant le principe des ondes superficielles BE785364A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712131614 DE2131614A1 (de) 1971-06-25 1971-06-25 Funktionselement nach dem Oberflaechenwellenprinzip,insbesondere Frequenzfilter oder Ultraschallverzoegerungsleitung

Publications (1)

Publication Number Publication Date
BE785364A true BE785364A (fr) 1972-10-16

Family

ID=5811794

Family Applications (1)

Application Number Title Priority Date Filing Date
BE785364A BE785364A (fr) 1971-06-25 1972-06-23 Element fonctionnel travaillant suivant le principe des ondes superficielles

Country Status (6)

Country Link
BE (1) BE785364A (OSRAM)
DE (1) DE2131614A1 (OSRAM)
FR (1) FR2143368B1 (OSRAM)
GB (1) GB1361912A (OSRAM)
IT (1) IT956738B (OSRAM)
NL (1) NL7208444A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105252A (en) * 1975-03-13 1976-09-17 Asahi Glass Co Ltd Choonpakotaichensen oyobi sonoseizoho
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element
JP3270042B2 (ja) * 1991-03-28 2002-04-02 エプコス アクチエンゲゼルシャフト 障害音響波成分が発生するのを防止する表面波構造を有する表面波装置
JP2019040919A (ja) * 2017-08-22 2019-03-14 株式会社ディスコ 切削装置及び溝検出方法

Also Published As

Publication number Publication date
GB1361912A (en) 1974-07-30
FR2143368A1 (OSRAM) 1973-02-02
DE2131614A1 (de) 1972-12-28
NL7208444A (OSRAM) 1972-12-28
IT956738B (it) 1973-10-10
FR2143368B1 (OSRAM) 1973-07-13

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