BE785364A - FUNCTIONAL ELEMENT WORKING FOLLOWING THE PRINCIPLE OF SURFACE WAVES - Google Patents

FUNCTIONAL ELEMENT WORKING FOLLOWING THE PRINCIPLE OF SURFACE WAVES

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
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/en

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
    • H03H9/02818—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 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
    • H03H9/02629—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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
BE785364A 1971-06-25 1972-06-23 FUNCTIONAL ELEMENT WORKING FOLLOWING THE PRINCIPLE OF SURFACE WAVES BE785364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712131614 DE2131614A1 (en) 1971-06-25 1971-06-25 Functional element based on the surface wave principle, in particular frequency filter or ultrasonic delay line

Publications (1)

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

Family

ID=5811794

Family Applications (1)

Application Number Title Priority Date Filing Date
BE785364A BE785364A (en) 1971-06-25 1972-06-23 FUNCTIONAL ELEMENT WORKING FOLLOWING THE PRINCIPLE OF SURFACE WAVES

Country Status (6)

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

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
US5414321A (en) * 1991-03-28 1995-05-09 Siemens Aktiengesellschaft Surface-wave arrangement having a structure for preventing interfering acoustic wave components
JP2019040919A (en) * 2017-08-22 2019-03-14 株式会社ディスコ Cutting machine and method for detecting groove

Also Published As

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

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