DE2431219A1 - - Google Patents

Info

Publication number
DE2431219A1
DE2431219A1 DE19742431219 DE2431219A DE2431219A1 DE 2431219 A1 DE2431219 A1 DE 2431219A1 DE 19742431219 DE19742431219 DE 19742431219 DE 2431219 A DE2431219 A DE 2431219A DE 2431219 A1 DE2431219 A1 DE 2431219A1
Authority
DE
Germany
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.)
Granted
Application number
DE19742431219
Other languages
German (de)
Other versions
DE2431219B1 (de
DE2431219C2 (de
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
Priority to DE19742431219 priority Critical patent/DE2431219C2/de
Priority claimed from DE19742431219 external-priority patent/DE2431219C2/de
Publication of DE2431219A1 publication Critical patent/DE2431219A1/de
Publication of DE2431219B1 publication Critical patent/DE2431219B1/de
Application granted granted Critical
Publication of DE2431219C2 publication Critical patent/DE2431219C2/de
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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
    • 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
    • H03H3/02—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 piezoelectric or electrostrictive resonators or networks
    • H03H3/04—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 piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H03H2003/0414—Resonance frequency
    • H03H2003/0421—Modification of the thickness of an element
    • H03H2003/0428—Modification of the thickness of an element of an electrode

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE19742431219 1974-06-28 Scheibenförmiges piezoelektrisches Schwingelement mit Anschluß- und Anregungselektroden Expired DE2431219C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19742431219 DE2431219C2 (de) 1974-06-28 Scheibenförmiges piezoelektrisches Schwingelement mit Anschluß- und Anregungselektroden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742431219 DE2431219C2 (de) 1974-06-28 Scheibenförmiges piezoelektrisches Schwingelement mit Anschluß- und Anregungselektroden

Publications (3)

Publication Number Publication Date
DE2431219A1 true DE2431219A1 (cs) 1975-09-11
DE2431219B1 DE2431219B1 (de) 1975-09-11
DE2431219C2 DE2431219C2 (de) 1976-04-22

Family

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Also Published As

Publication number Publication date
DE2431219B1 (de) 1975-09-11

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee