JPS5544250A - Oscillator - Google Patents

Oscillator

Info

Publication number
JPS5544250A
JPS5544250A JP11713178A JP11713178A JPS5544250A JP S5544250 A JPS5544250 A JP S5544250A JP 11713178 A JP11713178 A JP 11713178A JP 11713178 A JP11713178 A JP 11713178A JP S5544250 A JPS5544250 A JP S5544250A
Authority
JP
Japan
Prior art keywords
electrode
thin film
hole
vertical
zno
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.)
Pending
Application number
JP11713178A
Other languages
Japanese (ja)
Inventor
Hirochika Sato
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP11713178A priority Critical patent/JPS5544250A/en
Publication of JPS5544250A publication Critical patent/JPS5544250A/en
Pending 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
    • H03H9/125—Driving means, e.g. electrodes, coils

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To make small the size and low in the cost of the oscillator used for electronic wrist watches, by using effectively electric field even with poor crystal axis directivity of piezoelectric material, through the provision of hole and concave on the electrode provided at the surface of the thin film piezoelectric member. CONSTITUTION:On the surface of the oscillation piece 10 formed from the constant elastic material, ZnO thin film pieozoelectric material 11 is attached by sputtering, and on this film, the excitation electrode 12 having the hole 13 is provided with the means of sputtering. The electric field 15 fed to ZnO thin film 11 between the electrode 12 having the hole 13 and the oscillation piece 10 is almost vertical at the center of electrode but not vertical at the ends. If mesh is increased, the vertical component of the arrow 16 is given, and when the crystal axis (axis C) of ZnO is 16 direction, no loss is produced even if the directivity is more or less poor.
JP11713178A 1978-09-22 1978-09-22 Oscillator Pending JPS5544250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11713178A JPS5544250A (en) 1978-09-22 1978-09-22 Oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11713178A JPS5544250A (en) 1978-09-22 1978-09-22 Oscillator

Publications (1)

Publication Number Publication Date
JPS5544250A true JPS5544250A (en) 1980-03-28

Family

ID=14704202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11713178A Pending JPS5544250A (en) 1978-09-22 1978-09-22 Oscillator

Country Status (1)

Country Link
JP (1) JPS5544250A (en)

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