Title:
THICKNESS SHEAR CRYSTAL OSCILLATOR
Document Type and Number:
Japanese Patent JPS52140289
Kind Code:
A
Abstract:
PURPOSE: To avoid the combination of unnecessary vibration and main vibration which is decided by the contour measurement, and thus to increase Q-value of main vibration and frequency temperature property, by having metal evaporation on the side surface of rectangular thickness shear oscillator.
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Inventors:
TAKAHASHI KUNIHIRO
Application Number:
JP5700476A
Publication Date:
November 22, 1977
Filing Date:
May 18, 1976
Export Citation:
Assignee:
SEIKO INSTR & ELECTRONICS
International Classes:
H03H9/19; H03H9/17; (IPC1-7): H01L41/04; H03H9/14
Domestic Patent References:
| JPS5267286A | 1977-06-03 |