Title:
DIAPASON TYPE CRYSTAL OSCILLATOR
Document Type and Number:
Japanese Patent JPS5334490
Kind Code:
A
Abstract:
PURPOSE: To make the oscillator small in size, by making the thickness as less than 0.5mm, thru the provision of parallel exciting electrode for only front and back surface of the crystal with photo etching and thru the maching of diapason type crystal oscillator not by etching but by machine.
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Inventors:
KAWASHIMA HIROFUMI
Application Number:
JP10915076A
Publication Date:
March 31, 1978
Filing Date:
September 10, 1976
Export Citation:
Assignee:
SEIKO INSTR & ELECTRONICS
International Classes:
H03H9/21; (IPC1-7): H01L41/04; H03H9/14
Domestic Patent References:
JPS4883793A | 1973-11-08 | |||
JPS5062591A | 1975-05-28 | |||
JPS49131088A | 1974-12-16 | |||
JPS5096191A | 1975-07-31 | |||
JPS513888A | 1976-01-13 | |||
JPS4873093A | 1973-10-02 | |||
JPS4940086A | 1974-04-15 |
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