Method for manufacturing piezo-electric vibrator

Details Method for manufacturing piezo-electric vibrator Method for manufacturing piezo-electric vibrator

2006-02-14

2006-02-14

Arbes, Carl J. (Department: 3729)

Metal working

Piezoelectric device making

C029S593000, C029S594000, C029S831000, C029S847000, C310S370000

Reexamination Certificate

active

06996884

ABSTRACT:
In a method for manufacturing a piezo-electric vibrator, a vibrator is provided having a vibrator piece and a frame surrounding a periphery of the vibrator piece. A first exciting electrode is formed on the vibrator piece. A weight is disposed on the vibrator piece in spaced-apart relation to the first exciting electrode. A characteristic of the vibrator is then adjusted. The first exciting electrode is removed and a metal film is formed on a surface of the vibrator. The metal film is patterned and a second exciting electrode is formed on the vibrator piece.

REFERENCES:
patent: 4172908 (1979-10-01), Shibata et al.
patent: 4377765 (1983-03-01), Kogure et al.
patent: 4592663 (1986-06-01), EerNisse et al.
patent: 6237415 (2001-05-01), Konno et al.

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