Method of producing a piezoelectric resonator

Details Method of producing a piezoelectric resonator Method of producing a piezoelectric resonator

2005-11-08

2005-11-08

Tugbang, A. Dexter (Department: 3729)

Metal working

Piezoelectric device making

C029S830000, C029S831000, C029S847000, C216S046000

Reexamination Certificate

active

06961981

ABSTRACT:
The invention concerns a piezoelectric resonator piece of a piezoelectric resonator having electrode patterns for forming exciting electrodes each of which is composed of an under a metal layer. Each of the electrode patterns for forming conduction electrodes is composed of the under metal layer except the curved or bent portions of the sides of the piezoelectric resonator piece and each of the electrode patterns in these portions are composed of the under metal layer and a gold electrode layer. It is thus possible to provide a piezoelectric resonator in which, even when noble metal layers are partially removed for increasing adhesion of surface protecting films, exciting electrodes are not brought into an open state between the upper side and the lower side of a piezoelectric resonator piece.

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