Process for the preparation of piezoelectric crystal elements

Details Process for the preparation of piezoelectric crystal elements Process for the preparation of piezoelectric crystal elements

2011-03-22

2011-03-22

Tugbang, A. Dexter (Department: 3729)

Metal working

Piezoelectric device making

C029S846000, C310S333000, C310S360000, C252S06290R

Reexamination Certificate

active

07908722

ABSTRACT:
A process for the preparation of piezoelectric single crystal elements involving the steps of mechanically finishing of a single crystal element with cuttings such as zxt±45°, coating electrodes on a pair of Z surfaces, poling the single crystal in a direction along the <011> axis under a 500V/mm electric field.

REFERENCES:
patent: 5804907 (1998-09-01), Park et al.
patent: 6465937 (2002-10-01), Chen et al.
patent: 06164285 (1994-06-01), None
Nakamura et al, “Electromechanical Coupling Factor KNbO3 Single Crystal”, 1999 Proceedings Ultrasonics Symposium IEEE, vol. 2, 1999, pp. 1013-1018.

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