Piezoelectric ceramic compositions

Details Piezoelectric ceramic compositions Piezoelectric ceramic compositions

1995-11-27

1998-12-15

Bonner, Melissa

Compositions

Piezoelectric

Lead, zirconium, titanium or compound thereof containing

501134, 501135, C04B 35491, C04B 35493, C04B 3549

Patent

active

058492119

ABSTRACT:
A three-component piezoelectric ceramic composition having a large electro-mechanical coupling coefficient and high mechanical strength, composed of xPb(Mg.sub.w/3 Nb.sub.1-w/3)O.sub.3 -yPbZrO.sub.3 -zPbTiO.sub.3, is adapted so as to place points representing the compositional proportions x, y, and z (x+y+z=1) on lines connecting points

REFERENCES:
patent: 3268453 (1966-08-01), Ouchi et al.
patent: 3449253 (1969-06-01), Hayakawa et al.
Patent Abstracts of Japan, vol. 016, No. 022 (E-1156), Jan. 20, 1992; & JP-A-03-23881 (Nippon Cement Co., Ltd.). Oct. 24, 1991.
Patent Abstracts of Japan,. vol. 016, No. 204 (E-1202), May 15, 1992; & JP-A-56-001587 (Matsushita Electric Ind. Co., Ltd.). Jan. 9, 1981.
Patent Abstracts of Japan, vol. 005, No. 051 ( E-051), Apr. 10, 1981; & JP-A-56-001587 (Matsushita Electric Ind. Co., Ltd.). Jan. 9, 1981.

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