Piezoelectric ceramic composition and piezoelectric device using

Details Piezoelectric ceramic composition and piezoelectric device using Piezoelectric ceramic composition and piezoelectric device using

1998-12-01

2000-09-26

Koslow, C. Melissa

Compositions

Piezoelectric

Lead, zirconium, titanium or compound thereof containing

561134, 310311, C04B 35493, H01L 41187

Patent

active

061238678

ABSTRACT:
A piezoelectric ceramic composition comprises a composite oxide of Pb, Ti and Zr as a main component and Mn and at least one metal element selected from the group consisting of Y, Dy, Er, Ho, Tm, Lu and Yb as subsidiary components. A piezoelectric device comprises such a piezoelectric ceramic composition.

REFERENCES:
patent: 3830742 (1974-08-01), Nishida et al.
patent: 3890241 (1975-06-01), Nishida et al.
patent: 4210546 (1980-07-01), Ouchi et al.
patent: 4392970 (1983-07-01), Ouchi et al.
patent: 5648012 (1997-07-01), Higashibeppu et al.

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