Piezoelectric/electrostrictive ceramic composition,...

Details Piezoelectric/electrostrictive ceramic composition,... Piezoelectric/electrostrictive ceramic composition,...

2007-02-13

2007-02-13

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

C252S06290R, C310S311000, C310S358000

Reexamination Certificate

active

11001952

ABSTRACT:
A piezoelectric/electrostrictive ceramic composition containing, as a major component, a Pb(Mg1/3Nb2/3)O3—PbTiO3—PbZrO3ternary solid solution system composition and further containing Ni in an amount of 0.05 to 3.0% by mass in terms of NiO and Si in an amount of 0.003 to 0.01% by mass in terms of SiO2. The piezoelectric/electrostrictive ceramic composition can constitute a piezoelectric/electrostrictive body or a piezoelectric/electrostrictive portion both having an excellent piezoelectric/electrostrictive property and durability even under high-temperature and highly humid conditions.

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U.S. Appl. No. 10/797,991, filed Mar. 11, 2004, Kashiwaya, Toshikatsu.

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