Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2009-03-04
2011-10-18
San Martin, Jaydi (Department: 2837)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C073S035110, C252S06290R, C252S06290R
Reexamination Certificate
active
08040024
ABSTRACT:
A piezoceramic material according to an embodiment of the present invention has a composition represented by Pbm{Zr1-x-y-zTixSny(Sb1-nNbn)z}O3where 1.000≦m≦1.075, 0.470≦x<0.490, 0.020≦y≦0.040, 0<n<1.000 and 0<z≦0.025 and a crystallite size of 30 to 39 nm.
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Hamaguchi Yukihiro
Hiramitsu Hideaki
Hirata Tomohiro
Horiguchi Manabu
Mitsuoka Takeshi
Martin Jaydi San
NGK Spark Plug Co. Ltd.
Sughrue & Mion, PLLC
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