Piezoelectric/electrostrictive porcelain composition,...

Details Piezoelectric/electrostrictive porcelain composition,... Piezoelectric/electrostrictive porcelain composition,...

2007-12-18

2007-12-18

Martin, J. San (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C501S134000, C252S06290R, C252S06290R, C257S347000

Reexamination Certificate

active

11064070

ABSTRACT:
A piezoelectric/electrostrictive porcelain composition capable of being manufactured at a comparatively low firing temperature is provided, as well as a piezoelectric/electrostrictive ceramic or a piezoelectric/electrostrictive portion which is dense and superior in crystallinity and which has superior piezoelectric/electrostrictive characteristics and durability even under high temperature and high humidity conditions. The piezoelectric/electrostrictive porcelain composition includes a piezoelectric/electrostrictive component containing lead titanate zirconate, and 0.5 to 5% by mass of glass component containing 8% by mass or less of silicic acid.

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