Piezoelectric/electrostrictive material and process for...

Details Piezoelectric/electrostrictive material and process for... Piezoelectric/electrostrictive material and process for...

2005-05-03

2005-05-03

Koslow, C. Melissa (Department: 1755)

Compositions

Piezoelectric

C501S138000

Reexamination Certificate

active

06887397

ABSTRACT:
A piezoelectric/electrostrictive material is made of a BaTiO3-based porcelain composed mainly of BaTiO3, and a strain (S4000) of transversal direction is 650×10−6or more in an electric field of 4,000 V/mm. This porcelain has a Curie temperature of 110 to 130° C., and its crystal phase at ambient temperature consists essentially of tetragonal and cubic phases. The piezoelectric/electrostrictive material being composed of this porcelain is superior in strain to conventional products, and can be suitably used in an actuator or a sensor.

REFERENCES:
patent: 20030114295 (2003-06-01), Yamaguchi et al.
patent: 03-112858 (1991-05-01), None
patent: 05-213666 (1993-08-01), None
patent: 05-213669 (1993-08-01), None
patent: 08-198675 (1996-08-01), None
patent: 10-203867 (1998-08-01), None
patent: 2001-089230 (2001-04-01), None

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