The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8631548 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 21, 2014

Filed:

Sep. 15, 2009
Applicants:

Takaaki Koizumi, Tajimi, JP;

Hideki Shimizu, Ohbu, JP;

Inventors:

Takaaki Koizumi, Tajimi, JP;

Hideki Shimizu, Ohbu, JP;

Assignee:

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01); H04R 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for producing a piezoelectric/electrostrictive body containing a crystallographically oriented ceramic including a particle-preparing step of preparing pseudocubic particles having substantially a cubic shape; a dispersing step of dispersing the pseudocubic particles in a solvent; a particle section-forming step of forming a seed section and a matrix section directly or indirectly on a base, the seed section being formed by arranging the dispersed pseudocubic particles in a predetermined plane direction, the matrix section being formed from matrix particles having a desired composition; and a firing step of firing the seed section and matrix section formed on the base.


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