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.:
Date of Patent:
May. 14, 2002
Filed:
Feb. 23, 2000
Applicant:
Inventor:
Yasuyoshi Saito, Aichi-ken, JP;
Assignee:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi-gun, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/118 ;
U.S. Cl.
CPC ...
H01L 4/118 ;
Abstract
An alkali metal-containing niobate-based piezoelectric material composition comprises a solid solution represented by a composition formula (ANbO ) (A: alkali metal), and at least one additive selected from Cu, Li and Ta.