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:
Jan. 29, 1991
Filed:
Jan. 16, 1990
Applicant:
Inventors:
Atsushi Hagimura, Kamakura, JP;
Mutsuo Nakajima, Tokyo, JP;
Assignee:
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; C04B / ;
U.S. Cl.
CPC ...
310358 ; 252 629 ;
Abstract
The present invention relates to a longitudinally effective piezoelectric element exhibiting a large displacement at low voltage and to a ceramic composition suitable for producing the longitudinally effective piezoelectric element.