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:
Nov. 30, 1993
Filed:
Oct. 23, 1991
Applicant:
Inventor:
Kazumasa Ohya, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310328 ; 310366 ;
Abstract
In order to make uniform and smooth elongation of a piezoelectric actuator at the end faces thereof, at least one piezoelectric active layer with at least one non-conductive area formed at the central portion thereof is arranged between an inactive layer and an extreme piezoelectric active layer of the element.
Ohya, Kazumasa. (1993). Piezoelectric actuator (U.S. Patent No. 5266862). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5266862
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile