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:
Dec. 09, 2003
Filed:
Dec. 19, 2001
Applicant:
Inventor:
Naoyuki Kawazoe, Hashima, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/1083 ;
U.S. Cl.
CPC ...
H01L 4/1083 ;
Abstract
A stacked piezoelectric device comprising a plurality of piezoelectric layers which are stacked one over another has an abutment which is brought into direct abutment with at least one end face of the piezoelectric device in a stretching direction and a coating member having electrically insulating properties and which covers an abutment portion between the abutment member and the piezoelectric device so that the abutment condition of the abutment member and the piezoelectric device can be maintained.