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. 09, 2006
Filed:
Dec. 20, 2004
Hiroyuki Kita, Osaka, JP;
Hirokazu Uchiyama, Higashiosaka, JP;
Hiroyuki Kita, Osaka, JP;
Hirokazu Uchiyama, Higashiosaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
To provide a piezoelectric thin-film element small in leak current between electrode metal films and its manufacturing method are presented, the piezoelectric thin-film element includes at least one unit laminated body composed of a piezoelectric thin-film having a mutually facing first surface and second surface, a first electrode metal film on the first surface, and a second electrode metal film on the second surface, in which an electrode separation surface composed of a piezoelectric thin-film surface parallel to the first surface is provided between the first electrode metal film and second electrode metal film.