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:
Feb. 10, 2015
Filed:
Nov. 30, 2012
Sumitomo Electric Device Innovations, Inc., Yokohama-shi, Kanagawa, JP;
Shunsuke Kurachi, Yokohama, JP;
Sumitomo Electric Device Innovations, Inc., Yokohama-shi, JP;
Abstract
A capacitive element includes: an upper electrode; a lower electrode; and a dielectric layer that is disposed between the upper electrode and the lower electrode, and includes a first film, a second film and a third film which are made of any one of silicon nitride and aluminum oxide and laminated from a side of the lower electrode in order, a composition ratio of any one of silicon and aluminum in each of the first film and the third film being larger than a corresponding composition ratio in the second film.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile