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:
Aug. 18, 2015
Filed:
Jun. 21, 2013
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/008 (2006.01); H01G 4/01 (2006.01); H01G 4/33 (2006.01); H01L 49/02 (2006.01);
U.S. Cl.
CPC ...
H01G 4/008 (2013.01); H01G 4/01 (2013.01); H01G 4/33 (2013.01); H01L 28/60 (2013.01);
Abstract
A thin film capacitor includes a lower electrode layer, a dielectric layer that is provided on said lower electrode layer, and an upper electrode layer that is formed on the dielectric layer. Wherein, the lower electrode layer contains at least a Ni electrode layer, the upper electrode layer configured with at least two layers of a Ni electrode layer and a Cu electrode layer, and the dielectric layer is in contact with both the Ni electrode layer of the lower electrode layer and the Ni electrode layer of the upper electrode layer.