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.

Date of Patent:
May. 18, 2021

Filed:

Jun. 10, 2019
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Michihiro Kumagae, Tokyo, JP;

Kazuhiro Yoshikawa, Tokyo, JP;

Shigeaki Tanaka, Tokyo, JP;

Hitoshi Saita, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/33 (2006.01); H01L 23/498 (2006.01); H01L 49/02 (2006.01); H05K 1/11 (2006.01); H05K 1/16 (2006.01); H05K 3/46 (2006.01); H05K 1/09 (2006.01);
U.S. Cl.
CPC ...
H01G 4/33 (2013.01); H01L 23/49822 (2013.01); H01L 23/49827 (2013.01); H01L 28/55 (2013.01); H05K 1/09 (2013.01); H05K 1/115 (2013.01); H05K 1/162 (2013.01); H05K 3/467 (2013.01);
Abstract

Disclosed herein is a thin film capacitor that includes a capacitive insulating film having first and second through holes, a first metal film provided on one surface of the capacitive insulating film, and a second metal film provided on the other surface of the capacitive insulating film. The first and second metal films are made of different metal materials from each other. The first metal film is divided into a first area positioned outside the first space and a second area positioned inside the first space. The second metal film is divided into a third area positioned outside the second space and a fourth area positioned inside the second space. The third area is connected to the second area through the first through hole. The fourth area is connected to the first area through the second through hole.


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