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:
Nov. 04, 2008
Filed:
Oct. 10, 2006
Applicant:
Kiyonori Watanabe, Tokyo, JP;
Inventor:
Kiyonori Watanabe, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01); H01L 23/52 (2006.01); H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a semiconductor substrate, an electrode pad electrically connected to a circuit element formed on the semiconductor substrate, a connection wiring electrically connected to the electrode pad and extending on the semiconductor substrate, and a post electrode formed on the connection wiring. The semiconductor device further includes an adhesion film formed on the side surface of the post electrode, and a sealing layer that has light-shielding property and seals the surface of the adhesion film and the connection wiring.