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.:

US 7944051 B1

PDF
Full Text
Expired
Date of Patent:
May. 17, 2011

Filed:

Jul. 22, 2008
Applicant:

Fumiyoshi Kawashiro, Kanagawa, JP;

Inventor:

Fumiyoshi Kawashiro, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/488 (2006.01); H01L 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

In one embodiment, a semiconductor device has a semiconductor element made up of a semiconductor chip, first solder balls provided on the semiconductor chip and a BGA substrate on which the semiconductor chip is mounted via the first solder balls. Furthermore, the semiconductor device has external terminals on a surface of the BGA substrate opposing to a surface on which the semiconductor chip is mounted. The external terminals include oxide films provided with through holes.


Find Patent Forward Citations

Kawashiro, Fumiyoshi. (2011). Semiconductor device having external connection terminals and method of manufacturing the same (U.S. Patent No. 7944051). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7944051

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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