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:
Jan. 03, 2012

Filed:

Sep. 25, 2008
Applicants:

Tatsuaki Tsukuda, Kanagawa, JP;

Masayoshi Hirata, Kanagawa, JP;

Inventors:

Tatsuaki Tsukuda, Kanagawa, JP;

Masayoshi Hirata, Kanagawa, JP;

Assignee:

Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device includes an interposer, and a semiconductor chip mounted on the interposer. In a plan view, the interposer includes a first region overlapping the semiconductor chip, and a second region excluding the first region. The interposer includes at least one wiring formed astride the first region and the second region. The cross-sectional area of the wiring in the first region and the cross-sectional area of the wiring in the second region are different from each other.


Find Patent Forward Citations

Loading…