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:
Apr. 22, 2014

Filed:

Jul. 20, 2012
Applicants:

Tomohiro Kitano, Tokyo, JP;

Hisayuki Nagamine, Tokyo, JP;

Inventors:

Tomohiro Kitano, Tokyo, JP;

Hisayuki Nagamine, Tokyo, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01); H01L 23/52 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device comprises a first external terminal having a first size, a plurality of second external terminals each having a second size smaller than the first size, an external terminal area in which the first external terminal and the second external terminals are arranged, and a plurality of wires connecting between the second external terminals and a plurality of circuits formed adjacent to the external terminal area and corresponding to the second external terminals. The second external terminals and the wires constitute a plurality of interfaces. Each of the interfaces includes at least one adjustment portion that adjusts a time constant of the wire so that the wires have the same time constant. At least part of the adjustment portions is located in a margin area produced in the external terminal area by a difference between the first size and the second size.


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