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:
Aug. 19, 2014
Filed:
Dec. 21, 2010
Applicant:
Yoshihiko Ikemoto, Yokohama, JP;
Inventor:
Yoshihiko Ikemoto, Yokohama, JP;
Assignee:
Fujitsu Semiconductor Limited, Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/10 (2006.01); H05K 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device for mounting on a wiring board includes: a container for containing a semiconductor chip; and a plurality of leads, each of the plurality of leads includes a mount connection portion at one end for the semiconductor device to be connected to the wiring board, wherein the plurality of leads includes first leads and second leads, a signal transmission rate of the first leads is higher than that of the second leads, and the mount connection portion of each of the first leads is smaller than that of each of the second leads.