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:
Feb. 17, 2009
Filed:
Jan. 21, 2004
Yoshihiro Saeki, Tokyo, JP;
Shinji Hiratsuka, Tokyo, JP;
Daigo Chabata, Tokyo, JP;
Oki Semiconductor Co., Ltd., , JP;
Abstract
A semiconductor device according to the present invention comprises, on a first semiconductor chip, a first circuit element region in which a first electrode group is arranged along an outer periphery of the first semiconductor chip in such a manner as to surround a second semiconductor chip, a second electrode group is arranged along the outer periphery of the first semiconductor chip in such a manner as to surround the first electrode group, and the first semiconductor chip is surrounded by the first electrode group, and a second circuit element region which surrounds the first electrode group and is surrounded by the second electrode group.