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:
Nov. 13, 2012
Filed:
May. 20, 2010
Shinichi Uchida, Kanagawa, JP;
Takasuke Hashimoto, Kanagawa, JP;
Masayuki Furumiya, Kanagawa, JP;
Kimio Hosoki, Kanagawa, JP;
Hideo Ohba, Kanagawa, JP;
Shinichi Uchida, Kanagawa, JP;
Takasuke Hashimoto, Kanagawa, JP;
Masayuki Furumiya, Kanagawa, JP;
Kimio Hosoki, Kanagawa, JP;
Hideo Ohba, Kanagawa, JP;
RENESAS Electronics Corporation, Kawasaki-shi, Kanagawa, JP;
Abstract
A semiconductor device having a digital region and an analog region embedded therein has an annular seal ring which surrounds the outer circumference of the digital region and the analog region in a plan view; a guard ring which is provided in the area surrounded by the seal ring, between the digital region and the analog region, so as to isolate the analog region from the digital region, and so as to be electrically connected to the seal ring; and an electrode pad which is electrically connected to the guard ring in the vicinity of the guard ring.