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:
Mar. 11, 2003
Filed:
Nov. 27, 2001
Applicant:
Inventor:
Shigeru Shiratake, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/900 ;
U.S. Cl.
CPC ...
H01L 2/900 ;
Abstract
A semiconductor device with a fuse box includes at least two gate electrodes and a fuse member The two gate electrodes are formed on at least one insulating film on a semiconductor substrate The fuse member is formed on the insulating film on the semiconductor substrate The two gate electrodes are electrically connected each other by the fuse member In addition, the insulating film and a field region constituted by a semiconductor region are arranged adjacent to each other in a frame-like guard ring The guard ring is constituted by a semiconductor region formed on the semiconductor substrate