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:
Jul. 09, 1996
Filed:
Sep. 21, 1992
Applicant:
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Kyungki-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257692 ;
Abstract
A semiconductor device includes a metal wiring layer having a plurality of parallel, actual metal lines, with an endmost one of the actual metal lines being disposed adjacent a wiring-free region. The actual metal lines are electrically connected to an active circuit portion of the semiconductor device. At least one dummy metal line is interposed between the endmost one of the actual metal lines and the wiring-free region, with the at least one dummy metal line being disconnected from the active circuit portion. The dummy metal line(s) serve to prevent corrosion of the actual metal lines when the metal wiring layer is patterned by an etching process.