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. 08, 2000
Filed:
Jun. 11, 1998
Applicant:
Inventors:
Cheng-Yeh Shih, Hsin-Chu, TW;
Jenn Ming Huang, Hsin-Chu, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438132 ; 438601 ;
Abstract
A method of fabricating a metal guard ring (e.g., 139 149 159) around for a metal fuse 141 and fuse opening 88. The metal fuse 41 is formed from a second metal layer (M2) (or M3 or M4, etc.) and is connected to an underlying polysilicon layer 22 by fuse interconnections 129A 129B. The method comprises: