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. 20, 1993
Filed:
Aug. 30, 1991
Applicant:
Inventors:
Debaprosad Dutt, Whitehall, PA (US);
Chi-Yuan Lo, Basking Ridge, NJ (US);
Assignee:
AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430-5 ; 430311 ; 430319 ; 430320 ;
Abstract
A method is described which reduces the size of the constraint graph used in assembling cells into a tiled module for integrated circuit manufacture. The smaller size significantly reduces the amount of time required to assemble the cells appropriately.