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. 22, 2016
Filed:
Oct. 28, 2013
Applicant:
Cadence Design Systems, Inc., San Jose, CA (US);
Inventors:
Dipankar Pramanik, Saratoga, CA (US);
Michiel Victor Paul Kruger, Berkeley, CA (US);
Roy V. Prasad, Los Gatos, CA (US);
Abdurrahman Sezginer, Monte Sereno, CA (US);
Assignee:
Cadence Design Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); G03F 1/00 (2012.01); G03F 1/36 (2012.01);
U.S. Cl.
CPC ...
G06F 17/50 (2013.01); G03F 1/144 (2013.01); G03F 1/36 (2013.01);
Abstract
The present invention provides a method for compensating infidelities of a process that transfers a pattern to a layer of an integrated circuit, by minimizing, with respect to a photomask pattern, a cost function that quantifies the deviation between designed and simulated values of circuit parameters of the pattern formed on a semiconductor wafer.