Barnes; Levi D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Barnes; Levi D..The latest application filed is for "evaluating the quality of an assist feature placement based on a focus-sensitive cost-covariance field".

Company Profile

0.6.6

Barnes; Levi D. - Hillsboro OR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Evaluating the quality of an assist feature placement based on a focus-sensitive cost-covariance field Grant 8,296,688 - Barnes , et al. October 23, 2	2012-10-23
Model-based assist feature placement using inverse imaging approach Grant 8,010,913 - Poonawala , et al. August 30, 2	2011-08-30
Evaluating The Quality Of An Assist Feature Placement Based On A Focus-sensitive Cost-covariance Field App 20110202891 - Barnes; Levi D. ; et al.	2011-08-18
Method and apparatus for correcting assist-feature-printing errors in a layout Grant 7,979,812 - Jung , et al. July 12, 2	2011-07-12
Assist feature placement based on a focus-sensitive cost-covariance field Grant 7,954,071 - Barnes , et al. May 31, 2	2011-05-31
Model-based assist feature placement using inverse imaging approach App 20100262946 - Poonawala; Amyn A. ; et al.	2010-10-14
Method And Apparatus For Correcting Assist-feature-printing Errors In A Layout App 20100199255 - Jung; Sunggon ; et al.	2010-08-05
Method and apparatus for quickly determining the effect of placing an assist feature at a location in a layout Grant 7,721,246 - Li , et al. May 18, 2	2010-05-18
Assist Feature Placement Based On A Focus-sensitive Cost-covariance Field App 20100115486 - Barnes; Levi D. ; et al.	2010-05-06
Assist feature placement using a process-sensitivity model Grant 7,421,678 - Barnes , et al. September 2, 2	2008-09-02
Method and apparatus for quickly determining the effect of placing an assist feature at a location in a layout App 20070038973 - Li; Jianliang ; et al.	2007-02-15
Assist feature placement using a process-sensitivity model App 20060206854 - Barnes; Levi D. ; et al.	2006-09-14

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