Inventor · Jeffersonville, VT, US

Edward W. Conrad

34Patents
13h-index
36Co-inventors
77Inventor score

Filing activity: Dec 31, 1992 → Nov 24, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5963329A Method and apparatus for measuring the profile of small repeating lines Physics 302 Expired
US6425112B1 Auto correction of error checked simulated printed images Physics 220 Expired
US6016357A Feedback method to repair phase shift masks Physics 114 Expired
US7627622B2 System and method of curve fitting Physics 86 Active
US6373975B1 Error checking of simulated printed images with process window effects included Physics 54 Expired
US5980647A Metal removal cleaning process and apparatus Performing Operations; Transporting 46 Expired
US6735492B2 Feedback method utilizing lithographic exposure field dimensions to predict process tool overlay settings Physics 42 Expired
US6238850A Method of forming sharp corners in a photoresist layer Physics 38 Expired
US6395438B1 Method of etch bias proximity correction Physics 24 Expired
US6528219B1 Dynamic alignment scheme for a photolithography system Physics 20 Expired
US6214494A Serif mask design methodology based on enhancing high spatial frequency contribution for improved printability Physics 20 Expired
US5325180A Apparatus for identifying and distinguishing temperature and system induced measuring errors Electricity 18 Expired
US6383719B1 Process for enhanced lithographic imaging Physics 16 Expired
US6922600B1 System and method for optimizing manufacturing processes using real time partitioned process capability analysis Emerging Cross-Sectional Technologies 13 Expired
US6704695B1 Interactive optical proximity correction design method Physics 11 Expired
US6539321B2 Method for edge bias correction of topography-induced linewidth variation Physics 11 Expired
US6566759B1 Self-aligned contact areas for sidewall image transfer formed conductors Emerging Cross-Sectional Technologies 9 Expired
US6694498B2 Feed-forward lithographic overlay offset method and system Physics 8 Expired
US6268908A Micro adjustable illumination aperture Physics 8 Expired
US7257247B2 Mask defect analysis system Physics 7 Expired
US6261724A Method of modifying a microchip layout data set to generate a predicted mask printed data set Physics 7 Expired
US6879719B1 Method for measurement of full-two dimensional submicron shapes Physics 7 Expired
US6949458B2 Self-aligned contact areas for sidewall image transfer formed conductors Emerging Cross-Sectional Technologies 6 Expired
US6965808B1 System and method for optimizing metrology sampling in APC applications Physics 5 Expired
US6387596B2 Method of forming resist images by periodic pattern removal Physics 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.