Inventor · Campbell, CA, US

Robert John Socha

38Patents
10h-index
32Co-inventors
75Inventor score

Filing activity: Aug 13, 1981 → Jul 16, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6871337B2 Illumination optimization for specific mask patterns Physics 53 Expired
US7506299B2 Feature optimization using interference mapping lithography Physics 24 Active
US8356261B1 Determining the gradient and hessian of the image log slope for design rule optimization for accelerating source mask optimization (SMO) Physics 22 Active
US7398508B2 Eigen decomposition based OPC model Physics 19 Expired
US8751979B1 Determining the gradient and Hessian of the image log slope for design rule optimization for accelerating source mask optimization (SMO) Physics 15 Active
US7292315B2 Optimized polarization illumination Physics 15 Expired
US6887625B2 Assist features for use in lithographic projection Physics 14 Expired
US7864301B2 Source and mask optimization by changing intensity and shape of the illumination source Physics 14 Active
US7594199B2 Method of optical proximity correction design for contact hole mask Physics 13 Expired
US8572521B2 Method for performing pattern decomposition for a full chip design Physics 12 Active
US4342271A Stitch length range indicating arrangement in a multiple pattern sewing machine Physics 9 Expired
US7493589B2 Method, program product and apparatus for model based geometry decomposition for use in a multiple exposure process Physics 8 Active
US7548302B2 Lithographic apparatus and device manufacturing method Physics 6 Active
US10670973B2 Coloring aware optimization Physics 6 Active
US7865865B2 Method, program product and apparatus for performing decomposition of a pattern for use in a DPT process Physics 5 Active
US8730452B2 Source and mask optimization by changing intensity and shape of the illumination source and magnitude and phase of mask diffraction orders Physics 5 Active
US7639864B2 Method, program product and apparatus for optimizing illumination for full-chip layer Physics 4 Active
US8640058B2 Method, program product and apparatus for model based geometry decomposition for use in a multiple exposure process Physics 3 Active
US10054862B2 Inspection apparatus, inspection method, lithographic apparatus, patterning device and manufacturing method Physics 3 Active
US8060842B2 Method, program product and apparatus for model based geometry decomposition for use in a multiple exposure process Physics 3 Active
US10437158B2 Metrology by reconstruction Physics 2 Active
US8340394B2 Method, program product and apparatus for performing a model based coloring process for geometry decomposition for use in a multiple exposure process Physics 2 Active
US10417359B2 Optical metrology of lithographic processes using asymmetric sub-resolution features to enhance measurement Physics 2 Active
US7710544B2 Optimized polarization illumination Physics 1 Active
US10132763B2 Inspection method and apparatus, lithographic system and device manufacturing method Electricity 1 Active

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