Inventor · Portland, OR, US

Heidi Cao

11Patents
3h-index
7Co-inventors
42Inventor score

Filing activity: Sep 16, 2003 → Jan 5, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7005227B2 One component EUV photoresist Chemistry; Metallurgy 455 Expired
US7374867B2 Enhancing photoresist performance using electric fields Physics 19 Expired
US7459260B2 Method of reducing sensitivity of EUV photoresists to out-of-band radiation and EUV photoresists formed according to the method Physics 9 Expired
US6872505B1 Enabling chain scission of branched photoresist Emerging Cross-Sectional Technologies 3 Expired
US7166413B2 Enabling chain scission of branched photoresist Emerging Cross-Sectional Technologies 1 Expired
US7723008B2 Photoactive adhesion promoter in a slam Physics 1 Active
US7147986B2 Resist compounds including acid labile groups attached to polymeric chains at anhydride linkages Physics 0 Expired
US7226718B2 Non-outgassing low activation energy resist Emerging Cross-Sectional Technologies 0 Expired
US7427463B2 Photoresists with reduced outgassing for extreme ultraviolet lithography Physics 0 Expired
US7442487B2 Low outgassing and non-crosslinking series of polymers for EUV negative tone photoresists Physics 0 Expired
US7718528B2 Photoactive adhesion promoter in a SLAM Physics 0 Active

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