Inventor · West Linn, OR, US

Arpan Mahorowala

42Patents
12h-index
84Co-inventors
84Inventor score

Filing activity: Jan 10, 2000 → Sep 21, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US9824893B1 Tin oxide thin film spacers in semiconductor device manufacturing Electricity 413 Active
US6316167A Tunabale vapor deposited materials as antireflective coatings, hardmasks and as combined antireflective coating/hardmasks and methods of fabrication thereof and application thereof Electricity 87 Expired
US6730454B2 Antireflective SiO-containing compositions for hardmask layer Emerging Cross-Sectional Technologies 74 Expired
US6514667B2 Tunable vapor deposited materials as antireflective coatings, hardmasks and as combined antireflective coating/hardmasks and methods of fabrication thereof and applications thereof Electricity 62 Expired
US6649531B2 Process for forming a damascene structure Electricity 60 Expired
US6420084B1 Mask-making using resist having SIO bond-containing polymer Physics 38 Expired
US10074543B2 High dry etch rate materials for semiconductor patterning applications Electricity 22 Active
US11031245B2 Tin oxide thin film spacers in semiconductor device manufacturing Electricity 16 Active
US6869899B2 Lateral-only photoresist trimming for sub-80 nm gate stack Emerging Cross-Sectional Technologies 15 Expired
US6869542B2 Hard mask integrated etch process for patterning of silicon oxide and other dielectric materials Electricity 15 Expired
US11183383B2 Tin oxide thin film spacers in semiconductor device manufacturing Electricity 13 Active
US6780736B1 Method for image reversal of implant resist using a single photolithography exposure and structures formed thereby Electricity 12 Expired
US7030008B2 Techniques for patterning features in semiconductor devices Emerging Cross-Sectional Technologies 9 Expired
US6903023B2 In-situ plasma etch for TERA hard mask materials Electricity 8 Expired
US7326442B2 Antireflective composition and process of making a lithographic structure Emerging Cross-Sectional Technologies 7 Expired
US6849389B2 Method to prevent pattern collapse in features etched in sulfur dioxide-containing plasmas Physics 7 Expired
US11784047B2 Tin oxide thin film spacers in semiconductor device manufacturing Electricity 7 Active
US7223517B2 Lithographic antireflective hardmask compositions and uses thereof Physics 7 Expired
US7172969B2 Method and system for etching a film stack Electricity 7 Expired
US7175966B2 Water and aqueous base soluble antireflective coating/hardmask materials Physics 5 Expired
US7648820B2 Antireflective hardmask and uses thereof Emerging Cross-Sectional Technologies 4 Active
US7497959B2 Methods and structures for protecting one area while processing another area on a chip Physics 4 Expired
US7077903B2 Etch selectivity enhancement for tunable etch resistant anti-reflective layer Emerging Cross-Sectional Technologies 4 Expired
US6682860B2 Attenuated embedded phase shift photomask blanks Chemistry; Metallurgy 4 Expired
US7172849B2 Antireflective hardmask and uses thereof Emerging Cross-Sectional Technologies 4 Expired

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