Inventor · Hopewell Junction, NY, US

Victor Katsap

27Patents
5h-index
15Co-inventors
66Inventor score

Filing activity: May 6, 1999 → Aug 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6333508A Illumination system for electron beam lithography tool Electricity 52 Expired
US7176610B2 High brightness thermionic cathode Electricity 11 Expired
US6232040A Method of electron beam exposure utilizing emitter with conductive mesh grid Emerging Cross-Sectional Technologies 8 Expired
US6400090B2 Electron emitters for lithography tools Emerging Cross-Sectional Technologies 8 Expired
US6528799B1 Device and method for suppressing space charge induced aberrations in charged-particle projection lithography systems Emerging Cross-Sectional Technologies 7 Expired
US9165737B2 High-brightness, long life thermionic cathode and methods of its fabrication Electricity 5 Active
US6440620B1 Electron beam lithography focusing through spherical aberration introduction Emerging Cross-Sectional Technologies 4 Expired
US9790620B1 Method of reducing work function in carbon coated LaB6 cathodes Electricity 4 Active
US7345290B2 Lens array for electron beam lithography tool Electricity 4 Expired
US10573481B1 Electron guns for electron beam tools Electricity 3 Active
US6448569B1 Bonded article having improved crystalline structure and work function uniformity and method for making the same Electricity 2 Expired
US6420714B1 Electron beam imaging apparatus Electricity 2 Expired
US6492647B1 Electron guns for lithography tools Electricity 2 Expired
US10593505B1 Low temperature, high-brightness, cathode Electricity 1 Active
US11640896B2 Method and apparatus for Schottky TFE inspection Electricity 0 Active
US11615938B2 High-resolution multiple beam source Electricity 0 Active
US6620565B2 Electron beam lithography apparatus focused through spherical aberration introduction Emerging Cross-Sectional Technologies 0 Expired
US11823862B2 Method and apparatus for usable beam current and brightness in Schottky thermal field emission (TFE) Electricity 0 Active
US11901154B1 Conical heat shield for electron emitting cathode Electricity 0 Active
US11699564B2 Schottky thermal field emitter with integrated beam splitter Electricity 0 Active
US6815876B1 Cathode with improved work function and method for making the same Electricity 0 Expired
US10553388B1 High-brightness lanthanum hexaboride cathode and method for manufacturing of cathode Electricity 0 Active
US12165834B2 Method and apparatus for Schottky TFE inspection Electricity 0 Active
US11562879B2 Low-blur electrostatic transfer lens for multi-beam electron gun Electricity 0 Active
US12131883B2 Method and apparatus for usable beam current and brightness in Schottky thermal field emission (TFE) Electricity 0 Active

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