Inventor · Ipswich, MA, US

Marvin Farley

41Patents
15h-index
44Co-inventors
81Inventor score

Filing activity: Jun 27, 1984 → May 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8227768B2 Low-inertia multi-axis multi-directional mechanically scanned ion implantation system Electricity 75 Active
US4804837A Ion implantation surface charge control method and apparatus Electricity 71 Expired
US6271529A Ion implantation with charge neutralization Electricity 71 Expired
US4539217A Dose control method Electricity 62 Expired
US6437351B1 Method and apparatus for controlling a workpiece in a vacuum chamber Electricity 61 Expired
US5898179A Method and apparatus for controlling a workpiece in a vacuum chamber Electricity 56 Expired
US4587433A Dose control apparatus Electricity 48 Expired
US6248642A SIMOX using controlled water vapor for oxygen implants Electricity 47 Expired
US6515288B1 Vacuum bearing structure and a method of supporting a movable member Electricity 36 Expired
US6163033A Method and apparatus for controlling a workpiece in a vacuum chamber Electricity 33 Expired
US4804852A Treating work pieces with electro-magnetically scanned ion beams Electricity 32 Expired
US4675530A Charge density detector for beam implantation Electricity 27 Expired
US6297510A Ion implant dose control Electricity 23 Expired
US6501078B1 Ion extraction assembly Electricity 21 Expired
US6555832B1 Determining beam alignment in ion implantation using Rutherford Back Scattering Electricity 16 Expired
US6870170B1 Ion implant dose control Electricity 14 Expired
US6908836B2 Method of implanting a substrate and an ion implanter for performing the method Electricity 12 Expired
US6331713A Movable ion source assembly Electricity 12 Expired
US6956223B2 Multi-directional scanning of movable member and ion beam monitoring arrangement therefor Electricity 9 Expired
US7479644B2 Ion beam diagnostics Electricity 7 Active
US6878946B2 Indirectly heated button cathode for an ion source Electricity 7 Expired
US7049210B2 Method of implanting a substrate and an ion implanter for performing the method Electricity 6 Expired
US6274875A Fluid bearing vacuum seal assembly Emerging Cross-Sectional Technologies 5 Expired
US6268609A Apparatus and method for reducing heating of a workpiece in ion implantation Electricity 4 Expired
US7282427B1 Method of implanting a substrate and an ion implanter for performing the method Electricity 4 Expired

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