Inventor · Mabank, TX, US

Lee Chen

92Patents
15h-index
41Co-inventors
80Inventor score

Filing activity: Mar 30, 2000 → May 18, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7138767B2 Surface wave plasma processing system and method of using Electricity 337 Expired
US8415884B2 Stable surface wave plasma source Electricity 239 Active
US6852584B1 Method of trimming a gate electrode structure Electricity 123 Expired
US8747610B2 Plasma source pumping and gas injection baffle Electricity 74 Active
US8083961B2 Method and system for controlling the uniformity of a ballistic electron beam by RF modulation Electricity 48 Active
US7396431B2 Plasma processing system for treating a substrate Electricity 43 Expired
US7777179B2 Two-grid ion energy analyzer and methods of manufacturing and operating Electricity 41 Active
US8460567B2 Method and system for etching a MEM device Electricity 38 Active
US9799494B2 Energetic negative ion impact ionization plasma Electricity 37 Active
US9209032B2 Electric pressure systems for control of plasma properties and uniformity Electricity 36 Active
US6809310B2 Accelerated ion beam generator Electricity 32 Expired
US8968588B2 Low electron temperature microwave surface-wave plasma (SWP) processing method and apparatus Electricity 22 Active
US7732759B2 Multi-plasma neutral beam source and method of operating Electricity 19 Active
US7993937B2 DC and RF hybrid processing system Electricity 17 Active
US7875859B2 Ion energy analyzer and methods of manufacturing and operating Electricity 16 Active
US7713758B2 Method and apparatus for optimizing a gate channel Electricity 15 Active
US6512333B2 RF-powered plasma accelerator/homogenizer Electricity 14 Expired
US8038834B2 Method and system for controlling radical distribution Electricity 10 Active
US7938081B2 Radial line slot antenna having a conductive layer Electricity 10 Active
US7718030B2 Method and system for controlling radical distribution Electricity 10 Active
US9396900B2 Radio frequency (RF) power coupling system utilizing multiple RF power coupling elements for control of plasma properties Electricity 10 Active
US7899637B2 Method and apparatus for creating a gate optimization evaluation library Electricity 9 Active
US7781340B2 Method and system for etching high-k dielectric materials Electricity 9 Active
US8877080B2 Using vacuum ultra-violet (VUV) data in microwave sources Electricity 9 Active
US7998307B2 Electron beam enhanced surface wave plasma source Electricity 8 Active

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