Inventor · Fremont, CA, US

Yen-Kun Wang

25Patents
10h-index
57Co-inventors
78Inventor score

Filing activity: Mar 17, 1997 → Mar 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6148761A Dual channel gas distribution plate Electricity 681 Expired
US5866795A Liquid flow rate estimation and verification by direct liquid measurement Physics 485 Expired
US6176198A Apparatus and method for depositing low K dielectric materials Electricity 265 Expired
US8313612B2 Method and apparatus for reduction of voltage potential spike during dechucking Emerging Cross-Sectional Technologies 46 Active
US7335609B2 Gap-fill depositions introducing hydroxyl-containing precursors in the formation of silicon containing dielectric materials Electricity 42 Expired
US7456116B2 Gap-fill depositions in the formation of silicon containing dielectric materials Chemistry; Metallurgy 37 Expired
US7854820B2 Upper electrode backing member with particle reducing features Electricity 26 Active
US5968588A In-situ liquid flow rate estimation and verification by sonic flow method Chemistry; Metallurgy 24 Expired
US7722719B2 Gas baffle and distributor for semiconductor processing chamber Electricity 14 Expired
US7011710B2 Concentration profile on demand gas delivery system (individual divert delivery system) Chemistry; Metallurgy 14 Expired
US8492736B2 Ozone plenum as UV shutter or tunable UV filter for cleaning semiconductor substrates Emerging Cross-Sectional Technologies 10 Active
US7204888B2 Lift pin assembly for substrate processing Electricity 10 Expired
US6506994B2 Low profile thick film heaters in multi-slot bake chamber Electricity 9 Expired
US8895452B2 Substrate support providing gap height and planarization adjustment in plasma processing chamber Electricity 7 Active
US7192486B2 Clog-resistant gas delivery system Chemistry; Metallurgy 6 Expired
US8628675B2 Method for reduction of voltage potential spike during dechucking Emerging Cross-Sectional Technologies 5 Active
US8702866B2 Showerhead electrode assembly with gas flow modification for extended electrode life Electricity 4 Active
US8624210B2 Ozone plenum as UV shutter or tunable UV filter for cleaning semiconductor substrates Emerging Cross-Sectional Technologies 3 Active
US7841582B2 Variable seal pressure slit valve doors for semiconductor manufacturing equipment Fixed Constructions 2 Active
USRE47275E1 Substrate support providing gap height and planarization adjustment in plasma processing chamber General 1 Active
US7754282B2 Adjusting a spacing between a gas distribution member and a substrate support Electricity 1 Active
US8709202B2 Upper electrode backing member with particle reducing features Electricity 1 Active
US7205205B2 Ramp temperature techniques for improved mean wafer before clean Electricity 0 Expired
US9093483B2 Showerhead electrode assembly with gas flow modification for extended electrode life Electricity 0 Active
US12031885B2 Leak detection for gas sticks Electricity 0 Active

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