Inventor · Fremont, CA, US

Valentin Todorov

16Patents
11h-index
48Co-inventors
68Inventor score

Filing activity: May 28, 1996 → Mar 14, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6447636B1 Plasma reactor with dynamic RF inductive and capacitive coupling control Electricity 127 Expired
US7718538B2 Pulsed-plasma system with pulsed sample bias for etching semiconductor substrates Electricity 84 Active
US6507155B1 Inductively coupled plasma source with controllable power deposition Electricity 80 Expired
US6962644B2 Tandem etch chamber plasma processing system Electricity 63 Expired
US6617794B2 Method for controlling etch uniformity Electricity 55 Expired
US6706138B2 Adjustable dual frequency voltage dividing plasma reactor Electricity 24 Expired
US6399507B1 Stable plasma process for etching of films Electricity 20 Expired
US7777152B2 High AC current high RF power AC-RF decoupling filter for plasma reactor heated electrostatic chuck Electricity 20 Active
US5801386A Apparatus for measuring plasma characteristics within a semiconductor wafer processing system and a method of fabricating and using same Electricity 16 Expired
US6356097B1 Capacitive probe for in situ measurement of wafer DC bias voltage Electricity 15 Expired
US7674394B2 Plasma process for inductively coupling power through a gas distribution plate while adjusting plasma distribution Electricity 11 Active
US6660127B2 Apparatus for plasma etching at a constant etch rate Electricity 11 Expired
US6447637B1 Process chamber having a voltage distribution electrode Electricity 9 Expired
US5942889A Capacitive probe for in situ measurement of wafer DC bias voltage Electricity 8 Expired
US7552736B2 Process for wafer backside polymer removal with a ring of plasma under the wafer Electricity 6 Active
US7678710B2 Method and apparatus for fabricating a high dielectric constant transistor gate using a low energy plasma system Electricity 3 Active

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