United States
4
2009-06-04
Theodoros Panagopoulos from , US has applied for patents for these inventions. The list has both pending applications and granted patents:
Multiple frequency pulsing of multiple coil source to control plasma ion density radial distribution
#2 | 2008-08-14Method of processing a workpiece using a mid-chamber gas distribution plate, tuned plasma flow control grid and electrode
#3 | 2008-07-31Mid-chamber gas distribution plate, tuned plasma flow control grid and electrode
#4 | 2008-06-26Plasma etch process for controlling line edge roughness
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