Pearne & Gordon LLP
Plasma processing apparatus and processing gas supply structure thereof
There is provided a plasma processing apparatus for performing a plasma process on a substrate mounted on a mounting table in a processing chamber by generating inductively coupled plasma within the processing chamber by applying a high frequency power to a high frequency antenna. The apparatus includes a multiple number of gas nozzles protruding from a sidewall of the processing chamber toward a center of the processing chamber in a space above the mounting table, and each gas nozzle has a gas discharge hole at a leading end of the gas nozzle in a protruding direction and a gas discharge hole at a sidewall of the gas nozzle. Further, the apparatus includes a rotation device configured to rotate each of the gas nozzles on each central axis of the gas nozzles and each central axis is extended in the protruding direction of each of the gas nozzles.
TOKYO ELECTRON LIMITED
H H C H H
H01J H01L C23C H01J H01J
inventional inventional inventional inventional inventional
Masashi
Saito