Patent ID: 11923170
Assignee: TOKYO ELECTRON LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC C  H

Claim 19:
20. A plasma processing method for performing plasma processing on a processing target object using a plasma processing apparatus, wherein an upper electrode, a dielectric plate, a stage and a waveguide are provided in a processing container of the plasma processing apparatus, the dielectric plate is provided above the stage with a space in the processing container interposed therebetween, the upper electrode is provided above the dielectric plate, and an end of the waveguide is arranged to face the space to radiate high frequency waves in a VHF band or a UHF band into the space, the method comprising:
performing plasma processing in a state in which a conductive film is provided on an upper surface of the dielectric plate facing the upper electrode and is electrically connected to the upper electrode.