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

Claim 0:
1. A plasma processing apparatus, comprising:
a processing container;
a stage;
an upper electrode;
a dielectric plate; and
a waveguide,
wherein the stage is provided in the processing container,
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,
the waveguide has an end and guides high frequency waves in a VHF band or a UHF band,
the end is arranged to face the space to radiate the high frequency waves to the space,
the dielectric plate includes a conductive film,
the conductive film is provided on an upper surface of the dielectric plate,
the upper surface faces the upper electrode, and
the conductive film is electrically connected to the upper electrode.