Patent ID: 11869748
Assignee: KOKUSAI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A substrate processing apparatus comprising:
a process vessel in which a process chamber is provided, wherein a process gas is excited into plasma in the process chamber;
a gas supplier configured to supply the process gas into the process chamber;
a coil wound around an outer peripheral surface of the process vessel while being spaced apart from the outer peripheral surface, and wherein a high frequency power is supplied to the coil; and
an electrostatic shield disposed between the outer peripheral surface of the process vessel and the coil,
wherein the electrostatic shield comprises:
a partition extending in a circumferential direction of the coil and configured to partition between a part of the coil and the outer peripheral surface of the process vessel; and
an opening extending in the circumferential direction of the coil and opened between another part of the coil and the outer peripheral surface of the process vessel.