Patent ID: 11862489
Assignee: TOKYO ELECTRON LIMITED
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The substrate processing apparatus of claim 1, wherein the first power receiving coil is a donut-shaped coil arranged in a first ring-shaped region centered on the rotation axis and having a first distance from the rotation axis,
the second power receiving coil is a donut-shaped coil arranged in a second ring-shaped region centered on the rotation axis and having a second distance from the rotation axis, the second distance being greater than the first distance,
the first power feeding coil is a donut-shaped coil arranged at a position facing the first power receiving coil, regardless of a rotation phase of the rotary stage, and
the second power feeding coil is a donut-shaped coil arranged at a position facing the second power receiving coil, regardless of the rotation phase of the rotary stage.