Patent ID: 11862431
Assignee: NISSIN ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C | IPC H

Claim 1:
2. The plasma control system according to claim 1,
wherein the antenna group comprising:
at least two of a first antenna and a second antenna, connected to the high-frequency power supply and connected in series with each other; and
at least two of a third antenna and a fourth antenna, connected to the high-frequency power supply, connected in series with each other, and connected in parallel to the first antenna and the second antenna,
wherein the reactance variable element is provided on a feeding side of the first antenna, between the first antenna and the second antenna, on a ground side of the second antenna, on a feeding side of the third antenna, between the third antenna and the fourth antenna, and on a ground side of the fourth antenna, and
wherein the current detection mechanism detects a current flowing through the feeding side of the first antenna, between the first antenna and the second antenna, the ground side of the second antenna, the feeding side of the third antenna, between the third antenna and the fourth antenna, and the ground side of the fourth antenna.