Patent ID: 11873560
Assignee: TOKYO ELECTRON LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  G  H | IPC C  G  H

Claim 1:
2. The substrate processing apparatus with the abnormality detection system of claim 1, wherein the second controller accumulates, in the memory, at least one of: the number of command signals to the high-frequency power supply; the number of acknowledgment signals for the command signals; a signal of power of a high-frequency traveling wave output from the high-frequency power supply; a signal of power of a high-frequency reflected wave; a signal of voltage of the high-frequency traveling wave; the signal of the matching position of the matcher; a signal indicating an integrated value of the power of the high-frequency traveling wave; a signal indicating a rise delay time of the command signals to the high power supply and the acknowledgment signals for the command signals; and a signal indicating a fall delay time of the command signals to the high-frequency power supply and the acknowledgment signals for the command signals.