Patent ID: 11881419
Assignee: SCREEN HOLDINGS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The substrate processing apparatus according to claim 1, further comprising a different-liquid supply unit that supplies another processing liquid to a main surface of a substrate held by the substrate holding unit, the other processing liquid differing in kind from the chemical liquid supplied by the chemical liquid supply unit,
wherein the controller further executes: a different-liquid supply step of supplying the other processing liquid to the main surface of the substrate by the different-liquid supply unit while rotating the substrate around the rotational axis by the rotation unit; and a step of placing the first guard at a position at which the first guard captures the other processing liquid supplied to the main surface of the substrate and expelled from the substrate to be incident on the first guard in parallel with the different-liquid supply step.