Patent ID: 11935739
Assignee: TOKYO ELECTRON LIMITED
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 6:
7. The substrate processing apparatus of claim 6, wherein,
when an angle formed between a vector indicating an orientation of a main stream of the processing liquid separated to an outside of the substrate from the liquid arrival point when viewed in a direction of the rotation axis of the substrate and a tangential line of the circle at the liquid arrival point is an angle θS,
the processing liquid nozzle is installed such that the angle θS becomes a first angle smaller than 90 degrees when the gas is not ejected from the gas nozzle, and
the gas nozzle is installed to change the direction of the processing liquid separated from the liquid arrival point such that the angle θS becomes a second angle closer to 90 degrees than the first angle when the gas is ejected from the gas nozzle.