Patent ID: 11960236
Assignee: SEMES CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G

Claim 10:
11. A substrate processing apparatus comprising:
a housing a processing space therein;
a substrate support unit supporting a substrate in the housing;
a liquid supply unit having a nozzle configured to supply a processing liquid to the substrate; and
a home port located outside the housing, configured to allow the nozzle to wait therein, and configured to discharge the processing liquid discharged by the nozzle to outside,
wherein the home port comprises:
a main body having a space therein;
a nozzle holder provided at an upper portion of the main body and configured to mount the nozzle;
an inclined surface formed below the nozzle holder in the space;
a first supply pipe configured to discharge a rinse liquid to a tip of the nozzle;
a second supply pipe configured to inject the rinse liquid into the main body;
a conductive wire configured to electrically connect the inclined surface and the first supply pipe; and
a first switch installed on the conductive wire.