Patent ID: 11967513
Assignee: KOKUSAI ELECTRIC CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 0:
1. A substrate processing apparatus comprising:
a process chamber provided with a heater;
a load lock chamber;
a transfer chamber provided between the process chamber and the load lock chamber and comprising a first region provided adjacent to the process chamber and a second region provided more adjacent to the load lock chamber than the first region and whose temperature is lower than a temperature of the first region, wherein the second region is a ceiling or a part of a sidewall of the transfer chamber;
a detector capable of detecting an amount of moisture in the transfer chamber; and
an inert gas supplier comprising a supply hole capable of supplying an inert gas toward the second region in the transfer chamber while a substrate is not present in the transfer chamber.