Patent ID: 11873555
Assignee: KOKUSAI ELECTRIC CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  H | IPC C  H

Claim 13:
14. A substrate processing apparatus comprising:
a process chamber in which a substrate is processed;
a vaporizer comprising:
a liquid vessel in which a liquid source is stored;
a first heater immersed into the liquid source stored in the liquid vessel for heating the liquid source;
a second heater capable of heating the liquid vessel;
a first temperature sensor capable of measuring a temperature of the liquid source by immersion into the liquid source; and
a second temperature sensor capable of measuring a temperature of the liquid vessel;
a gas supplier capable of supplying a gas obtained by vaporizing the liquid source by the vaporizer into the process chamber; and
a controller capable of controlling the first heater based on the temperature measured by the first temperature sensor and controlling the second heater based on the temperature measured by the second temperature sensor.