Patent ID: 11970771
Assignee: KOKUSAI ELECTRIC CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 20:
21. A substrate processing apparatus comprising:
a process chamber configured to accommodate a substrate, and
a precursor gas supply system configured to supply a vaporized gas obtained by vaporizing a liquid precursor by a vaporizer, as a precursor gas, to the process chamber, the vaporizer comprising:
a vaporization chamber comprising a first portion and a second portion;
a first fluid supply part connected to the first portion of the vaporization chamber, and configured to supply a mixed fluid in which a first carrier gas and the liquid precursor are mixed, toward the second portion; and
a second fluid supply part configured to supply a second carrier gas such that a part of the second carrier gas is supplied in a first direction toward the first portion and another part of the second carrier gas is supplied in a second direction different from the first direction, and

wherein the second carrier gas flowing in the second direction flows along a sidewall of the vaporization chamber.