Patent ID: 11970770
Assignee: JUSUNG ENGINEERING CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC C  H  B  Y | IPC C  H

Claim 0:
1. A substrate processing apparatus comprising:
a process chamber including a space where a substrate is processed;
a substrate supporting means installed in the process chamber, the substrate being disposed on the substrate supporting means;
a source gas distribution means distributing a source gas to only a source gas area;
a reactant gas distribution means distributing a reactant gas to only a reactant gas area, the reactant gas and the source gas are distributed without being mixed with each other in the middle of being distributed to the substrate;
an exhaust pump exhausting the source gas and a reactant gas to outside the process chamber,
a source gas exhaust line guiding the source gas, which is distributed to the source gas area but is not used in a deposition process; and
a reactant gas exhaust line guiding the reactant gas, which is distributed to the reactant gas area but is not used in the deposition process,
wherein a first end of the source gas exhaust line communicates with the source gas area, and a second end of the source gas exhaust line communicates with the exhaust pump,
wherein a first end of the reactant gas exhaust line communicates with the reactant gas area, and a second end of the reactant gas exhaust line communicates with the exhaust pump,
wherein the source gas exhaust line is configured to be supplied one material selected from among O2, N2O, and O3 so that the source gas of the source gas exhaust line reacts with one material selected from among O2, N2O, and O3 between the first end of the source gas exhaust line and the second end of the source gas exhaust line and then is mixed with the reactant gas of the reactant gas exhaust line.