US 11,967,491 B2
Method and apparatus for parts cleaning
Soon-Cheon Cho, Pyeongtaek-si (KR); Su Hyung Lee, Hwaseong-si (KR); Youngran Ko, Daegu (KR); and Juyong Jang, Yongin-si (KR)
Assigned to SEMES CO., LTD., Cheonan-si (KR)
Filed by SEMES CO., LTD., Cheonan-si (KR)
Filed on Feb. 16, 2021, as Appl. No. 17/177,135.
Claims priority of application No. 10-2020-0019876 (KR), filed on Feb. 18, 2020.
Prior Publication US 2021/0257193 A1, Aug. 19, 2021
Int. Cl. H01L 21/67 (2006.01); B08B 7/00 (2006.01); B08B 13/00 (2006.01); H01J 37/32 (2006.01)
CPC H01J 37/32862 (2013.01) [B08B 7/0035 (2013.01); B08B 13/00 (2013.01); H01J 37/3244 (2013.01); H01L 21/67034 (2013.01); H01J 37/32192 (2013.01); H01J 37/32825 (2013.01); H01J 2237/002 (2013.01); H01J 2237/335 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An apparatus for cleaning a part of a substrate processing apparatus, the apparatus comprising:
a plasma supply member configured to discharge plasma;
a gas supply member configured to supply a cleaning gas into the plasma supply member;
a plasma source configured to generate plasma from the cleaning gas provided in the plasma supply member; and
a cooling medium supply member configured to supply a cooling medium into an internal space of the plasma supply member to cool the plasma in the plasma supply member,
wherein the internal space of the plasma supply member includes a first space and a second space that are connected with each other,
wherein the plasma supply member comprises:
a body part having the first space where the plasma is generated,
wherein the plasma source is installed in the first space of the body part; and
a discharge part having the second space connected to the first space and the cooling medium supply member,
wherein the cooling medium is supplied into the second space of the discharge part from the cooling medium supply member,
wherein the cooling medium and the plasma are discharged through a discharge port connected to the discharge part,
wherein the cleaning gas is introduced into the first space of the body part, and
wherein the plasma is transferred from the first space of the body part to the second space of the discharge part, and is discharged through the discharge port of the discharge part.