The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2024
Filed:
Oct. 13, 2019
Applicant:
Semes Co., Ltd., Cheonan-si, KR;
Inventors:
Assignee:
SEMES CO., LTD., Cheonan-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32183 (2013.01); H01J 37/32642 (2013.01); H01J 37/32715 (2013.01); H01L 21/6833 (2013.01); H01J 2237/332 (2013.01); H01J 2237/334 (2013.01);
Abstract
The substrate processing apparatus includes a process chamber providing a space for processing a substrate, a chuck member provided in the process chamber and supporting the substrate, a ring member provided to surround the chuck member, an edge electrode disposed in the ring member to be electrically insulated from the chuck member, an edge impedance controller electrically connected to the edge electrode and controlling an electric potential of the edge electrode, and a coupling compensator connected between the chuck member and the edge electrode and provided to cancel or adjust coupling between the chuck member and the edge electrode.