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:
Oct. 07, 2025
Filed:
Dec. 26, 2022
Applicant:
Semes Co., Ltd., Chungcheongnam-do, KR;
Inventors:
Jong Gun Lee, Chungcheongnam-do, KR;
Hyung Joon Kim, Gyeonggi-do, KR;
Assignee:
SEMES CO., LTD., Chungcheongnam-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6833 (2013.01);
Abstract
A substrate processing apparatus is provided. The substrate processing apparatus includes: a chuck member; a ceramic puck disposed on the chuck member; a focus ring disposed to surround the ceramic puck; an insulating layer disposed below the focus ring to surround the chuck member; and two electrodes formed in the insulating layer, wherein a distance between the two electrodes is adjustable to form a variable capacitance.