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.

Date of Patent:
Jul. 02, 2024

Filed:

Sep. 28, 2021
Applicant:

Semes Co., Ltd., Cheonan-si, KR;

Inventors:

Jun Ho Kim, Seongnam-si, KR;

Sang Hoon Lee, Suwon-si, KR;

Jong Seok Seo, Cheonan-si, KR;

Assignee:

Semes Co., Ltd., Chungcheongnam-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/40 (2006.01);
U.S. Cl.
CPC ...
G03F 7/40 (2013.01);
Abstract

The inventive concept provides a cooling unit. In an embodiment, the cooling unit comprises: a cooling plate with a seating surface; a pin member arranged at the cooling plate and supporting a substrate; a decompression hole formed on the seating surface; a decompression path formed within the cooling plate and connected to the decompression hole; a decompression member for decompressing the decompression path; and a controller for controlling the decompression member, wherein the controller controls the decompression member to decompress a space between the substrate and the seating surface of the cooling plate and thereby adjusting a distance between the substrate and the seating surface of the cooling plate.


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