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:
Jan. 06, 2026

Filed:

Apr. 22, 2023
Applicant:

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

Inventors:

Soo Han Song, Gyeonggi-do, KR;

Jung Bong Choi, Gyeonggi-do, KR;

Kang Seop Yun, Chungcheongnam-do, KR;

Assignee:

SEMES CO., LTD., Chungcheongnam-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67051 (2013.01); H01L 21/02052 (2013.01); H01L 21/6715 (2013.01);
Abstract

The present disclosure provides an apparatus for treating a substrate, comprising: a chemical discharge pipe; a cover configured to surround the chemical discharge pipe; a buffer disposed in a space between the chemical discharge pipe and the cover; a chemical supplier configured to supply a chemical to the chemical discharge pipe; a cleaning liquid supplier configured to supply a cleaning liquid via the cover; and a dry gas supplier configured to supply a dry gas via the cover, wherein the supplied cleaning liquid is sprayed by passing through the buffer via a space between the outside of the chemical discharge pipe and the inside of the cover to clean a tip of the chemical discharge pipe, and the supplied dry gas is sprayed by passing through the buffer via the space between the outside of the chemical discharge pipe and the inside of the cover to dry the tip of the chemical discharge pipe.


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