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:
May. 16, 2023

Filed:

Jul. 22, 2020
Applicant:

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

Inventors:

Tae Kyung Kong, Chungcheongnam-do, KR;

Jin Sung Sun, Chungcheongnam-do, KR;

Kiwon Han, Gyeonggi-do, KR;

Assignee:

SEMES CO., LTD., Cheonan-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); B65G 47/90 (2006.01); G03F 7/16 (2006.01); H01L 21/687 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67196 (2013.01); B65G 47/90 (2013.01); G03F 7/161 (2013.01); H01L 21/67017 (2013.01); H01L 21/68707 (2013.01);
Abstract

An apparatus for transferring a substrate is provided. A unit for transferring a substrate, includes a support structure, a first hand to place the substrate, a second hand stacked with the first hand and placing the substrate, a first guide rail guiding movement of a first support rod to support the first hand in the support structure, a second guide rail guiding movement of a second support rod in the support structure to support the second hand, and a pressure reducing member reducing pressure of an exhaust fluid passage provided in the support structure. The exhaust fluid passage includes a first fluid passage communicating with the first guide rail, a second fluid passage communicating with the second guide rail, and a third fluid passage formed by combining the first fluid passage with the second fluid passage. The pressure reducing member reduces pressure of the third fluid passage.


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