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:
Oct. 18, 2022

Filed:

Jul. 01, 2020
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Hachishiro Iizuka, Nirasaki, JP;

Masahisa Watanabe, Nirasaki, JP;

Yuichiro Wagatsuma, Nirasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67126 (2013.01); H01L 21/67098 (2013.01);
Abstract

A sealing structure of a gas supply line assembly connected to a processing chamber for processing a substrate in a vacuum atmosphere is provided. The sealing structure includes a first pipe member constituting the gas supply line assembly and having an end surface where an opening communicating with the processing chamber is formed, a second pipe member constituting the gas supply line assembly and having a facing surface facing the end surface of the first pipe member, and a sealing member made of an elastomer disposed between the end surface of the first pipe member and the facing surface of the second pipe member to surround the opening. The sealing structure further includes a sheet-shaped porous member disposed between the end surface of the first pipe member and the facing surface of the second pipe member to surround a vicinity of the sealing member.


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