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:
Nov. 07, 2023
Filed:
Jan. 29, 2020
Applicant:
Tokyo Electron Limited, Tokyo, JP;
Inventors:
Yutaka Motoyama, Yamanashi, JP;
Rui Kanemura, Yamanashi, JP;
Assignee:
TOKYO ELECTRON LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/44 (2006.01); C23C 16/455 (2006.01); C23C 16/52 (2006.01);
U.S. Cl.
CPC ...
C23C 16/4412 (2013.01); C23C 16/45544 (2013.01); C23C 16/52 (2013.01);
Abstract
An exhaust device includes: a first pressure regulator provided in an exhaust pipe connected to a processing container; a second pressure regulator provided on a downstream side of the first pressure regulator; a first vacuum gauge provided on an upstream side of the first pressure regulator; and a second vacuum gauge provided between the first pressure regulator and the second pressure regulator.