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:
Jun. 04, 2024
Filed:
Aug. 25, 2022
Tokyo Electron Limited, Tokyo, JP;
Jun Tamada, Kumamoto, JP;
Junya Minamida, Kumamoto, JP;
TOKYO ELECTRON LIMITED, Tokyo, JP;
Abstract
A substrate processing apparatus includes a liquid processing unit configured to supply, onto a front surface of a substrate, individual multiple processing liquids different from each other; an exhaust unit configured to exhaust an exhaust gas exhausted from the liquid processing unit to an outside. The exhaust unit includes a main exhaust pipe including a first portion and a second portion, a first individual exhaust pipe, a second individual exhaust pipe, a switching unit and an outside air introduction pipe. The switching unit includes a first switching mechanism, a second switching mechanism, a third switching mechanism provided between the first portion and the second portion of the main exhaust pipe, an outside air introduction pipe connected to the second portion to allow outside air to be introduced into the second portion, and a fourth switching mechanism provided in the outside air introduction pipe.