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:
Apr. 16, 2024
Filed:
Aug. 22, 2022
Screen Holdings Co., Ltd., Kyoto, JP;
Kei Suzuki, Kyoto, JP;
Masaki Inaba, Kyoto, JP;
SCREEN Holdings Co., Ltd., , JP;
Abstract
A substrate processing method is provided, which includes: a sulfuric acid immersing step of immersing a plurality of substrates in a sulfuric acid-containing liquid within a sulfuric acid vessel; a transporting step of taking out the substrates from the sulfuric acid vessel and transporting the substrates to an ozone gas treatment unit; and an ozone exposing step of exposing the substrates transported to the ozone gas treatment unit to an ozone-containing gas. The ozone gas treatment unit may include a gas treatment chamber which accommodates the substrates. The ozone exposing step may include the step of placing the substrates taken out of the sulfuric acid vessel in a treatment space within the gas treatment chamber to expose the substrates to the ozone-containing gas.