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:
Oct. 14, 2025
Filed:
Jan. 24, 2023
Fujifilm Corporation, Tokyo, JP;
Yasuo Sugishima, Shizuoka, JP;
Atsushi Mizutani, Shizuoka, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a treatment liquid for a semiconductor device, which is excellent in removal performance for residues present on a substrate, and to provide a substrate washing method using the treatment liquid. The treatment liquid of the present invention is a treatment liquid for a semiconductor device, which includes water, a basic compound, hexylene glycol, and a compound A that is at least one kind selected from the group consisting of isobutene, (E)-2-methyl-1,3-pentadiene, 4-methyl-1,3-pentadiene, 2,2,4-trimethyloxetane, 4-methyl-3-penten-2-ol, and 2,4,4,6-tetramethyl-1,3-dioxane.