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:
May. 26, 2026
Filed:
Feb. 13, 2023
Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;
Yukihisa Wada, Kanagawa, JP;
Natsumi Okawa, Kanagawa, JP;
Satoshi Fujimura, Kanagawa, JP;
Takayuki Haraguchi, Kanagawa, JP;
Kazumasa Wakiya, Kanagawa, JP;
TOKYO OHKA KOGYO CO., LTD., Kanagawa, JP;
Abstract
A rinsing solution for rinsing a substrate with a protrusion portion, including an organic solvent (S1) that contains no hydroxyl group or fluorine atom and that has a dynamic viscosity of equal to or smaller than 1.05×10m/s. A method of treating a substrate with a protrusion portion, including a step (A) of bringing the rinsing solution into contact with a surface of the substrate with the protrusion portion, the protrusion portion being formed on the surface; and a step (B) of removing the rinsing solution from the surface on which the protrusion portion is formed.