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:
Jul. 21, 2026
Filed:
Apr. 26, 2022
Applicant:
Central Glass Company, Limited, Yamaguchi, JP;
Inventors:
Assignee:
CENTRAL GLASS COMPANY, LIMITED, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10P 50/24 (2026.01); C09K 13/00 (2006.01); H10P 50/28 (2026.01);
U.S. Cl.
CPC ...
H10P 50/242 (2026.01); C09K 13/00 (2013.01); H10P 50/285 (2026.01);
Abstract
The present disclosure aims to provide a surface treatment method using a gas composition capable of removing a metal oxide or metal at low temperatures without using plasma. The present disclosure provides a surface treatment method including bringing a gas into contact with a surface of a workpiece, wherein the gas contains a β-diketone, a first additive gas, and a second additive gas, the first additive gas is NO, and the second additive gas is at least one selected from the group consisting of Oand NO.