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:
Aug. 16, 2022
Filed:
Jul. 30, 2020
Kokusai Electric Corporation, Tokyo, JP;
Takayuki Waseda, Toyama, JP;
Takashi Nakagawa, Toyama, JP;
Kimihiko Nakatani, Toyama, JP;
Motomu Degai, Toyama, JP;
Yoshitomo Hashimoto, Toyama, JP;
KOKUSAI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
There is included (a) forming a protective film on a surface of a third base by supplying a processing gas to a substrate in which a first base containing no oxygen, a second base containing oxygen, and the third base containing no oxygen and no nitrogen are exposed on a surface of the substrate; (b) modifying a surface of the second base to be fluorine-terminated by supplying a fluorine-containing gas to the substrate after the protective film is formed on the surface of the third base; and (c) selectively forming a film on a surface of the first base by supplying a film-forming gas to the substrate after the surface of the second base is modified.