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.

Date of Patent:
Nov. 28, 2023

Filed:

Aug. 30, 2021
Applicant:

Kokusai Electric Corporation, Tokyo, JP;

Inventors:

Keigo Nishida, Toyama, JP;

Kenichi Ishiguro, Toyama, JP;

Takashi Ozaki, Toyama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 16/44 (2006.01);
U.S. Cl.
CPC ...
C23C 16/4405 (2013.01); C23C 16/4408 (2013.01);
Abstract

There is provided a technique that includes removing a substance adhering to the interior of the process container by performing a cycle a predetermined number of times under a first temperature, the cycle including: (a) supplying one gas of a nitrogen- and hydrogen-containing gas and a fluorine-containing gas into the process container after a substrate is processed; and (b) supplying the other gas different from the one gas of the nitrogen- and hydrogen-containing gas and the fluorine-containing gas into the process container where the one gas remains.


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