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. 12, 2025
Filed:
May. 11, 2023
Tokyo Electron Limited, Tokyo, JP;
Tomoya Hasegawa, Yamanashi, JP;
Koji Sasaki, Yamanashi, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A cleaning method for removing a deposit in a processing chamber is provided. The cleaning method includes adjusting a temperature in the processing chamber to a first temperature; supplying a first gas including a hydrogen fluoride gas into the processing chamber in which the temperature is adjusted to the first temperature; adjusting the temperature in the processing chamber to a second temperature that is higher than the first temperature; and supplying a second gas including the hydrogen fluoride gas and an ammonia gas into the processing chamber in which the temperature is adjusted to the second temperature.