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US 2002/0157277 A1Published application
Carbon-enhanced fluoride ion cleaning
AssigneeGeneral Electric Company
InventorsDon Mark Lipkin, Lyle Timothy Rasch, Peter Joel Meschter
Life of this patent
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Abstract
A method and system for cleaning a metal article. The system is used to employ a method that comprises placing the article in a means defining a chamber; subjecting the article to a gaseous atmosphere in the means defining a chamber, where the gaseous atmosphere consisting essentially of carbon, hydrogen, and fluorine; and subjecting the article to the gaseous atmosphere at a temperature in a range from about 815° C. to about 1100° C. to clean the article.
Claims38
A method for cleaning an article, the method comprising:
- placing the article in a chamber;
- subjecting the article to a gaseous atmosphere in the chamber, the atmosphere consisting essentially of carbon, hydrogen, and fluorine;
- and
- subjecting the article to the gaseous atmosphere at a temperature in a range between about 815° C. and about 1100° C.
1 more element
An article cleaning system comprising:
- means defining a chamber;
- means for subjecting the article to a gaseous atmosphere, the gaseous atmosphere consisting essentially of carbon, hydrogen, and fluorine;
- and
- means for subjecting the article to the gaseous atmosphere at a temperature in a range from about 815° C. to about 1100° C. to clean the article.
1 more element
Dependencies are inferred from the claim text.