Patent · US Expired

Carbon-enhanced fluoride ion cleaning

US6416589B1 · kind B1 · utility

7Cited by
14References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1999
Grant dateJul 9, 2002
Priority date
Expiry dateFeb 18, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB08B7/0035
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.