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:
May. 26, 2009
Filed:
Feb. 17, 2006
Applicants:
James Gerard Fagan, Painted Post, NY (US);
Sumalee Likitvanichkul, Painted Post, NY (US);
Daniel Raymond Sempolinski, Painted Post, NY (US);
Inventors:
James Gerard Fagan, Painted Post, NY (US);
Sumalee Likitvanichkul, Painted Post, NY (US);
Daniel Raymond Sempolinski, Painted Post, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method for treating glass and crystalline inorganic materials whereby metal contamination during such process is inhibited. Such process includes treating the material in the presence of a purifying atmosphere comprising a cleansing gas. The process is especially advantageous for treating high purity fused silica glass for use in advanced lithographic devices.