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:
Jul. 28, 2009
Filed:
Mar. 28, 2007
Applicants:
Philip Robert Leblanc, Corning, NY (US);
Vitor Marino Schneider, Painted Post, NY (US);
Correy Robert Ustanik, Painted Post, NY (US);
Inventors:
Philip Robert LeBlanc, Corning, NY (US);
Vitor Marino Schneider, Painted Post, NY (US);
Correy Robert Ustanik, Painted Post, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method for detecting defects in a transparent substrate by simultaneously using a combination of bright field and dark field light sources for illuminating the substrate. The apparatus is capable of detecting both inclusions and surface defects simultaneously while the substrate is in motion, simplifying the characterization of substrates in a manufacturing setting.