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:
Oct. 24, 1989
Filed:
Feb. 25, 1988
Applicant:
Inventors:
Kevin E Moran, Belmont, NC (US);
Michael L Smith, Matthews, NC (US);
Ernest R Lippard, III, Charlotte, NC (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356446 ; 356237 ;
Abstract
A laser light inspection device for inspecting opposite surfaces of a workpiece with a low angle laser light beam. The laser light beam is directed in successive scans of a first and second sides in a repetitive manner using a pair of dividing mirrors and a pair of low angle mirrors. Light reflected by any debris back toward the direction of origin of the light beam is collected and analyzed.