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:
Sep. 27, 1994
Filed:
Feb. 17, 1993
Applicant:
Inventor:
Lee M Cook, Spencer, MA (US);
Assignee:
Galileo Electro-Optics Corporation, Sturbridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385116 ; 385120 ; 385123 ;
Abstract
Optical waveguide array imaging devices have a darkened surface layer in the cladding portion. The imaging devices of the invention have high contrast which is generally independent of pathlength. A method for contrast enhancement in such arrays is disclosed.