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:
Mar. 15, 1994
Filed:
Nov. 18, 1991
Applicant:
Inventors:
Sharon M Melpolder, Hilton, NY (US);
Michael J Hanarahan, Rochester, NY (US);
Anne W West, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
156621 ; 156600 ; 156603 ; 437132 ;
Abstract
A process of forming dichroic color filters on substrates, particularly image sensors, includes using a spin-on-glass process to form low and high refractive index layers. A mixture of titania and silica partially hydrolyzed and condensed sol-gel polymer suspension in the high refractive index layer and in the low refractive index layer has a partially hydrolyzed and condensed silica sol-gel polymer suspension are processed and to cause titania to phase change.