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:
Feb. 24, 1998
Filed:
Jun. 13, 1996
Applicant:
Inventors:
Gaylord L Francis, Painted Post, NY (US);
Robert Morena, Caton, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385137 ; 385 41 ; 385 42 ; 385147 ;
Abstract
An optical device, and a method of producing the device, are disclosed. The device comprises a substrate having a near-zero, or negative, coefficient of thermal expansion and an optical component affixed to the substrate with a fusion seal, the seal being the fused product of a low melting glass flit having a positive CTE and a mill addition of a glass-ceramic having an effective negative CTE.