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.

Date of Patent:
Feb. 23, 2016

Filed:

May. 20, 2014
Applicant:

Corning Optical Communications Llc, Hickory, NC (US);

Inventors:

Jeffrey Dean Danley, Hickory, NC (US);

Robert Bruce Elkins, II, Hickory, NC (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/36 (2006.01); G02B 6/38 (2006.01);
U.S. Cl.
CPC ...
G02B 6/3861 (2013.01); G02B 6/36 (2013.01); G02B 6/3854 (2013.01); G02B 6/3855 (2013.01);
Abstract

A pre-terminated optical fiber assembly with a ferrule having front and rear opposed faces and at least one fiber bore defined longitudinally therethrough includes a glass optical fiber is disposed within the at least one fiber bore with the fiber fused to the ferrule at a location at least 1 mm deep inside the bore. A method for fusing is also disclosed. The ferruleis desirably composed of an inorganic composite material, the composite comprising a material gradient from at least 75% by volume of a first inorganic material to at least 75% by volume of second inorganic material in the radially inward direction, where the first inorganic material has a fracture toughness of at least 1 MPa·m, and the second inorganic material has a softening point of no greater than 1000° C., desirably no greater than 900° C.


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