Heat-fused unitary ferrule and method for producing the same

Details Heat-fused unitary ferrule and method for producing the same Heat-fused unitary ferrule and method for producing the same

1998-01-08

2000-08-15

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428167, 385 65, 385 83, 385 85, 385 89, 385 92, 65 41, 65406, B32B 300, G02B 638, G02B 3715

Patent

active

061033448

ABSTRACT:
A heat-fused unitary ferrule includes a first glass substrate and a second glass substrate. The first glass substrate and the second glass substrate are unitarily joined by heat-fusion. A method for producing a heat-fused unitary ferrule includes the steps of: bringing a surface to be heat-fused of the first glass substrate having a groove for fixing an optical fiber into contact with a surface to be heat-fused of the second glass substrate; and subjecting the first and second glass substrates to heat-fusion at a temperature ranging from (Tg1-100).degree. C. to (Tg2+150).degree. C. (Tg1 denotes the higher glass transition temperature, and Tg2 denotes the lower glass transition temperature of the first and second glass substrates).

REFERENCES:
patent: 2297337 (1942-09-01), Wiley
patent: 2398371 (1946-04-01), Gerspacher
patent: 4683154 (1987-07-01), Benson et al.
patent: 4941302 (1990-07-01), Barry
patent: 5249246 (1993-09-01), Szanto
patent: 5907651 (1999-05-01), Bunin et al.

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