Hermetic coatings for optical fiber and product

Details Hermetic coatings for optical fiber and product Hermetic coatings for optical fiber and product

1986-03-31

1988-04-05

Childs, Sadie L.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

350 9629, 350 963, 427163, 427249, 427255, 4272552, 4272557, 4274192, 4274197, 428368, 428375, 428379, 428384, 428389, B32B 900, D02G 300

Patent

active

047358564

ABSTRACT:
A method for hermetically sealing a silica based fiber product after the fiber product has been drawn from a melt or preform wherein a hermetic layer of boron carbide or a ceramic compound having a density of above about 4 g/cc is deposited upon the fiber product. The fiber product can be initially coated with carbon or boron carbide prior to the application of the ceramic compound. Also, a method for making such fiber products using these methods, and the resultant hermetically sealed fiber products produced thereby.

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Pinnow et al., "Reduction in Static Fatigue of Silica Fibers by Hermetic Jacketing," Appl. Phys. Lett. 34(1), Jan. 79.
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