Ribbon unit, a method of making the ribbon unit, and a method of

Details Ribbon unit, a method of making the ribbon unit, and a method of Ribbon unit, a method of making the ribbon unit, and a method of

1996-07-31

2000-04-25

Krynski, William

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428375, 428378, 385115, 385123, 385145, D02G 304, G02B 600

Patent

active

060542179

ABSTRACT:
An improved optical glass fiber ribbon unit, having the capability of providing mid-span access to individual color-coated optical glass fibers contained therein, by application of finger pressure from a human hand, is provided. The ribbon unit is made of a plurality of coated optical glass fibers each further coated with a cured color-composition, and a matrix material which binds the plurality of color-coated optical glass fibers together. A bonding force between the cured color-composition and the coated optical glass fibers is greater than a bonding force between the cured color-composition and the matrix material. The matrix material has been selected or formulated to provide a modulus and Tg sufficiently high such that when opposing pressure is applied to the ribbon unit using the fingers of a human hand, the matrix material buckles and separates from the color-coated optical glass fibers instead of compressing and absorbing the opposing pressure. Also provided are a method of making the ribbon unit and a method of achieving mid-span access to individual color-coated optical glass fibers contained within the ribbon unit.

REFERENCES:
patent: 4900126 (1990-02-01), Jackson et al.
patent: 4953945 (1990-09-01), Nishimura et al.

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