Coated optical fiber, fabrication process thereof and fabricatio

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350 9629, 350 9634, G02B 610

Patent

active

048011860

ABSTRACT:
A coated optical fiber comprising an optical fiber; a first layer of a thermoplastic rubber composition which is disposed around the circumference of the optical fiber, has a Young's modulus of 0.1 GPa or less, and is capable of extrusion coating; and a second layer of a thermoplastic resin composition which is disposed around the circumference of the first layer, has a linear expansion coefficient of 1.times.10.sup.-5.degree. C..sup.-1 or less and a Young's modulus of 5 GPa or more, and is capable of extrusion coating. The coated optical fiber has excellent transmission characteristics at low and high temperatures and is inexpensive.

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patent: 4133664 (1979-01-01), Aulich et al.
patent: 4161500 (1979-07-01), Schleinitz et al.
patent: 4167305 (1979-09-01), Ichiba et al.
patent: 4264649 (1981-04-01), Claypoole et al.
patent: 4351657 (1982-09-01), Kimura et al.

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