Polyamide sheathed optical waveguide fibers

Details Polyamide sheathed optical waveguide fibers Polyamide sheathed optical waveguide fibers

1985-08-01

1986-03-25

Hoffman, James R.

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

65 311, B05D 506, C03C 2502

Patent

active

045782849

ABSTRACT:
A method for manufacturing sheathed high tensile strength optical waveguides having drawn glass fiber optical cores in which the cores are passed through a molten thermoplastic polyamide to form an adhering coating which is then cooled to form a uniform sheath. The sheath is flexible over a temperature range of -40.degree. C. to +80.degree. C. and the polyamide contains dimeric fatty acid as one of its monomer components and has a glass transition temperature below -10.degree. C.

REFERENCES:
patent: 4062820 (1977-12-01), Mitchell, III et al.
patent: 4062828 (1977-12-01), Herwig
patent: 4351657 (1982-09-01), Kimura et al.
English translation of German 31 11 226 (equivalent to U.S. Ser. No. 678,230).

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