Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1981-10-27
1984-02-21
Lee, John D.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
65 34, 350 9630, 427163, G02B 5172
Patent
active
044326076
ABSTRACT:
A hot melt optical fiber coating comprising a thermoplastic rubber block copolymer reduces microbending losses over a wide service temperature range, typically down to at least -40 degrees Celsius, while obtaining an upper temperature limit of at least 90 degrees Celsius. The processing properties, including shelf life, cure rate, and toughness, are superior to typical prior art materials, such as silicones. The inventive coating can be used as the inner coating of a dual-layer coated fiber or as a single coating layer.
REFERENCES:
patent: 3876405 (1975-04-01), Eilerman
patent: 4042555 (1977-08-01), Raimondi et al.
patent: 4147407 (1979-04-01), Eichenbaum et al.
patent: 4198121 (1980-04-01), Le Davay et al.
Bell Telephone Laboratories Incorporated
Fox James H.
Lee John D.
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