Optical transmission element

Details Optical transmission element Optical transmission element

1990-03-29

1991-07-16

Lee, John D.

350 9629, 350 9634, G02B 644

Patent

active

050319965

ABSTRACT:
An optical transmission element that has an oil-containing filling compound and inside is provided with a two-layer outside sheath. The inside layer of the sheath is composed of a polyolefin and the outside layer is composed of a polyester, particularly of a polycarbonate. The shrinkage and swelling of the inside layer is largely compensated by the hard outside layer and the swelling portion, which usually appear at higher temperature, are kept extremely low.

REFERENCES:
patent: 4641916 (1987-02-01), Destrekh et al.
patent: 4660926 (1987-04-01), Mayr et al.

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