G - Physics – 02 – B
Patent
G - Physics
02
B
26/197, 400/5156
G02B 6/42 (2006.01) C08F 299/06 (2006.01) G02B 6/38 (2006.01) H01L 31/02 (2006.01)
Patent
CA 1226693
ABSTRACT OF THE DISCLOSURE In the optical connection of telecommunication glass fibres to semiconductors a novel curable lacquer is used which comprises a polyester- urethane-acrylate or a polyether-urethane-acrylate. The lacquer furthermore comprises a heat- or light-activatable initiator. The refractive index of the cured lacquer is adjusted by the addition of both a reactive diluent which increases the refractive index and a reactive diluent which reduces the refractive index. Said reactive diluents furthermore serve to establish the desired mechanical properties of the lacquer prior to and after curing. In the novel method, the curable lacquer is provided on the glass fibres and/or on the semiconductor laser, after which they are contacted with each other and are optically aligned. The lacquer is then cured by raising the temperature or by exposure to light.
463560
Broer Dirk J.
Finck Johan C.j.
Fetherstonhaugh & Co.
N.v.philips'gloeilampenfabrieken
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