G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 1/10 (2006.01) B29C 35/08 (2006.01) B29C 35/10 (2006.01) C03C 25/10 (2006.01) C03C 25/12 (2006.01) G02B 6/22 (1990.01)
Patent
CA 2131078
A method of curing a dual-coated optical fiber is disclosed in which primary and secondary coating materials are simultaneously applied to a glass fiber and then simultaneously cured. The primary coating material encloses and engages the glass fiber, while the secondary coating material encloses and engages the primary coating material. A photoinitiator is added to the primary and secondary coating materials. The photoinitiators respond to electromagnetic energy radiated from a source of electromagnetic radiation comprising one or more curing lamps having identical emission spectra; however, the photoinitiator added to the primary coating material is selected to be substantially more responsive to the radiation source than the photoinitiator added to the secondary coating material. The photoinitiator associated with the primary coating has a photoactive region in the vicinity of a peak of the emission spectrum, whereas the photoinitiator associated with the secondary coating has a photoactive region where the emission spectrum of the curing lamps has a substantially lower intensity.
Baron William James
Moore Robert Clark
Petisce James Raymond
Taylor Carl Raymond
American Telephone And Telegraph Company
Kirby Eades Gale Baker
LandOfFree
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