Double-coated optical fiber

Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding

Reexamination Certificate

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C385S123000, C385S126000, C385S127000, C385S141000, C385S144000

Reexamination Certificate

active

07088897

ABSTRACT:
A double-coated optical fiber and method includes providing a core that serves as a light transmission medium. A cladding surrounds the core and has a smaller reflective index than the core. A primary coating layer is formed of a UV-cured polymer around the clad, and a secondary coating layer is formed of a UV-cured polymer around the primary coating layer, to a thickness ranging from about 22 to 37.5 μm in order to obtain a coating strip force ranging from about 1.0 to 1.63 N and a dynamic stress corrosion parameter ranging from 20 to 29. The primary and secondary coating layers can be formed by a wet on wet or wet on dry process.

REFERENCES:
patent: 4877306 (1989-10-01), Kar
patent: 5212757 (1993-05-01), Brownlow et al.
patent: 6316516 (2001-11-01), Chien et al.

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