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Optical fibers possessing a primary coating with a higher degree of cure and methods of making

  • US 20030059188A1
  • Filed: 02/27/2002
  • Published: 03/27/2003
  • Est. Priority Date: 07/20/2001
  • Status: Active Grant
First Claim
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1. An optical fiber comprising:

  • a fiber comprising at least a core;

    a primary coating substantially encapsulating the fiber, the primary coating being the cured product of a first polymerizable composition comprising a first photoinitiator which absorbs light within a range of the UV spectrum; and

    a secondary coating substantially encapsulating the primary coating on the fiber, the secondary coating being the cured product of a second polymerizable composition comprising a second photoinitiator which also absorbs light within the range of the UV spectrum, wherein an average integrated intensity for the second photoinitiator is 95% or less of the average integrated intensity for the primary photoinitiator over at least a portion of the range of the UV spectrum.

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