Method for manufacturing optical fiber cable with optical fibers whose chromatic dispersion value are uniformed
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United States of America Patent
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Jun 24, 2003
Grant Date -
Oct 17, 2002
app pub date -
Apr 16, 2002
filing date -
Apr 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An object of this invention is to manufacture an optical fiber cable having optical fibers with small characteristic differences at a high yield. Optical fibers in a first span are manufactured (S1), and each fiber is coated with a different color (S2). Each optical fiber is numbered in order of its chromatic dispersion value (S3). Optical fibers in a next span are manufactured (S4), and each optical fiber is arranged in order of its chromatic dispersion value (S5). Each optical fiber of the next span is coated with a color in inverse order to that of the antecedently connected optical fibers (S6). The optical fibers in the next span are connected to the antecedently connected optical fibers so that each optical fiber having a same color couples up (S7). Each connected optical fiber is renumbered in order of its chromatic dispersion value (S8). The operations of S4-S8 are repeated until reaching to a predetermined span number S9). When the optical fibers are connected as many the predetermined span number (S9), the optical fibers are bound up into one to make a cable (S10).
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