| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem found in a conventional optical fiber cable that the increase of transmission loss due to a temperature change, etc., cannot be prevented in the case of letting the optical fiber cable have water absorbing power. SOLUTION: The buffer body which is made by attaching a water absorptive resin to non-water absorptive fiber, etc., is used as the buffer layer of the optical fiber cable, which is composed of a cable core which is formed by covering coated optical fiber or the outer periphery thereof with a buffer body, >=1 pieces of tension member and a jacket which is made of thermoplastic resin, etc., and covers the cable core and the tension member.
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