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    • 2. 发明授权
    • Optical fiber cable
    • 光纤电缆
    • US5751881A
    • 1998-05-12
    • US776429
    • 1997-01-27
    • Eiji KondaNobuhisa IshiiRyuichi Matsuoka
    • Eiji KondaNobuhisa IshiiRyuichi Matsuoka
    • G02B6/44
    • G02B6/4408
    • An optical fiber cable comprises a slender base body having spiral grooves formed on the outer circumferential surface, and at least one optical fiber tape housed within each of said grooves, said tape including a plurality of insulated optical fibers and a resin coating layer covering said optical fibers. The base body is formed of a mixture of at least two materials differing from each other in the molecular weight distribution. The particular construction permits markedly suppressing an increase of transmission loss derived from micro-bend occurring in the optical fiber tape arranged within the base body, and also permits arranging optical fiber tapes within the base body at a higher density.
    • PCT No.PCT / JP96 / 01548 Sec。 371日期1997年1月27日 102(e)1997年1月27日PCT PCT 1996年6月7日PCT公布。 出版物WO96 / 42029 日期:1996年12月27日光纤电缆包括:细长基体,其具有形成在外周面上的螺旋槽,以及容纳在每个所述槽内的至少一根光纤带,所述带包括多个绝缘光纤和树脂 覆盖所述光纤的涂层。 基体由分子量分布中彼此不同的至少两种材料的混合物形成。 具体的结构允许显着地抑制由布置在基体内的光纤带中发生的微弯所导致的传输损耗的增加,并且还允许以更高的密度将光纤带布置在基体内。
    • 4. 发明授权
    • Optical fiber cable
    • 光纤电缆
    • US5845032A
    • 1998-12-01
    • US922978
    • 1997-09-02
    • Eiji KondaNobuhisa IshiiRyuichi Matsuoka
    • Eiji KondaNobuhisa IshiiRyuichi Matsuoka
    • G02B6/44
    • G02B6/4408
    • An optical fiber cable comprises a slender base body having spiral grooves formed on the outer circumferential surface, and at least one optical fiber tape housed within each of said grooves, said tape including a plurality of insulated optical fibers and a resin coating layer covering said optical fibers. The base body is formed of a mixture of at least two materials differing from each other in the molecular weight distribution. The particular construction permits markedly suppressing an increase of transmission loss derived from micro-bend occurring in the optical fiber tape arranged within the base body, and also permits arranging optical fiber tapes within the base body at a higher density.
    • 光纤电缆包括:细长基体,其具有形成在外周面上的螺旋槽,以及容纳在每个所述槽内的至少一个光纤带,所述带包括多个绝缘光纤和覆盖所述光学器件的树脂涂层 纤维。 基体由分子量分布中彼此不同的至少两种材料的混合物形成。 具体的结构允许显着地抑制由布置在基体内的光纤带中发生的微弯所导致的传输损耗的增加,并且还允许以更高的密度将光纤带布置在基体内。