发明授权
- 专利标题： Coated optical fiber, fabrication process thereof and fabrication apparatus thereof
- 专利标题（中）： 涂布光纤及其制造方法及其制造装置
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申请号： US692922申请日： 1985-01-17
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公开(公告)号： US4801186A公开(公告)日： 1989-01-31
- 发明人: Makoto Wagatsuma , Fumio Yamamoto , Takao Kimura , Yoshito Shuto , Shinzo Yamakawa
- 申请人： Makoto Wagatsuma , Fumio Yamamoto , Takao Kimura , Yoshito Shuto , Shinzo Yamakawa
- 申请人地址： JPX Tokyo
- 专利权人： Nippon Telegraph & Telephone Public Corporation
- 当前专利权人： Nippon Telegraph & Telephone Public Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX59-10323 19840125; JPX59-107502 19840529
- 主分类号： C03C25/00
- IPC分类号： C03C25/00 ; B29C47/00 ; C03C25/10 ; C03C25/18 ; G02B6/036 ; G02B6/10
摘要：
A coated optical fiber comprising an optical fiber; a first layer of a thermoplastic rubber composition which is disposed around the circumference of the optical fiber, has a Young's modulus of 0.1 GPa or less, and is capable of extrusion coating; and a second layer of a thermoplastic resin composition which is disposed around the circumference of the first layer, has a linear expansion coefficient of 1.times.10.sup.-5.degree. C..sup.-1 or less and a Young's modulus of 5 GPa or more, and is capable of extrusion coating. The coated optical fiber has excellent transmission characteristics at low and high temperatures and is inexpensive.
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