发明授权
US5714196A Method of forming a strippable polyimide coating for an optical fiber
失效
形成光纤可剥离聚酰亚胺涂层的方法
- 专利标题: Method of forming a strippable polyimide coating for an optical fiber
- 专利标题(中): 形成光纤可剥离聚酰亚胺涂层的方法
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申请号: US623684申请日: 1996-03-29
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公开(公告)号: US5714196A公开(公告)日: 1998-02-03
- 发明人: Lubos J. Vacha
- 申请人: Lubos J. Vacha
- 申请人地址: MA Sturbridge
- 专利权人: Galileo Corporation
- 当前专利权人: Galileo Corporation
- 当前专利权人地址: MA Sturbridge
- 主分类号: C03C25/16
- IPC分类号: C03C25/16 ; C03C25/10 ; G02B6/02 ; G02B6/10 ; G02B6/245 ; B05D3/02 ; B05D3/10
摘要:
A method of making an optical fiber having a strippable polyimide coating includes the steps of drawing an optical fiber through curable polyamic acid solution to form a coating on the fiber and curing the coated fiber. The cured coating can subsequently be stripped from the optical fiber by exposing the cured coating to an organic polar solvent such as acetone. A fiber having a strippable polyimide coating is also provided. The method is particularly applicable to heavy metal fluoride fibers, and to chalcogenide fibers which carry optical signals in the infrared region.
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