发明授权
- 专利标题: Plasma torch for overcladding an optical fiber preform
- 专利标题(中): 用于包覆光纤预制棒的等离子火炬
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申请号: US11769092申请日: 2007-06-27
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公开(公告)号: US07854145B2公开(公告)日: 2010-12-21
- 发明人: Cedric Gonnet , Laurent Calvo , Emmanuel Petitfrere
- 申请人: Cedric Gonnet , Laurent Calvo , Emmanuel Petitfrere
- 申请人地址: NL Amsterdam
- 专利权人: Draka Comteq, B.V.
- 当前专利权人: Draka Comteq, B.V.
- 当前专利权人地址: NL Amsterdam
- 代理机构: Summa, Additon & Ashe, P.A.
- 优先权: FR0605760 20060627
- 主分类号: C03B37/018
- IPC分类号: C03B37/018
摘要:
Disclosed is a plasma torch for overcladding a primary preform of an optical fiber. The plasma torch includes a confinement tube for confining an induced plasma and a torch base. The torch base has a ceramic surface internal to the confinement tube. The plasma torch has extended life even at high input powers.
公开/授权文献
- US20070295033A1 Plasma Torch for Overcladding an Optical Fiber Preform 公开/授权日:2007-12-27
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