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发明授权
US4708726A Fabrication of a lightguide preform by the outside vapor deposition process 失效
通过外部气相沉积工艺制造光导预制件

Fabrication of a lightguide preform by the outside vapor deposition process
摘要：
A lightguide preform is fabricated by depositing a thin carbon layer (40) on a cylindrical glass mandrel (30) and further depositing a plurality of glassy soot layers (32) thereover. The resulting composite structure is heated, in a furnace, at a low temperature to remove the carbon layer (40) and then heated at an elevated temperature to consolidate the glassy soot layers on the glass mandrel to form the lightguide preform.
摘要（中）：

通过在圆柱形玻璃心轴（30）上沉积薄碳层（40）并进一步在其上沉积多个玻璃状烟灰层（32）来制造光导预制件。 将所得复合结构在炉中在低温下加热以除去碳层（40），然后在升高的温度下加热，以固化玻璃心轴上的玻璃状烟灰层以形成光导预制件。

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