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    • 89. 发明申请
    • DEVICE AND METHOD FOR MANUFACTURING A PREFORM FOR OPTICAL FIBRES BY CHEMICAL VAPOUR DEPOSITION
    • 通过化学蒸气沉积制造光纤纤维的预制件的装置和方法
    • WO2003000609A1
    • 2003-01-03
    • PCT/EP2002/006778
    • 2002-06-19
    • PIRELLI CAVI E SISTEMI S.P.A.ROBA, Giacomo, StefanoNUTINI, MassimoRUZZIER, MarcoVERONELLI, Franco
    • ROBA, Giacomo, StefanoNUTINI, MassimoRUZZIER, MarcoVERONELLI, Franco
    • C03B37/014
    • C03B37/0144C03B37/01202C03B37/01406C03B37/0142C03B37/01486C03B2207/62C03B2207/66Y02P40/57
    • A method and device for manufacturing a preform for optical fibres through chemical deposition on a substrate for deposition arranged vertically is described, comprising a chemical deposition chamber including at least one gripping member rotatably mounted about an axis Z-Z and adapted to hold at least one end of at least one elongated element constituting a substrate for chemical deposition for the formation of a preform for optical fibres. The chamber includes, moreover, at least one burner which is mobile along a direction Z substantially parallel to said axis Z-Z and adapted to deposit, on said at least one elongated element, a chemical substance for the formation of a preform and at least one suction element for collecting exhaust chemical substances, said at least one suction element being arranged on the opposite side to said at least one burner with respect to said axis Z-Z and being mobile along said direction Z. Said at least one suction element is advantageously positioned at a different height (preferably lower) with respect to that of said at least one burner to optimise the fluid dynamic conditions inside the chemical deposition chamber.
    • 描述了一种用于通过化学沉积制造用于光纤的预成型件的方法和装置,所述方法和装置用于垂直布置的用于沉积的基板上,包括化学沉积室,其包括至少一个夹持构件,所述夹持构件围绕轴线ZZ可旋转地安装,并且适于保持 至少一个细长元件构成用于形成用于光纤的预成型体的用于化学沉积的基底。 此外,所述腔室还包括至少一个燃烧器,所述燃烧器沿着基本上平行于所述轴线ZZ的方向Z移动并且适于在所述至少一个细长元件上沉积用于形成预成型件的化学物质,并且至少一个吸力 所述至少一个抽吸元件相对于所述轴线ZZ布置在所述至少一个燃烧器的相对侧上,并且沿着所述方向Z可移动。所述至少一个吸入元件有利地位于 相对于所述至少一个燃烧器的高度(优选地较低),以优化化学沉积室内的流体动力学条件。