METHOD FOR MANUFACTURING SINGLE CRYSTAL
    5.
    发明申请
    METHOD FOR MANUFACTURING SINGLE CRYSTAL 有权
    制造单晶的方法

    公开(公告)号:US20160289861A1

    公开(公告)日:2016-10-06

    申请号:US15036095

    申请日:2014-11-12

    Abstract: Method for manufacturing a single crystal according to a CZ method, including: pre-examining a correlation between an Al/Li ratio in a quartz raw material powder used for producing the quartz crucible, a use time of the crucible, a devitrification ratio at the use time, and occurrence or nonoccurrence of melt leakage attributable to the devitrification part; setting a range of the devitrification ratio of the quartz crucible in order not to generate the melt leakage, and determining a maximum use time of the quartz crucible according to the Al/Li ratio so as to fall within the set range of the ratio, on the basis of the correlation; and growing the single crystal by using the quartz crucible in the range of the maximum use time. This provides a manufacturing method which can efficiently use a quartz crucible to grow a single crystal while preventing occurrence of melt leakage.

    Abstract translation: 根据CZ方法制造单晶的方法,包括:预先检查用于制造石英坩埚的石英原料粉末中的Al / Li比与坩埚的使用时间, 使用时间,以及归因于失透部分的熔体泄漏的发生或不发生; 设定石英坩埚的失透比的范围,以便不产生熔体泄漏,并且根据Al / Li比确定石英坩埚的最大使用时间,使其落入该比率的设定范围内 相关的基础; 并在最大使用时间范围内使用石英坩埚生长单晶。 这提供了可以有效地使用石英坩埚来生长单晶同时防止熔体泄漏的发生的制造方法。

    Manufacturing method for optical fiber preform and optical fiber
    8.
    发明授权
    Manufacturing method for optical fiber preform and optical fiber 有权
    光纤预制棒和光纤的制造方法

    公开(公告)号:US08693833B2

    公开(公告)日:2014-04-08

    申请号:US13243092

    申请日:2011-09-23

    Abstract: Provided is a manufacturing method for an optical fiber preform of which the core is doped with a rare earth element. The method includes: depositing glass particles within a silica tube by the modified chemical vapor deposition method, the glass particles mainly consisting of silicon dioxide; adding the rare earth element and aluminum to the glass particles within the silica tube by the solution doping method; heating the silica tube while flowing a phosphorous-containing gas into the silica tube to sinter the glass particles within the silica tube while adding the phosphorous; and heating and collapsing the silica tube to which the rare earth element, the aluminum, and the phosphorous are added.

    Abstract translation: 本发明提供一种其中掺杂有稀土元素的光纤预制棒的制造方法。 该方法包括:通过改性化学气相沉积法将玻璃颗粒沉积在二氧化硅管内,玻璃颗粒主要由二氧化硅组成; 通过溶液掺杂法将稀土元素和铝添加到二氧化硅管内的玻璃颗粒中; 在将含磷气体流入二氧化硅管的同时加热二氧化硅管,以在加入磷的同时烧结二氧化硅管内的玻璃颗粒; 并且加热和塌陷添加有稀土元素,铝和磷的二氧化硅管。

    MANUFACTURING METHOD FOR OPTICAL FIBER PREFORM AND OPTICAL FIBER
    10.
    发明申请
    MANUFACTURING METHOD FOR OPTICAL FIBER PREFORM AND OPTICAL FIBER 有权
    光纤预制和光纤的制造方法

    公开(公告)号:US20120014653A1

    公开(公告)日:2012-01-19

    申请号:US13243092

    申请日:2011-09-23

    Abstract: Provided is a manufacturing method for an optical fiber preform of which the core is doped with a rare earth element. The method includes: depositing glass particles within a silica tube by the modified chemical vapor deposition method, the glass particles mainly consisting of silicon dioxide; adding the rare earth element and aluminum to the glass particles within the silica tube by the solution doping method; heating the silica tube while flowing a phosphorous-containing gas into the silica tube to sinter the glass particles within the silica tube while adding the phosphorous; and heating and collapsing the silica tube to which the rare earth element, the aluminum, and the phosphorous are added.

    Abstract translation: 本发明提供一种其中掺杂有稀土元素的光纤预制棒的制造方法。 该方法包括:通过改性化学气相沉积法将玻璃颗粒沉积在二氧化硅管内,玻璃颗粒主要由二氧化硅组成; 通过溶液掺杂法将稀土元素和铝添加到二氧化硅管内的玻璃颗粒中; 在将含磷气体流入二氧化硅管的同时加热二氧化硅管,以在加入磷的同时烧结二氧化硅管内的玻璃颗粒; 并且加热和塌陷添加有稀土元素,铝和磷的二氧化硅管。

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