Quartz fusion furnace and method for forming quartz articles
    2.
    发明授权
    Quartz fusion furnace and method for forming quartz articles 有权
    石英熔化炉及石英制品成型方法

    公开(公告)号:US06422861B1

    公开(公告)日:2002-07-23

    申请号:US09717395

    申请日:2000-11-20

    IPC分类号: F27B1418

    摘要: A crucible for melting a silica for fusion of said silica into a desired shape. The crucible having a main body with inner and outer surfaces comprised of a refractory material. In addition, the inner surface adjacent at least a melting zone of the furnace includes a substantially gas-tight barrier layer comprised of a material selected from rhenium, osmium, iridium, and mixtures thereof.

    摘要翻译: 一种用于熔化二氧化硅以使所述二氧化硅熔融成所需形状的坩埚。 该坩埚具有内表面和外表面由耐火材料构成的主体。 此外,与炉子的至少熔融区相邻的内表面包括由选自铼,锇,铱及其混合物的材料构成的基本上气密的阻隔层。