Quartz crucibles having reduced bubble content and method of making thereof
    25.
    发明申请
    Quartz crucibles having reduced bubble content and method of making thereof 审中-公开
    具有降低气泡含量的石英坩埚及其制造方法

    公开(公告)号:US20050120945A1

    公开(公告)日:2005-06-09

    申请号:US11002597

    申请日:2004-12-02

    申请人: Richard Hansen

    发明人: Richard Hansen

    摘要: A quartz crucible having reduced/controlled bubble content is disclosed, comprising an outer layer and an inner layer doped with elements and compounds that: a) react with oxygen and nitrogen at or near the fusion temperature of quartz; and b) form compounds that are thermally stable at temperatures of above 1400° C. and chemically stable in a SiO2 environment. A method to make a crucible having controlled bubble content is also disclosed, the method comprises the step of forming a crucible having an inner layer doped with a material that reacts with residual gases in the bubble such as nitrogen and oxygen and thus consume the gases in the bubbles and empty them in the fusion process.

    摘要翻译: 公开了具有减少/控制的气泡含量的石英坩埚,其包括外层和掺杂有元素和化合物的内层,所述元素和化合物:a)在或接近石英的熔融温度下与氧和氮反应; 和b)形成在高于1400℃的温度下热稳定并且在SiO 2环境中化学稳定的化合物。 还公开了制造具有可控气泡含量的坩埚的方法,该方法包括形成坩埚的步骤,该坩埚具有掺杂有与气泡中的残余气体(例如氮气和氧气)反应的材料的内层,从而消耗气体 在融合过程中气泡和空白。