VITREOUS SILICA CRUCIBLE AND METHOD OF MANUFACTURING THE SAME
    2.
    发明申请
    VITREOUS SILICA CRUCIBLE AND METHOD OF MANUFACTURING THE SAME 有权
    维生素二氧化硅可溶性及其制备方法

    公开(公告)号:US20120167821A1

    公开(公告)日:2012-07-05

    申请号:US13335885

    申请日:2011-12-22

    IPC分类号: C03B19/02 C30B35/00

    摘要: The present invention provides a method of manufacturing a vitreous silica crucible including: a taking-out process of taking out the vitreous silica crucible from the mold, a honing process of removing the unfused silica powder layer on the outer surface of the vitreous silica crucible, and further comprising, after the taking-out process and before the honing process, a marking process of marking an identifier comprised of one or more groove line on the outer surface of the vitreous silica crucible, wherein the groove line after the honing process has a depth of 0.2 to 0.5 mm, and a width of 0.8 mm or more at the opening of the groove line.

    摘要翻译: 本发明提供了一种制造石英玻璃坩埚的方法,包括:从模具中取出玻璃状石英坩埚的取出工序,除去石英玻璃坩埚外表面的未熔融二氧化硅粉末层的珩磨处理, 并且还包括在所述取出处理之后并且在所述珩磨处理之前,对所述石英玻璃坩埚的外表面上的由一条或多条槽线组成的标识符进行标记处理,其中,所述珩磨处理后的所述槽线具有 深度为0.2〜0.5mm,宽度为0.8mm以上。