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    • 1. 发明授权
    • 톱니형 포커싱 튜브
    • 聚焦管类型
    • KR100766720B1
    • 2007-10-11
    • KR1020060050646
    • 2006-06-07
    • 구갑렬
    • 구갑렬김정규견명옥안준호김정곤서정두
    • C30B23/00
    • A serrated focusing tube for use in single crystal growth of silicon carbide is provided to suppress polycrystalline growth of a process gas and prevent the process gas from entering a single crystal region by focusing the process gas sublimated from silicon carbide powder. A serrated focusing tube for use in single crystal growth of silicon carbide through sublimation technique includes a focusing portion(10) provided with rectangular grooves(20) for focusing a process gas moving towards a surface of a seed crystal, a seat portion(40) for installing the focusing tube in a furnace, and a passage(30) through which the process gas moves towards the seed crystal.
    • 提供用于碳化硅单晶生长的锯齿状聚焦管,以抑制处理气体的多晶生长,并通过聚焦从碳化硅粉末升华的工艺气体来防止工艺气体进入单晶区域。 用于通过升华技术的碳化硅单晶生长中使用的锯齿状聚焦管包括:聚焦部分(10),设置有用于聚焦朝向晶种表面移动的工艺气体的矩形凹槽(20);座部分(40) 用于将聚焦管安装在炉中,以及通道(30),工艺气体通过该通道朝向晶种移动。