公开(公告)号：US20240247397A1

公开(公告)日：2024-07-25

申请号：US18040128

申请日：2022-11-25

申请人： TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., LTD

发明人： Zhenyu LIU ,  Jian XU ,  Zilong ZHAO ,  Long XIANG ,  Jianping WANG ,  Jianping GAO

IPC分类号： C30B15/00 ,  C30B29/06

CPC分类号： C30B15/00 ,  C30B29/06

摘要： An anti-cracking suction device for Czochralski single crystal is provided, wherein the device includes an outer cylinder, an inner cylinder disposed in the outer cylinder, a suction tube, and a first gap. An upper portion of the suction tube extends into the inner cylinder from a bottom of the outer cylinder, a lower portion of the suction tube is disposed outside the outer cylinder. The first gap is disposed between a bottom of the inner cylinder and the outer cylinder, and is configured to cushion a thermal expansion of the bottom of the inner cylinder to reduce stress at where the suction tube is connected with the inner cylinder, in a case that silicon liquid is sucked into the inner cylinder by the suction tube and accumulated at the bottom of the inner cylinder.