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    • 4. 发明授权
    • Boat for vertical diffusion furnace
    • 垂直扩散炉船
    • US5711808A
    • 1998-01-27
    • US755159
    • 1996-11-25
    • Jong-moon YangChung-hwan KwonSang-woon KimChoung-bae Park
    • Jong-moon YangChung-hwan KwonSang-woon KimChoung-bae Park
    • H01L21/683F27D5/00H01L21/22C23C16/00
    • F27D5/0037
    • A boat for a vertical diffusion furnace has an upper disk and a lower disk spaced parallel from each other by a predetermined distance. A pair of first bars, having a plurality of wafer holding slots, face each other along a first center plane extending along a diameter of the upper and lower disks, and connect the upper and lower disks. A pair of second bars also connect the upper and lower disks, and are positioned at a predetermined angle with respect to a second center plane orthogonal to the first center plane. The second bars have a plurality of slots corresponding to the slots of the first bars. A pair of first auxiliary bars are installed adjacent to the pair of first bars to also connect the upper and lower disks. The boat may further have a pair of second auxiliary bars for connecting the upper and lower disks at positions adjacent to the pair of second bars. Also, a pair of horizontal supporting bars connect the first auxiliary bars to the second auxiliary bars. Therefore, thermal deformation of the first bars is markedly reduced, the slip of the wafers out of the slots is prevented, and the life of the boat can be longer.
    • 用于垂直扩散炉的船具有彼此间隔开预定距离的上盘和下盘。 具有多个晶片保持槽的一对第一杆沿着沿着上下盘的直径延伸的第一中心平面彼此面对,并连接上下盘。 一对第二杆还连接上下盘,并且相对于与第一中心平面正交的第二中心平面定位成预定角度。 第二杆具有对应于第一杆的槽的多个槽。 一对第一辅助杆安装在一对第一杆附近,以连接上部和下部盘。 船还可以具有一对第二辅助杆,用于在邻近该对第二杆的位置处连接上部和下部盘。 此外,一对水平支撑杆将第一辅助杆连接到第二辅助杆。 因此,第一棒的热变形显着减小,从而防止了晶片从槽中滑出,并且船的寿命可以更长。