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    • 7. 发明授权
    • Tundish for ribbon casting of semiconductor ribbon
    • 中间包用于丝带铸造半导体带
    • US4552289A
    • 1985-11-12
    • US147804
    • 1980-05-08
    • G. Felix WakefieldDavid L. Bender
    • G. Felix WakefieldDavid L. Bender
    • B22D11/06B22D11/10
    • B22D11/064B22D11/10
    • A tundish for use in casting a ribbon of crystalline or coarse grain polycrystalline material, having a support for a hopper containing molten material, the hopper having a bottom plate and three side wall plates and a top plate, each made of a material which will not interact with the molten material contained within the space defined by the bottom plate, side wall plates and top plate, to impart any significant impurity into the molten material, and wherein the top plate slants downwardly towards the bottom plate to form an elongated orifice through which molten material is extruded onto a cool surface where crystallization of a ribbon of material occurs. As disclosed, the top plate is movable with respect to the bottom plate to change the thickness of the orifice. Also as disclosed, the top plate slides in a slot in each of two opposed side walls and is of a length such that it forms with the third side wall an opening into which molten material is added to the tundish.
    • 用于铸造结晶或粗晶多晶材料带的中间包,具有用于含有熔融材料的料斗的支撑件,料斗具有底板和三个侧壁板和顶板,每个由不会 与包含在由底板,侧壁板和顶板限定的​​空间内的熔融材料相互作用,以将任何显着的杂质施加到熔融材料中,并且其中顶板向下朝向底板倾斜以形成细长的孔,通过该孔 熔融材料被挤压到冷却表面上,其中发生材料带的结晶。 如所公开的,顶板可相对于底板移动以改变孔口的厚度。 同样如所公开的,顶板在两个相对的侧壁中的每一个中的槽中滑动,并且具有这样的长度,使得其与第三侧壁形成有熔融材料添加到中间包的开口。