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    • 7. 发明申请
    • METHOD FOR GROWING SILICON INGOT
    • 生长硅胶的方法
    • US20090090295A1
    • 2009-04-09
    • US12206373
    • 2008-09-08
    • Jung-Ha HWANGIl-Soo CHOISang-Hee KIM
    • Jung-Ha HWANGIl-Soo CHOISang-Hee KIM
    • C30B19/00
    • C30B15/305C30B29/06C30B30/04
    • Provided is a method for growing a silicon ingot. According to an exemplary method, the method includes charging silicon in a quartz crucible, melting the silicon by heating the quartz crucible and applying a magnetic field of 500 Gauss or higher in the quartz crucible, and growing a single crystalline silicon ingot from the melted silicon while applying a magnetic field lower than 500 Gauss in the quartz crucible. As a result, by appropriately controlling the internal pressure of the quartz crucible or the application time and the magnitude of the magnetic field, it is possible to easily accelerate crystallization of the internal surface of the quartz crucible to thereby prevent flaking of the crystals. Consequently, it is possible to grow the silicon ingot of good properties.
    • 提供了生长硅锭的方法。 根据示例性方法,该方法包括将硅加入石英坩埚中,通过加热石英坩埚并在石英坩埚中施加500高斯或更高的磁场来熔化硅,并从熔融硅生长单晶硅锭 同时在石英坩埚中施加低于500高斯的磁场。 结果,通过适当地控制石英坩埚的内部压力或施加时间和磁场的大小,可以容易地加速石英坩埚的内表面的结晶,从而防止晶体的剥离。 因此,可以生长性能良好的硅锭。