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    • 5. 发明授权
    • Method for growing a pipe-shaped single crystal
    • 生长管状单晶的方法
    • US4323418A
    • 1982-04-06
    • US092671
    • 1979-11-09
    • Toshio KobayashiTetsu Oi
    • Toshio KobayashiTetsu Oi
    • C30B13/00C30B13/18C30B13/20C30B15/24
    • C30B13/18Y10S117/90Y10T117/104
    • A susceptor made of a conductive material which has a melting point higher than that of a starting material and which does not react with the melt of the starting material is heated to a temperature not lower than the melting point of the starting material by the radio frequency induction heating. The starting material is fed onto the upper surface of the heated susceptor at a predetermined rate so as to melt the starting material, the resultant melt of the starting material is caused to flow from the upper surface of the susceptor via the susceptor to the lower surface thereof, the melt is crystallized in touch with a seed crystal arranged on the lower surface in advance, and the seed crystal is transferred downwards, whereby a single crystal is grown.With this method, a large-sized single crystal of an insulator or a semiconductor can be readily produced, and besides a round rod-shaped single crystal, a prism-shaped or pipe-shaped single crystal can be obtained with its sectional dimensions fluctuating little.
    • 由导电材料制成的感受器,其熔点高于起始材料的熔点,并且不与起始材料的熔体反应,通过射频加热至不低于原料熔点的温度 感应加热。 以预定的速率将起始材料以预定的速率供给到加热的基座的上表面上,以使原料熔化,使原料的所得熔体从基座的上表面经由基座流到下表面 预先将熔融物与布置在下表面上的晶种接触结晶,并将晶种向下转移,从而生长单晶。 通过这种方法,可以容易地制造绝缘体或半导体的大尺寸单晶,除了圆棒状单晶之外,也可以获得棱柱状或管状的单晶,其截面尺寸变小 。