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PROCEDURES FOR THE SUBLIMATION OF A SIC INCREASE INCREASED IN SUCCESS DRUGS
PROCEDURES FOR THE SUBLIMATION OF A SIC INCREASE INCREASED IN SUCCESS DRUGS
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机译:成功药物增加的SIC增减的程序
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摘要
A method for the sublimation growth of an SiC single crystal, involving heating up under growth pressure, is described. In the method for the sublimation growth of the SiC single crystal, a crucible holding a stock of solid SiC and an SiC seed crystal, onto which the SiC single crystal grows, is evacuated during a starting phase which precedes the actual growth phase and is then filled with an inert gas, until a growth pressure is reached in the crucible. Moreover, the crucible is initially heated to an intermediate temperature and then, in a heat-up phase, is heated to a growth temperature at a heat-up rate of at most 20° C./min. As a result, controlled seeding on the SiC seed crystal is achieved even during the heat-up phase.
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