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Crucible for sapphire single crystal growth, method of growing sapphire single crystal and method of manufacturing sapphire single crystal growing crucible
Crucible for sapphire single crystal growth, method of growing sapphire single crystal and method of manufacturing sapphire single crystal growing crucible
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机译:用于蓝宝石单晶生长的坩埚,生长蓝宝石单晶的方法和制造蓝宝石单晶生长坩埚的方法
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摘要
The present invention addresses the problem of providing a crucible for growing a sapphire single crystal, the crucible being optimized for obtaining a sapphire single crystal. This sapphire single-crystal growth crucible (1) has a crucible-shaped base material (3) having molybdenum as a primary component thereof, and a coating layer (5) which is a plating layer provided to at least the internal periphery (3a) of the base material (3), the coating layer (5) comprising tungsten and unavoidable impurities and having an oxygen concentration of less than 0.1% by mass.
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