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サファイア単結晶育成用坩堝、サファイア単結晶育成方法およびサファイア単結晶育成用坩堝の製造方法
专利权人:
株式会社アライドマテリアル
发明人:
角倉 孝典,森川 達矢,瀧田 朋広,西野 成恒
申请号:
JP20140004058
公开号:
JP6258040(B2)
申请日:
2014.01.14
申请国别(地区):
日本
年份:
2018
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide a crucible for sapphire single crystal growth, optimized in order to obtain a sapphire single crystal.SOLUTION: A crucible 100 for sapphire single crystal growth has a first layer 1 including Mo as a principal component and having a crucible shape and a second layer 2 provided in the inner periphery of the first layer 1 and including W as a principal component. The first layer 1 and the second layer 2 have a laminated structure. The first layer has a structure in which at least one kind of elements of Ti, Y, Zr, Hf, V, Nb, Ta, La, Ce and Nd is dissolved in Mo; at least one kind of carbide particles, oxide particles, nitride particles and boride particles of the element is dispersed in the Mo; or some of the elements are dissolved in the Mo and the remainder consisting of the carbide particles, the oxide particles, nitride particles and boride particles is dispersed in the Mo. A total content of Ti, Y, Zr, Hf, V, Nb, Ta, La, Ce and Nd is 0.1 mass% or more and 5.0 mass% or less,
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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