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发明名称
碳化矽之结晶成长方法;METHOD FOR GROWING SILICON CARBIDE CRYSTAL
摘要
本发明为在藉由熔液法之碳化矽之结晶成长方法中,使用以SiC为主成分的坩埚来作为Si-C熔液之收容部。加热该SiC坩埚(例如,使坩埚内的等温线形成向下侧呈凸出之温度分布),使以该坩埚的主成分之SiC为来源的Si及C,从与Si-C熔液接触的坩埚表面的高温领域溶出至Si-C熔液内,以抑制在与Si-C熔液接触的坩埚表面的SiC多晶之析出。使SiC种晶从坩埚之上部接触于如此般状态的Si-C熔液,使SiC单晶于该SiC种晶上成长。藉由使用以SiC为主成分的坩埚,S-C熔液之组成变动为少,亦可抑制于坩埚内壁析出的多晶、或添加金属元素M及碳C结合所形成的金属碳化物之产生。
申请公布号
TW201529913
申请公布日期
2015.08.01
申请号
TW103142174
申请日期
2014.12.04
申请人
信越化学工业股份有限公司 SHIN-ETSU CHEMICAL CO., LTD.
发明人
新谷尙史 SHINYA, NAOFUMI;滨口优 HAMAGUCHI, YU;山形则男 YAMAGATA, NORIO;美浓轮武久 MINOWA, TAKEHISA
分类号
C30B29/36(2006.01);C30B11/14(2006.01)
主分类号
C30B29/36(2006.01)
代理机构
代理人
林志刚
主权项
地址
日本 JP
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