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专利名称：Composite crucible and method of
manufacturing the same
发明人：Toshiaki Sudo,Ken Kitahara,Takuma Yoshioka申请号：US13335778申请日：20111222公开号：US09266763B2公开日：20160223
专利附图：
摘要：The purpose of the present invention is to provide a crucible which has highviscosity at high temperature, can be used for a long time, and can be manufactured atlow cost, and a method of manufacturing the crucible. The present invention provides a
composite crucible including a vitreous silica crucible body having a sidewall portion and abottom portion, and a reinforcement layer provided on an outer surface side of an upperend portion of the vitreous silica crucible body, wherein the reinforcement layer is madeof mullite material whose main component is alumina and silica.
申请人：Toshiaki Sudo,Ken Kitahara,Takuma Yoshioka
地址：Akita JP,Akita JP,Akita JP
国籍：JP,JP,JP
代理机构：Law Office of Katsuhiro Arai
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