专利名称：VITREOUS SILICA CRUCIBLE发明人：Toshiaki SUDO,Tadahiro SATO,Ken
KITAHARA,Eriko KITAHARA
申请号：US14901036申请日：20130630
公开号：US20160201216A1公开日：20160714
专利附图：
摘要：A vitreous silica crucible includes: a substantially cylindrical straight bodyportion having an opening on a top end and extending in a vertical direction; a curvedbottom portion; and a corner portion connecting the straight body portion with the
bottom portion and a curvature of which is greater than that of the bottom portion,wherein an inner surface of the crucible has a concavo-convex structure in which groove-shaped valleys are interposed between ridges, and an average interval of the ridges is 5-100 μm.
申请人：SUMCO CORPORATION
地址：Minato-ku, Tokyo JP
国籍：JP
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