发明名称 SEED CRYSTAL AND METHOD FOR PREPARING SINGLE CRYSTAL
摘要 There is provided a seed crystal having a strength that the seed crystal is not broken even when the heavy single crystal is produced. The seed crystal is a seed crystal used for producing a single crystal according to Czochralski method wherein a relation between a sectional area of the seed crystal S (mm<2>) and a weight W (kg) of the single crystal to be pulled is represented by the formula: S>W. The single crystal is produced using the seed crystal. Furthermore, the single crystal is pulled with conforming a sectional area S (mm<2>) of a seed crystal and a weight W (kg) of a single crystal to be pulled to the formula: S>W. <IMAGE>
申请公布号 EP1029956(A4) 申请公布日期 2002.05.08
申请号 EP19990933236 申请日期 1999.08.03
申请人 SHIN-ETSU HANDOTAI CO., LTD 发明人 IINO, EIICHI
分类号 C30B15/36;C30B29/06 主分类号 C30B15/36
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