发明名称 |
Feed tool for shielding a portion of a crystal puller |
摘要 |
A crystal puller for melting silicon and forming a single crystal ingot and a feed tool for shielding a portion of the crystal puller during charging of the crystal puller are disclosed herein. The crystal puller includes a crucible for containing molten silicon. The feed tool includes a cylinder and a plate. The cylinder has an inner surface and an annular ledge formed in a portion of the inner surface. The cylinder has a diameter at the annular ledge that is less than a diameter of the cylinder at the inner surface. The plate is positioned on the annular ledge and includes a first section separate from a second section. The first section and the second section are operable to move laterally with respect to each other. The plate has a central opening formed in at least one of the first section and the second section. |
申请公布号 |
US8691013(B2) |
申请公布日期 |
2014.04.08 |
申请号 |
US201113103554 |
申请日期 |
2011.05.09 |
申请人 |
MEYER BENJAMIN MICHAEL;SREEDHARAMURTHY HARIPRASAD;KIMBEL STEVEN LAWRENCE;MEMC SINGAPORE PTE LTD |
发明人 |
MEYER BENJAMIN MICHAEL;SREEDHARAMURTHY HARIPRASAD;KIMBEL STEVEN LAWRENCE |
分类号 |
C30B15/14;C30B15/00;C30B15/02;C30B15/20 |
主分类号 |
C30B15/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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