FEED TOOL FOR SHIELDING A PORTION OF A CRYSTAL PULLER
摘要
<p>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.</p>
申请公布号
WO2012154449(A1)
申请公布日期
2012.11.15
申请号
WO2012US35971
申请日期
2012.05.01
申请人
MEMC SINGAPORE PTE, LTD.;MEYER, BENJAMIN MICHAEL;SREEDHARAMURTHY, HARIPRASAD;KIMBEL, STEVEN LAWRENCE
发明人
MEYER, BENJAMIN MICHAEL;SREEDHARAMURTHY, HARIPRASAD;KIMBEL, STEVEN LAWRENCE