ANORDNING FOER FRAMSTAELLNING AV KISELENKRISTALLER.

摘要

In a silicon single crystal manufacturing apparatus of the type which continuously feeds starting material, a metallic heat keeping plate (17) is arranged to cover a partition member (11) dividing molten silicon (4) into a single crystal growing section (A) and a material melting section (B) within a quartz crucible (1) and an upper side of the material melting section. The metallic heat keeping plate (17) is provided for the purpose of preventing the occurrence of solidification of the molten silicon (4) on the inner side of the partition member and preventing excessive cooling of a silicon single crystal. The metallic heat keeping plate (17) has a thickness of 3mm or less and its material is tantalum or molybdenum. Further, the heat keeping plate (17) includes a straight body portion formed with a plurality of openings (20) for adjusting the temperature of the single crystal.