Graphite clamping petal

• Main Authors: YIN BO, CHEN WENYUE, WANG LICHUN, WANG WEN, SONG GAOJIE, JIN JING
• Format: Patent
• Language: Chinese; English
• Published: 13.04.2011
• Subjects: AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR; CHEMISTRY; CRYSTAL GROWTH; METALLURGY; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE; REFINING BY ZONE-MELTING OF MATERIAL; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE; SINGLE-CRYSTAL-GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL

The utility model discloses a graphite clamping petal comprising a cylinder, an electrode slot is arranged in one end of the cylinder; and the graphite clamping petal further comprises a circular platform integrated with the cylinder, the circular platform is positioned at the end opposite to the end provided with the electrode slot in the cylinder, the large diameter end of the circular platform is connected with the cylinder, the circular platform is provided with a cross-shaped opening which extends the large diameter end from the small diameter end, the circular platform is further provided with a cavity, the axis of the cavity is coincided to that of the cylinder, the conicity of the cavity is opposite to that of the circular platform, and a through hole is arranged between the electrode slot and the cavity. The graphite clamping petal has the benefits that silicon core can not fall, silicon is easy to grow after material is fed in, the structure is simple, the operation is convenient and the running is