Crystal holding apparatus

Details Crystal holding apparatus Crystal holding apparatus

1998-03-16

2000-04-25

Hiteshew, Felisa

Single-crystal, oriented-crystal, and epitaxy growth processes;

Apparatus

For crystallization from liquid or supercritical state

C30B 3500

Patent

active

060539755

ABSTRACT:
In a crystal holding apparatus, a corrugated portion between a seed crystal and a straight cylindrical portion of a monocrystal is held by holding portions of a lifting jig during a monocrystal growth process in which the seed crystal is brought into contact with material melt and is subsequently pulled while being rotated. In the crystal holding apparatus, an attachment member for establishing surface contact with the corrugated portion of the crystal is attached to the tip end of each holding portion of the lifting jig. Therefore, the monocrystal can be held reliably, so that the breaking and falling down of the monocrystal during the pulling operation can be prevented.

REFERENCES:
patent: 4190630 (1980-02-01), Apilat et al.
patent: 5126113 (1992-06-01), Yamagishi et al.
patent: 5196086 (1993-03-01), Kida et al.
patent: 5843229 (1998-12-01), Kimura et al.
patent: 5879449 (1999-03-01), Urang et al.
patent: 5882397 (1999-03-01), Iino et al.

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