Seed-crystal holder for single-crystal pulling devices with magn

Details Seed-crystal holder for single-crystal pulling devices with magn Seed-crystal holder for single-crystal pulling devices with magn

1997-12-08

1999-12-07

Hiteshew, Felisa

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

Apparatus

For crystallization from liquid or supercritical state

117 30, 117 32, 117917, C30B 3500

Patent

active

059976411

ABSTRACT:
The hold member has a small-diameter portion and a large-diameter portion. An inner cylinder and an outer cylinder are disposed around the hold member in a concentric manner. The upper end of the hold member is affixed to a wire and suspended therefrom. A clearance is formed between the small-diameter portion and the inner cylinder. Clearances are created between the outer peripheral surface of the inner cylinder and the inner peripheral surface of the outer cylinder.

REFERENCES:
patent: 3819421 (1974-06-01), Merkeh et al.
patent: 4201746 (1980-05-01), Burd et al.
patent: 5797990 (1998-08-01), Li
patent: 5827366 (1998-10-01), Watanabe

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