Method and apparatus for securely supporting a growing crystal i

Details Method and apparatus for securely supporting a growing crystal i Method and apparatus for securely supporting a growing crystal i

1997-06-03

1999-08-03

Kunemund, Robert

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

Apparatus

For crystallization from liquid or supercritical state

117213, 117215, 117218, 117216, C30B 1530

Patent

active

059320079

ABSTRACT:
A puller apparatus for a Czochralski crystal puller system is provided which includes a primary puller chuck and a secondary puller chuck. The primary puller chuck is attached to a seed crystal. The secondary puller chuck is shaped to enclose and retain a portion of a growing crystal so that the growing crystal can be pulled by the secondary puller chuck.

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patent: 4916955 (1990-04-01), Katsuoka
patent: 5009865 (1991-04-01), Boden et al.
patent: 5074953 (1991-12-01), Shirata
patent: 5126113 (1992-06-01), Yamagishi
patent: 5335287 (1994-08-01), Athanas
patent: 5571320 (1996-11-01), Grimes et al.

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