Device for lifting crystal bodies

Details Device for lifting crystal bodies Device for lifting crystal bodies

1998-02-03

1999-01-12

Kunemund, Robert

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

Apparatus

For crystallization from liquid or supercritical state

117 14, 117201, 117202, C30B 1530

Patent

active

058580883

ABSTRACT:
The winding drum of the cable-winding device is kept air-tight by an air-tight container. A lower elastic sealing member 1a is interposed between the air-tight container and the rotation table. The air-tight container, the lower elastic sealing member 1a, and the chamber are communicated with one another. The air-tight container and the chamber are filled with inert gases at less than atmospheric pressure. The rotation table, the weight sensors, the drive motor, the gear are disposed in the atmosphere. An arm is vertically installed on the rotation table. An upper elastic sealing member 1b is interposed between the end portion of the arm and the air-tight container. The upper elastic sealing member is communicated the interior of the air-tight container through a through hole. The arm support the top portion of the upper elastic sealing member.

REFERENCES:
patent: 4663128 (1987-05-01), Helgeland et al.
patent: 4916955 (1990-04-01), Katsuoka et al.
patent: 5254319 (1993-10-01), Oda et al.

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