Apparatus for practicing temperature gradient zone melting

Details Apparatus for practicing temperature gradient zone melting Apparatus for practicing temperature gradient zone melting

1978-06-21

1980-09-23

Goldberg, Elliot A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219354, 219405, 219411, 432120, 432231, B25J 1506, F27B 906

Patent

active

042245044

ABSTRACT:
An apparatus for practicing temperature gradient zone melting simultaneously on a plurality of semiconductor bodies comprises a closable work chamber for receiving the bodies for processing; a heat source disposed in the work chamber and comprising a first closure member thereof; a heat sink disposed in the work chamber and comprising a second closure member thereof and means for transferring one or more bodies of semiconductor material to the work chamber for processing and from the work chamber subsequent to processing. The transferring means comprises manipulative means for selectively engaging the semiconductor bodies and supporting the bodies in transit and drive means for moving the manipulative means toward and away from the work chamber and orienting the manipulative means with respect to the semiconductor bodies.

REFERENCES:
patent: 2881929 (1959-04-01), Giffen
patent: 3209923 (1965-10-01), Bargel et al.
patent: 3476632 (1969-11-01), Cornelius
patent: 3666907 (1972-05-01), Nugent et al.
patent: 3891205 (1975-06-01), Sunahara et al.
patent: 4002246 (1977-01-01), Brandt et al.
patent: 4097226 (1978-06-01), Erikson et al.

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