Apparatus for the zone pulling of monocrystal rods

Details Apparatus for the zone pulling of monocrystal rods Apparatus for the zone pulling of monocrystal rods

1977-09-02

1980-08-19

Bernstein, Hiram H.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156DIG98, B01J 1711

Patent

active

042184240

ABSTRACT:
An apparatus for the zone drawing of monocrystal rods comprises a hermetically sealed housing having two rod holders movably disposed rotatably and vertically one over the other within the housing. A stationary high frequency heating system is disposed between the rod holders. Each rod holder comprises one transport slide, a sliding guide and a spindle drive disposed within the housing for the independent vertical movement of the rod holders and one drive for the rotation of the rod holders.

REFERENCES:
patent: 3030194 (1962-04-01), Emeis
patent: 3160478 (1964-12-01), Rummel
patent: 3291570 (1966-12-01), Michl
Brandes, J. of Scientific Instru., Oct., 1966, pp. 716 to 717.
Lawson, Preparation of Single Crystals, 1958, p. 67.
Bachmann, J of Cryst. Growth, vol. 18, #1, Jan. 1973, pp. 13 to 19.

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