Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Crystallizer
Patent
1978-05-08
1981-03-24
Lutter, Frank W.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Crystallizer
156DIG98, 156620, 75 65ZM, C30B 108
Patent
active
042580099
ABSTRACT:
Apparatus for the float zone refining of large semiconductor crystals. Additional support in the form of lightweight pins is provided for the growing monocrystalline rod to hold the rod on the proper vertical axis. The pins protrude from the telescoping inner wall portion of the refining enclosure. This telescoping enclosure portion allows the pins to be in synchronous motion with the monocrystalline rod and also reduces the overall height of the apparatus.
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patent: 2712394 (1955-07-01), Koschatzky et al.
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patent: 3428436 (1969-02-01), Tucker
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patent: 3771780 (1973-11-01), Doocey
patent: 3897590 (1975-07-01), Gurs
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patent: 4116329 (1978-09-01), Garden
De Leon Noel
Jensen Erik H.
Knudsen Poul E.
Larsen Arno I. M.
Clements Gregory N.
Fisher John A.
Lutter Frank W.
Topsil A/S
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