Plastic and nonmetallic article shaping or treating: processes – Gas or vapor deposition of article forming material onto...
Patent
1973-11-19
1976-09-07
Arnold, Donald J.
Plastic and nonmetallic article shaping or treating: processes
Gas or vapor deposition of article forming material onto...
427 91, B01J 1730, B01J 1732
Patent
active
039794903
ABSTRACT:
For the manufacture of tubular bodies of semiconductor material, particularly of silicon, by the precipitation of a layer in the form of a hollow cylinder on a rod or tube-shaped, electrically heated carrier in a reaction gas suitable for the deposition of the semiconductor in question, with subsequent separation of the semiconductor layer from the carrier, the carrier is differentially heated in such a manner that the generated hollow-cylinder layer is given an annular, bead-like reinforcement; the separation of the tube obtained into parts is achieved by a cut made within the reinforcement.
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Dietze Wolfgang
Kasper Andreas
Reuschel Konrad
Arnold Donald J.
Lerner Herbert L.
Siemens Aktiengesellschaft
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