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IPC

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Application

4787064/26, 1990-01-30

(22)

Actual filing date

1990-01-30

(45)

Published

1996-10-27

(72)

Inventor

Peller V.V.Korchunov B.N.Kostygov A.S.

METHOD FOR CONTINUOUS PRODUCTION OF SHAPED CRYSTALLINE ARTICLES FROM MELT Russian patent published in 1996 - IPC

Abstract SU 1820638 A1

FIELD: growing of crystals. SUBSTANCE: method involves drawing articles from melt on seed crystal extending along drawing axis, with melt column adjacent to crystallization front being smoothly moved to drawing axis. Ratio of melt column speed of displacement in horizontal plane and seed crystal displacement speed is equal to or below 6. Articles of different shape are obtained by controlling process parameters. Refrigerant is supplied onto article surfaces. EFFECT: increased efficiency, wider operational capabilities by regulating cross section shape, length and thickness of articles, which may be made curved or straight. 6 cl, 7 dwg

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SU 1 820 638 A1

Authors

Peller V.V.

Korchunov B.N.

Kostygov A.S.

Dates

1996-10-27—Published

1990-01-30—Filed

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