Magnetic field generation

Details Magnetic field generation Magnetic field generation

1997-03-31

1999-02-09

Kunemund, Robert

Single-crystal, oriented-crystal, and epitaxy growth processes;

Processes of growth from liquid or supercritical state

Having pulling during growth

117208, 117917, C30B 1520

Patent

active

058688323

ABSTRACT:
Magnetic field generating apparatus comprises a pair of axially spaced coils which are so arranged that when energized, they produce a magnetic field which has a zero axial field or substantially zero axial field at an axial position midway between the coils. The annular space between the coils is filled with a material such as steel or steel with a layer of material magnetized in the radial direction, which enhances the radial field strength generated by the coils. The apparatus as application in the growth of single crystals of semiconductor material.

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Patent Abstract of Japanese Patent Appl. 01-239081, vol. 013, No. 575 (C-667), Dec. 19, 1989.

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