Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 um and 300um and use of the same

The invention relates to a method and a device for producing globular grains of high-purity silicon by atomising a silicon melt (6) in an ultrasonic field (10). Globular grains having a grain size of 50 mum can be produced by means of said method and device and can be used to separate high-purity si...

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Bibliographische Detailangaben
Hauptverfasser:	KRAUTER UDO, SCHRECKENBERG PETER, BLOCK HANS-DIETER
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method and a device for producing globular grains of high-purity silicon by atomising a silicon melt (6) in an ultrasonic field (10). Globular grains having a grain size of 50 mum can be produced by means of said method and device and can be used to separate high-purity silicon from silane in the fluid bed. The silicon melt (6) is fed into the ultrasonic field (10) at a distance of