Polycrystalline silicon fragments and process for comminuting polycrystalline silicon rods

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United States of America Patent

PATENT NO 10876221
APP PUB NO 20160201223A1
SERIAL NO

14913541

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Abstract

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Comminuted polysilicon with reduced contamination is prepared using multi-step comminution employing comminution with comminution tools of differing tungsten carbide content and/or grain size.

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Patent Owner(s)

Patent OwnerAddress
WACKER CHEMIE AGHANNS-SEIDEL-PLATZ 4 MUNICH 81737

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gruebl, Peter Eichendorf, DE 8 36
Pech, Reiner Neuoetting, DE 21 172

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