Patent · US Active

Method and device for comminuting and sorting polysilicon

US8074905B2 · kind B2 · utility

10Cited by

9References

13Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Marcus Schaefer · Traunstein, DE
Reiner Pech · Vilshofen an der Donau, DE
Matthaeus Schantz · Simbach, DE

Key dates

Filing date	Mar 29, 2007
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Mar 15, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC30B29/06
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a device for comminuting and sorting polycrystalline silicon, comprising an instrument for feeding a coarse polysilicon fraction into a crushing system, the crushing system associated with a sorting system for classifying the polysilicon fraction, wherein the device is provided with a controller which allows variable adjustment of at least one crushing parameter in the crushing system and/or at least one sorting parameter in the sorting system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.