A pulverization method of a multi-crystalline material silicon fragment and a multi-crystalline material silicon rod

Title:

A pulverization method of a multi-crystalline material silicon fragment and a multi-crystalline material silicon rod

Document Type and Number:

Japanese Patent JP6154074

Kind Code:

B2

Abstract:

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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Inventors:

Liner, pew
Peter, Gruble

Application Number:

JP2016535401A

Publication Date:

June 28, 2017

Filing Date:

August 07, 2014

Export Citation:

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Assignee:

Wacker Chemie AG

International Classes:

C01B33/02; B02C1/02; B02C4/30; B02C17/20; B02C17/22; C01B32/949

Domestic Patent References:

JP2006192423A
JP2006122902A
JP2004161595A
JP10015422A
JP3181772U

Foreign References:

US20110068206
US20110253823

Attorney, Agent or Firm:

Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Mari Asano
Kazuma Kojima

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