| 发明名称 |
Dust-free and pore-free, high-purity granulated polysilicon |
| 摘要 |
A polycrystalline granulated silicon is made of particles which have a density of greater than 99.9% of the theoretical solid density and therefore have a pore content of less than 0.1% and have a surface roughness Ra of less than 150 nm.
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| 申请公布号 |
US7708828(B2) |
申请公布日期 |
2010.05.04 |
| 申请号 |
US20040010525 |
申请日期 |
2004.12.13 |
| 申请人 |
WACKER-CHEMIE GMBH |
发明人 |
WEIDHAUS DIETER;CROESSMANN IVO;SCHREIEDER FRANZ |
| 分类号 |
C01B33/02;C01B33/03;B29C41/24;B29C43/22;B29D7/01;C01B33/021;C01B33/027;C30B21/06;C30B27/02;C30B28/10 |
主分类号 |
C01B33/02 |
| 代理机构 |
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代理人 |
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