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Trans. Nonferrous Met. Soc. China 22(2012) 2548-2553 Preparation, microstructure and dislocation of solar-grade multicrystalline silicon by directional solidification from metallurgical-grade... 2012 Abstract: A vacuum directional solidification with high temperature gradient was performed to prepare low cost solar-grade multicrystalline silicon (mc-Si) directly from metallurgical-grade mc-Si......
Impurities evaporation from metallurgical-grade silicon in electron beam melting processWANG Qiang, DONG Wei, TAN Yi, JIANG Dachuan, ZHANG Cong, and PENG Xu School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China摘 要:The purification of metallurgical-grade silicon (MG-Si) has been investigated during electron......
Boron removal from metallurgical-grade silicon by CaO–SiO2 slag refiningKui-Xian Wei1,Hai-Fei Lu1,Wen-Hui Ma1,2,Yan-Long Li1,Zhao Ding2,Ji-Jun Wu1,Yong-Nian Dai1,21. The National Engineering...="ChDivSummary" name="ChDivSummary">Boron removal from metallurgical-grade silicon(MG-Si) using CaO–SiO2 slag was studied by employing a medium-frequency electromagnetic induction furnace.The relationship......
Trans. Nonferrous Met. Soc. China 26(2016) 859-864 Redistribution of iron during directional solidification of metallurgical-grade silicon at low growth rate Chuan-hai GAN1 , Ming FANG2,3, Lei...; accepted 6 January 2016 Abstract: Redistribution of iron during directional solidification of metallurgical-grade silicon (MG-Si) was conducted at low growth rate. Concentrations of iron were examined......
Vacuum distillation refining of metallurgical grade silicon (Ⅰ)--Thermodynamics on removal of phosphorus from metallurgical grade silicon WEI Kui-xian(魏奎先)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian... September 2007 Abstract: The removal of impurity phosphorus from metallurgical grade silicon is one of the major problems on purification of metallurgical grade silicon for solar grade silicon preparation......
. Metal-liquating purification of metallurgical grade silicon (MG-Si), also called Si-recrystallization from metal liquid, was a potential energy-saving method for the removal of B and P efficiently... method; metallurgical purification process; tin-silicon system; solar grade silicon 1 Introduction With the rapid development of photovoltaic industry, the main feed stock for solar cell called solar......
Boron removal from metallurgical grade silicon by oxidizing refining WU Ji-jun(伍继君)1, MA Wen-hui(马文会)1, YANG Bin(杨 斌)1, DAI Yong-nian(戴永年)1, K. MORITA2 1. National Engineering Laboratory...; Abstract: A purification process was developed to remove impurity element boron from the metallurgical grade silicon by the electric arc......
. Purification of metallurgical-grade silicon up to solar grade[J]. Progress in Photovoltaics: Research and Applications, 2001(9): 203-209. [11] DETHLOFF C. Elkem solar AS[C]//The 2nd Solar Silicon...得广泛的关注,但目前其产品达不到太阳能级硅的质量要求.展望未来,西门子法仍将是生产高纯度多晶硅的主流技术. 关键词:太阳能级多晶硅；西门子法；硅烷；硅 中图分类号:O 613.72 文献标识码:A Development status and prospect of solar grade silicon production......
SILICON MICRO-TRENCH ETCHING USING HIGH-DENSITY PLASMA ETCHER H.C.Yu1,M.B. Chen1,J.M. Miao2,Z.G.Liu1,T.T. Sun1 (1.Physics Department of ShanghaiJiaotong University, Shanghai 200240, China;2.Micromachine Center, School of Mechanical and Production Engineering, Nanyang Technological University, 639798, Singapore) Abstract:Dry etching of silicon is an essential process step for the fabrication......
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