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: 1059-1066. [19] KIM D L, KIM T K. Characteristics of structural defects in the 240 kg silicon ingot grown by directional solidification process [J]. Sol Energy Mater Sol Cells, 2006, 90(11): 1666-1672... Trans. Nonferrous Met. Soc. China 22(2012) 2548-2553 Preparation, microstructure and dislocation of solar-grade multicrystalline silicon by directional solidification from metallurgical-grade......
Influence of rapid thermal process on intrinsic gettering in fast neutron irradiated Czochralski silicon CHEN Gui-feng(陈贵锋)1, LI Yang-xian(李养贤)1, LI Xing-hua(李兴华)1, CAI Li-li(蔡莉莉)1,MA Qiao-yun(马巧... Czochralski (CZ) silicon. The effect of RTP conditions on bulk microdefects (BMDs) and denuded zone (DZ) was investigated. Fourier transform infrared absorption spectrometer (FTIR) was used to measure......
concentration in the silicon ingot. The application of a magnetic field is an especially effective way to moderate and to control the melt flow since the silicon melt is an electrically conductive liquid... Manipulation of space charge in silicon by intentionalthermal donor activation E. TUOVINEN, J. H?RK?NEN, P. LUUKKA, E. TUOMINEN Helsinki Institute of Physics, University of Helsinki......
Low-temperature purification process of metallurgical silicon ZHAO Li-xin1, 2, WANG Zhi1, GUO Zhan-cheng1, 3, LI Cheng-yi4 1. National Engineering Laboratory for Hydrometallurgical Cleaner.... 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......
NUMERICAL SIMULATION OF MACRO-SEGREGATION IN STEEL INGOT DURING SOLIDIFICATION H.F.Shen1,B.C.Liu1,T.Y.Huang1,C.W.Ma1 (1.Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China) Abstract:A mathematical model coupling the momentum, energy and species conservation equations was proposed to calculate the macro-segregation of Fe-C alloy ingot during solidification......
on the macrosegregation of boron in vacuum melting pouring ingot of GH901 alloy [J]. Special Steel Technology, 2006, 12(48): 5-13. [8] TEIXEIRA LEANDRO A V, MORITA K. Thermo-dynamics of boron removal from molten silicon... 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......
Rapid recovery of polycrystalline silicon from kerf loss slurry using double-layer organic solvent sedimentation methodPeng-fei Xing1,Jing Guo1,2,Yan-xin Zhuang1,3,Feng Li1,Gan-feng Tu11. School...:The rapid development of photovoltaic(PV)industries has led to a shortage of silicon feedstock.However,more than 40%silicon goes into slurry wastes due......
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......
applications [9,10]. Today, the main silumin ingot production method is crystalline silicon dissolution in the aluminium melt in aluminium smelters. The main advantage of this method is its high...Trans. Nonferrous Met. Soc. China 30(2020) 1406-1418 Possibilities and prospects for producing silumins with different silicon contents using amorphous microsilica M. P. KUZ′MIN1, M. Yu. KUZ′MINA1, P......