Journal
PROGRESS IN PHOTOVOLTAICS
Volume 18, Issue 8, Pages 563-572Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/pip.972
Keywords
wire-sawing; silicon; wafer
Funding
- Swiss Confederation's Innovation Promotion Agency [7730.2 NMPP-NM]
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Silicon wafer wire-sawing experiments were realized with different sets of sawing parameters, and the thickness, roughness, and cracks depth of the wafers were measured. The results are discussed in relation to assumptions underlying the rolling-indenting model, which describes the process. It was also found that the silicon surface at the bottom of the sawing groove is different from the wafer surface, implying different sawing conditions in the two positions. Furthermore, the measured parameters were found to vary along the wire direction, between the entrance of the wire in the ingot and its exit. Based on these observations, some improvements for the wire-sawing model are discussed. Copyright (C) 2010 John Wiley & Sons, Ltd.
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