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US09935216B2 Wafer for solar cell, method of producing wafer for solar cell, method of producing solar cell, and method of producing solar cell module 有权

Wafer for solar cell, method of producing wafer for solar cell, method of producing solar cell, and method of producing solar cell module
Abstract:
Provided is a wafer for solar cell which can be produced using a polycrystalline semiconductor wafer cut out using a bonded abrasive wire, which wafer can be used for manufacturing a solar cell with high conversion efficiency.In a wafer for solar cell before acid texturing of the present invention, produced from a polycrystalline semiconductor wafer cut out using a bonded abrasive wire, an amorphous layer does not exist, and irregularities caused due to the cutting using the bonded abrasive wire are left in at least one surface of the wafer for solar cell.
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