The SCHMID Group has delivered its first TinPad system for volume production to an unidentified customer.
The TinPad technology, which is under license from SCHOTT Solar places tin contacts on a full-faced aluminium coated solar cells back surface.
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The displacement of silver contacts reduces costs by a claimed €0.03 cents per cell, yet the closed backside layer aimed to improve rear side passivation, is said to lead to a 0.2% increase in overall cell efficiency.
