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flash testing

The weekend read: One side or two

Bifacial modules are here to stay. But even as manufacturers commit further capacities to two-sided module production spanning a whole range of technologies, there are still challenges to overcome, to fulfill predictions that bifacial will represent almost 40% of all modules produced inside the next decade. Flash testing conducted at the end of cell and module production presents one of these, and there is plenty of debate among equipment suppliers as to how this manufacturing stage should treat bifacial cells and modules.


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