Thanks to the ability of ultrasonic to destroy the oxide film, Changzhou Wellsin-Semi Equipment Co., Ltd. can provide a cost-effective solution for the new generation of double-sided PERC technology:
◆ Tinned aluminum strip replaces tinned copper strip, reducing the amount of copper.
◆ Direct low-temperature soldering of the ribbon and photovoltaic back/front, reducing the amount of silver paste.
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