TECHNICAL SCHEME

Projects under Research Solution Cases

Wrap-around Poly Removal Technology

The purpose of Wrap-around poly removal technology is applied to remove the polysilicon of the production of TOPCon cell

  1. Can remove wrap-around polysilicon completely, no color difference, so can realize higher cell appearance yield.

  2. Good protection for PN junction y.on the front side to have good efficiency.

  3. Alkali treatment with no Nitrogen, good for environment.


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