Cell sorting at the end of the line is mandatory for high-value modules of homogenous color. 

The CELL-Q inline inspection system checks the front or back of solar cells and sorts them into different color and quality classes according to their optical properties. In a single inspection step, CELL-Q checks every solar cell's print quality and anti-reflection coating.

Any print and color defects on all cell technologies are reliably detected. Additionally, CELL-Q identifies visible surface and contour defects to ensure that only homogeneous cells regarding color and performance are processed within one module.

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