LUMI-Q String is an inspection system capable of detecting both electrical/material and geometric defects on solar strings. Using a laser-free and contactless method, it guarantees comprehensive defect identification and classification, even for the most complex cell structures with the smallest finger and busbar widths. LUMI-Q String integrates seamlessly into the stringer outlet without requiring additional space, making it retrofittable. With its fast measurement speed and robust data management capabilities, LUMI-Q String improves module manufacturing and ensures unparalleled module quality and efficiency.

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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Homogeneous color and coating are a prerequisite for homogeneous modules.

Color and defect inspection with COL-Q immediately after the coating process ensures fast intervention in the case of color deviations. CELL-Q checks the color and coating quality during the final inspection and sorts the cells into different performance classes based on their optical properties.

Flawless plating improves conductivity and increases the efficiency of the solar cell. Careful quality control and monitoring are essential to ensure solar cells are uniformly plated. Manufacturers must quickly identify inhomogeneities, surface adhesion problems, and contaminations before affecting quality. This ensures high durability and prevents efficiency loss.

To be an industry leader in the production of photovoltaic cells, companies must offer more than impeccable product quality: Perfectly coordinated processes across systems, production lines, and factories are the basis for maximum profitability, reliability, and short downtimes.

To achieve this, we have developed Connected Photovoltaics 4.0. This cloud-based software solution connects inspection systems, enabling consistent quality settings across all production facilities. It creates transparency, improves process control, and increases the profitability of PV production sites.

With its software features, Connected PV 4.0 meets the key challenges of PV manufacturing.