LUMI-Q Coating

Photoluminescence inspection for solar cells

Higher solar cell efficiency with pre- and post-coating PL inspection

Photoluminescence (PL) inspection stimulates photon emission by illuminating cells with specific wavelengths, revealing critical information about material integrity and electrical properties. LUMI-Q Coating is a photoluminescence inspection system designed for pre- and post-coating inspection. It automatically detects all relevant defects that have a negative impact on cell efficiency. LUMI-Q Coating can be integrated into existing systems without any additional footprint.

Lumi-Q Coating solutions are powered by GP Solar.

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  • Photoluminescence inspection for pre- and post coating
  • Laser-free – reduced safety requirements
  • Detection of material defects: Microcracks, impurities, crystal defects
  • Detection of coating defects: Scratches, stains, passivation defects
  • Seamless integration into standard handling equipment
  • Full support for Connected PV 4.0: Central recipe management and comprehensive data reporting

Discover the applications for LUMI-Q Coating

Wafer & Cell

Ensure cost-effective and high-quality solar wafer and cell production with ISRA VISION's inspection and monitoring solutions.
ISRA GP cell inspection

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  • Solution consulting
  • Software and accessories
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  • Training of your staff


Phone: +49 (6151) 948-0

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