Camera Allows Automatic, Camera-based Quality Inspection

The various types of solar cells can differ significantly in terms of size, shape, color or imprint. Automated quality inspection of dif-ferent types of solar cell therefore put high demands on the flex-ibility of the inspection system. Each characteristic of the object to be inspected is taught-in by the default software so that it can be identified with certainty in quality control. Most types of solar cells are taught-in to cell inspection systems which carry out inspec-tions on the cells in module production. Over 60 module and cell manufacturers all over the world already count on the reliable quality inspection from Vitronic.

Vinspecsolar solutions allow the automated in-line quality inspection of wafers, solar cells and complete modules. In this, the high-performance camera systems reliably detect defects such as micro cracks, corner and edge breakages, print defects and color defects. They ensure that only flawless solar cells are processed into modules, reduce the rejection quota and trigger other processes such as automated sorting by color classes or into A and B quality. This makes time and cost-intensive inspection and handling processes a thing of the past. Moreover automatic inspections are much more robust and secure. Major customers attest quality sorting of about 99.8 percent.

Another advantage: the data collected during the quality inspection can also be used to optimize the processes themselves. For example, they provide information on where optimization is needed in the process chain.