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Form and surface measuring instruments

AudioDev

  • Surface measuring system

Helios LAB-rc

Article: 00054406

Surface measuring system

Texture and Coating Control of Solar Cells
Total Reflectance, Color and Layer Thickness of Coated and Uncoated Silicon Solar Wafers

The surface texturing of crystalline solar cells plays an important role to achieve high solar cell efficiencies. The texturing reduces reflectivity losses significantly and has a strong impact on the passivation of the cell. In addition to the texturing process step itself, the quality of the silicon material and the wafer sawing process have impact on the texture. Therefore, it is essential to gain detailed knowledge of the texturing. This knowledge and process control can be achieved by precise measurement of the total reflectance of the textured cells. AudioDev's Helios LAB-rc is the perfect tool to measure, analyze and optimize the widely used chemical texturing processes. It measures the total reflectance of bare and coated solar wafers, as well as the color and layer thickness of coated solar wafers.

Specifications

  • Measured physical value: surface

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