25 Jul '16, 9am

Product Review: Sentech provides quality control for PERC back side processing in production

To make the quality control for PERC cells easier and more efficient, the SENperc system comes with recipe based push-button operation and industrial user interface. The PERC solar cell is placed with the deposited backside on the sample table. The wafers ID is entered and the measurement begins. No sample alignment is required. Thickness and refractive index are measured and saved to the SQL database. Statistical process control (SPC) is applied to evaluate the deposition process of the PERC solar cells. Preset ranges are applied for yield analysis. Direct and long-term feedback is provided to the operator for immediate intervention. The SQL database is permanently accessible locally as well as via LAN to support cell tracking and yield analysis.

Full article: http://www.pv-tech.org/products/product-review-sentech-pr...

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