Breakage Reduction

Resonance Ultrasonic vibrations (RUV) methodology was developed and applied to access mechanical quality of crystalline silicon wafers and solar cells. RUV approach is based on fast non-destructive measurement of specific resonance vibration mode generated in the tested object using external ultrasonic transducer. Crack introduced into the object alters the resonance properties of the mode and allows sensitive diagnostics of the crack appearance. The paper describes our recent results of applying RUV method at industrial environment with objective to reduce a breakage rate in solar cell and solar module lines.

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