HIT Juction wire

By artificially changing the angle of the reflective surface, the incident angle and the reflection angle can reach the angle we need. Through multiple illumination experiments, it was confirmed that the incident angle was 30°, so that the light incident on the groove of the ribbon was reflected on the glass, and formed a total reflection angle of 60° on the lower surface of the glass, which was reflected to the surface of the cell again.
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