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NIR Microscope

Evaluation video :
Comparison of pattern of silicon wafer from back side 
(1100nm vs 1300nm vs 1550nm)
This video shows pattern of silicon wafer from back side.
*0sec: Back side Surface of silicon wafer
*7sec : 1100nm’s pattern image
*16sec : 1100nm’s pattern image after doing image processing.
*27sec : 1300nm’s pattern image
*38sec : 1550nm’s pattern image



Comparison images of silicon wafer from back side

(1100nm vs 1300nm vs 1450nm vs 1550nm)

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