Stress Imaging, via DIC
Stress Imaging, via DIC

Laser engraving on a cellphone chip, observed using differential interference contrast (DIC) microscopy in reflected light. The colors observed in the image are interference colors, with yellow, orange and red coincident with zones with residual stress. Image created using a 50x/0.8 objective.

—Jose Manuel Martinez Lopez, Quimica Tech, Chihuahua, Mexico

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