Lights that make coating presence or unevenness on thin film visible
Applications
Inspecting uneven coatings on films and glass
Inspecting laminated glass for irregularities
Inspecting wafer coatings for defects


We exhibited the LDF-NB Series demo at Vision China 2023 in Shanghai.
The demo is a comparison between the LNSD Series and LDF-NB Series.
Workpiece: Glass coating of a smartphone

The imaging result shows how the coating irregularities are visualized as interference fringes (circled in white).
