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).
