Fluorescence Inspection of Code Marking
A UV light and monochrome camera is used to illuminate a black ink cartridge with a blue code marking. Using a MidOpt® BP470 Blue Bandpass Filter only the emission from the blue ink code is captured and all other light blocked, creating sufficient contrast.
Application
Fluorescence Inspection of Code Marking
A UV light is used with a monochrome camera and blue bandpass filter in order to improve contrast of a blue code printed on a black ink cartridge …