The Printed Film Appearance Inspection Machine is designed for inspecting the surface appearance of printed films after the printing process. Specifically, this inspection equipment is applied to the online appearance detection of electrode screen-printed films at the post-casting stage.

 

In the MLCC (Multilayer Ceramic Capacitor) production process, electrodes are printed onto the films after casting, and the integrity of electrode patterns is a critical quality indicator. The system captures images of the printed electrodes using a high-definition camera, specialized light source, and precision lens. The acquired images are then processed via either traditional algorithms or AI deep learning software to identify electrode defects, including white spots, black spots, jagged edges, white patches, burrs, smudges, incomplete printing, deformation, protrusions, and depressions.

 

This production section is independently equipped with an online pinhole detector, which operates on the principle of the camera obscura to detect micro pinholes smaller than the system resolution. Through standard part calibration and XY coordinate algorithm compensation, the software corrects dimensional recognition deviations, achieving an inspection accuracy of 10 μm.