PCB Red Dye Penetration Test: Definition, Process, and Applications
1. Introduction Printed Circuit Boards (PCBs) are essential components in modern electronic devices, ensuring proper electrical connections between components. However, defects such as micro-cracks, poor solder joints, or hidden fractures can lead to intermittent failures or complete malfunctions. To detect these flaws, the Red Dye Penetration Test (Red Dye Test or Red Ink Test) is…















