Azitech Technical Update: Choosing the Best PCB Surface Finish

Azitech’s technical update explains why PCB surface finishes matter and compares ENIG, OSP, Immersion Silver, ENEPIG, and LF-HASL. Learn the pros/cons of each finish and key selection criteria to prevent copper oxidation and ensure reliable solder joints. Here’s the thing: exposed copper on a PCB oxidizes almost instantly when it hits air. That oxidation? It […]