How to choose a surface finish for a PCB

Every bare printed circuit board gets some sort of surface finish to protect the copper traces from oxidation until the board can be populated and soldered to create your finished PCB assembly. In this video we take a quick look at four of the most common lead-free surface finishes (HASL, Immersion Tin, Immersion Silver, ENIG) and when to use them.

[@logreira08]

Pretty good! it's hard to find a video or web page with such a concise, yet complete description of this topic.