Brief analysis of PCB board surface treatment process

I. PCB surface treatment Antioxidation, tin spray, lead-free tin spray, sink gold, sink tin, sink silver, hard gold plating, full board gold plating, gold finger, nickel palladium gold OSP: lower cost, good solderability, harsh storage conditions, short time, environmentally friendly process, good solder, flat. Spray tin: Spray tin boards are generally multi-layer (4-46 layers) high…