Surface Finish

What is Hot Air Solder Leveling (HASL)

Hot Air Solder Leveling, abbreviated as HASL, is one of the surface finish processes of printed circuit boards. Hot Air Solder Leveling is also the most popular type of PCB surface finish.

What Is PCB OSP Surface Finish?

OSP refers to Organic Solderability Preservative. It is the leading PCB surface finishing coating option used by the PCB industry for protecting Copper surfaces and its features that are exposed from oxidation before the PCB is populated.

The Difference Between Gold Plating and Immersion Gold

Gold has a commendable resistance to corrosion and oxidation. If a PCB has a surface finish of gold, it will last for a long time, and the copper underneath the surface finish will remain intact and sound.

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