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Meanings and definitions for HASL
What does HASL stand for? What does HASL mean?
- HASL or hot air solder leveling is a type of finish used on printed circuit boards (PCBs).
- Hot Air Solder Leveled, Printed circuit boards are exposed to molten solder which will coat and protect the copper traces. The solder is then blown off with hot air so that the remaining solder coating is only a few thousandths of an inch thick.
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