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What's HASL PCB?

The full name of HASL is Hot air solder leveling. When we do custom pcb fabrication,we should choice the proper surface finsihed.HASL is also in electronic processing plants, a processing technology, said a little bit more simple is in the process of the circuit board processing board immersed in molten solder pool, which makes all exposed copper surface is covered with solder, and then use the hot air knife cutting tool will be removal of the excess solder on the PCB, to ensure appearance quality conform to the requirements of the processing, etc. To get a cheap pcb manufacturing,we can use HASL. HAODA Pcb under 0.1% Complaint Rate.

The advantages of HASL pcb
1. The humidity of components in the welding process is good, and it is easier to do SMT&Through-Hole Assembly.
2. It can avoid corrosion or oxidation of the exposed copper surface.
3, low cost pcb manufacturing surface process, maintain weldability throughout the manufacturing process, no negative impact on ICT.