What is the HASL process in PCB?

Over the years, the HASL process has undergone significant developments, making it one of the most preferred finishing techniques in PCB manufacturing. To understand this process in depth, we spoke with industry experts and manufacturers who routinely employ the method.

One of the advantages of the HASL process, according to industry experts, is its versatility in coating different types of circuit boards. Whether it is aluminum, copper, or any other material, the HASL process can provide a uniformly smooth finish that improves the functionality and longevity of the circuit board.

Moreover, another important aspect of the HASL process is that it helps to protect the board from corrosion and damage. By covering the surface of the board with a layer of solder, it prevents oxidation and prolongs the lifespan of the circuit board.