In Printed Circuit Board (PCB) manufacturing, surface finishing processes are critical in ensuring electronic components' reliability, durability, and solderability. One widely used surface finish is HASL, which stands for Hot Air Solder Leveling. Viasion Technology, a leader in electronic manufacturing services (EMS), provides valuable insights into HASL and its importance in PCB ass... https://www.viasion.com/blog/understanding-hasl-pcb-finish/