Hot Air Solder Leveling (HASL finish) has long been a reliable PCB surface finish, still used today in military, aerospace, medical, and other applications. So what concerns do manufacturers have, and is lead free HASL your best option?
HASL VS ENIG 10 Tips on How to Choose Enig Plating
Types Of PCB Surface Finish That Are Important With Pros/Cons
HASL vs ENIG Surface Finishes: Understanding the difference
Why Is Lead Free HASL Finish A Hassle?
Printed Circuit Board Surface Finishes - Advantages and Disadvantages
ENEPIG Printed Circuit Board Surface Finish
Fiducials, Testers, Solder Resist, HASL, And ENIG In PCB
How About the Environment of HASL Finish PCB?
What's the Difference Between HASL and HASL Lead-free in PCB? - RAYPCB
ENIG VS HASL In PCB Fabrication - Jhdpcb