Advantages of HASL
* ExcellentDisadvantages of HASL
* Low planarity on vertical levelers may make this surface finish unsuitable for use with fine pitch components. Improved planarity can be achieved using a horizontal leveler. * High thermal stress during the process may introduce defects into PCBSee also
* Electroless Nickel Immersion Gold (ENIG) * Immersion Silver (IAg) * Organic Solderability Preservative (OSP) *