Imagineering, Inc. | https://www.pcbnet.com/blog/everything-you-need-to-know-about-pcb-finish/
: nickel and gold, and hot air solder leveling (HASL). Today, dozens of options for PCB finishes are available, each with their own benefits for different applications
Surface Mount Technology Association (SMTA) | https://www.smta.org/certification/recertification.cfm
. James Hall are divided into 11 modules each with slides and a quiz on the following updated topics: PCB Basics and Surface Finishes like HASL and ENIG Surface Finishes like OSP, Immersion Tin, Immersion Silver Paste, stencils, printing and how they are interrelated Component placement with a focus
Imagineering, Inc. | https://www.pcbnet.com/blog/understanding-the-pcb-fabrication-process-from-design-to-delivery/
. Using gold and palladium also makes ENEPIG an expensive option for a finish. Standard hot air solder leveling (HASL) is cost-effective, long-lasting, and reworkable
Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/journal.cfm
, David Braun Abstract 22-2 EFFECTS OF STORAGE PROCEDURES AND BAKE OUT ON THE SOLDERABILITY OF IMMERSION SILVER-COATED PRINTED CIRCUIT BOARDS Paul Vianco, et al. Abstract 22-1 A CASE STUDY FOR TRANSITIONING CLASS A SERVER MOTHERBOARDS TO LEAD-FREE R
Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc
. Immersion silver surface finish eliminated due to corrosion risk Alternative finish must meet ICT and solderability requirements Investigate several alternatives (OSP, ImSn, ENIG, and LF HASL) PCB laminate may change from what was used on DT and NB products
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