Use of Plasma Deposition to Provide a Novel Surface Finish and Protective Coating for PCBs - (PPT)

摘要

1) You need to review your product's needs first to choose the proper surface finish. There is "no single finish that fits all": Consulting with your (OEM, CM-EMS is key). 2) Observation: US market tends to favor ImmAg (larger and thicker bds); EU tends to favor ImmSn (smaller and thinner boards); Handheld prefer OSP/ENIG (combi-finish); OSP are used in all product application areas.