Backplane Industry Finds Immersion Tin is Cleaner, Flatter, and 3x Faster - and Ideally Suited for Press Fit Connectors

摘要

Two years ago, a Uyemura ENIG customer complained about the "inferior tin" it was getting from another supplier. Ionic cleanliness and aesthetics were the main issues; because components were press fit, surface integrity was critical. Using as its basis a final finish with a long, successful history, the Uyemura Laboratory developed, over the course of 18 months, a highly differentiated process that solved the customer's board cleanliness and appearance issues, and provided other performance enhancements.