The worldwide transition to lead-free electronics has increased the usage of several lead-free pad finishes for electronic assembly manufacturers, including immersion silver, immersion tin, electroless nickel-immersion gold, and organic solderability preservatives. This study assesses and compares immersion silver as a circuit board finish in terms of its ease of use, wettability, solderability, shelf life, appearance, solder joint strength, intermetallic and void formation, reliability, and costs.
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Wang, W., Choubey, A., Azarian, M.H. et al. An Assessment of Immersion Silver Surface Finish for Lead-Free Electronics. J. Electron. Mater. 38, 815–827 (2009). https://doi.org/10.1007/s11664-009-0761-z
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DOI: https://doi.org/10.1007/s11664-009-0761-z