It has a fast deposition rate and surface cleaning features, in particular strong adhesion with the film, diffraction, and can be coated material widely and so on.

This paper servers as a summary review of the complex factors such as the prepare, the process of electroless nickel, immersion gold, the rinse after immersion gold, the solder.

A new electroplating technology of solderable bright Sn-Sb alloy of bath components and operating conditions were studied.