Method for enhancing the solderability of a surface

Details Method for enhancing the solderability of a surface Method for enhancing the solderability of a surface

2007-09-11

2007-09-11

King, Roy (Department: 1742)

Metal fusion bonding

Process

With pretreating other than heating or cooling of work part...

C205S085000, C205S263000, C427S125000

Reexamination Certificate

active

10456329

ABSTRACT:
A method for enhancing the solderability of a metallic surface is disclosed where the metallic surface is plated with an immersion silver plate prior to soldering, which immersion silver plate is treated with an additive selected from the group consisting of fatty amines, fatty amides, quaternary salts, amphateric salts, resinous amines, resinous amides, fatty acids, resinous acids, ethoxylated derivatives of any of the foregoing, and mixtures of any of the foregoing. The immersion silver deposits created are resistant to electromigration.

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