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Surface Finish

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PCB Surface Finishes include HASL, OSP, ENIG, Immersion Tin, Immersion Silver, Gold – Hard Gold…Protect copper from oxidation and help assembly.

Community > Groups > Surface Finish > the recommended PCB surface finish for SAC alloy BGA
the recommended PCB surface finish for SAC alloy BGA
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I am planning to attach 1760 pin BGA. The pitch is 1mm and Balls are SAC alloy type. The PCB is for aerospace use and expected to work in harsh environment.
What is the recommended PCB surface finish and the attachment process for such a application.
Statement: This post is only the personal view of the author and does not represent the opinions of

Allen Litton

Remarkable.Great help to my learning.


Please keep us up to date like this.

William Paul

It answered all my puzzles.Very helpful.

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