Hi Jim! The 4-14 Plating Processes subcommittee is currently working on
specifications for immersion silver and immersion tin. ENIG was covered
with the publication of the IPC-4552 specification. I would recommend you
call out the specific immersion silver chemistry, a thickness range and a
solderability requirement on your drawing note(s) until the 4-14 committee
can complete their work. Good Luck.
Dave
"Marsico, James"
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Sent by: TechNet Subject: [TN] inmmersion silver
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Hello Technet:
What's the best way to specify immersion silver finish on a PWB? In
accordance with what? Thickness? Anything else?
Jim Marsico
Senior Engineer
Production Engineering
EDO Electronics Systems Group
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631-595-5879
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