I find that my set of IPC-2220 has become outdated (specifically 2221).  So
that I don't have to wait until I can requisition and receive my new set,
may I impose on someone who already has the new version?

Referencing the Feb 1998 version of that document, Table 4-3 Final Finish,
Surface Plating Requirements (page 20):

Electroless Nickel      2.5 - 5.0 micrometers (across all three classes)
Immersion Gold          0.08 - 0.23 micrometers (across all three classes)

Here's the question(s):  Have either or both of those thicknesses changed in
the newer version (IPC-2221A)?  If so, what are the new values?

Thanks very much (in advance)!

Donn

Donn Smith, CID
Senior PCB Designer
GARMIN International
1200 E. 151st Street
Olathe, KS  66062
(913)397-8200
(913)397-8282 Fax
[log in to unmask]
www.garmin.com



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