I can't wire bond immersion silver...jk

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Eric Kalgren
Sent: Wednesday, November 10, 2004 9:31 AM
To: [log in to unmask]
Subject: [TN] Electrodeposited Silver vs. Immersion Silver


Good morning TechNet,



One of our drawings for an RF PCB calls out "Silver Plate per QQ-S-365,
electrodeposited, Type I, 0.0003" thk."  The supplier that we are
getting quotes from says he can't do electrodeposit and wants to supply
immersion silver boards.



Are these two processes equivalent?  I searched the archives and cannot
find any references to ED silver.  Has immersion replaced this process?
(Our drawing is pretty old.)



The board material is Duroid 5880.  would this make a difference?



Thanks for your help!



Eric Kalgren

Manufacturing Engineer

Atlantic Microwave

Phone: 978-779-7062

Fax:     978-779-0101




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