What we see coming in, and suggest to our customers making this transition
is to simply state what you wrote.

Finish: Immersion Tin
or
Finish: OSP

We take care of the rest...

As for thickness requirements, well you really can't under or over plate
these two finishes very easy...

Franklin
----- Original Message -----
From: "Kane, Joseph E" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, July 01, 2004 4:04 PM
Subject: [TN] Specifying PWB Finishes


> We're preparing to order some test boards with alternative finishes for
> lead-free
> testing, including immersion tin and OSP over bare copper.  Can anyone
> suggest
> how we might specify these board finishes in a drawing note?  Our existing
> drawings pretty much specify only the material and the thickness,
something
> like "immersion gold, xxx thick, over electroless nickel, xxx thick."
>
> Joe Kane
> BAE SYSTEMS Controls
> Johnson City, NY
>
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