This sounds right to me also, however, if your doing COB, I've found
that 6-10 micro inches works better, especially if in mass qtys such as
10k a month.

Scott
IDS


Meehan, Alexis wrote:
>
> We will be gold-plating some of our PCB's, and our manufacturing department
> has requested that
> we put this note on the fab drawings:
>
> Plating: Land will be 3 to 8 microinches gold immersion over 100-150
> microinches of electroless
> nickel over base metal.
>
> Do these thicknesses look right? Some folks in the company are questioning
> whether this is
> standard for most fab houses. Thanks in advance for any insight.
>
> *******************************************************
> Alexis Meehan             Wavespan Corporation
> Mgr Engineering Srvs  500 N. Bernardo Avenue
> Tel: 650-237-8365            Mountain View, CA 94043
> Fax: 650-919-0191            http://www.wavespan.com
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