Yipes, your supplier cost himself a bag of money, ouch.  You won't be seein any copper
oxides or other failures.  You just have to get your components to stick to the gold.

Chuck Brummer

Stephen R. Gregory wrote:

> Hi All!
>
> Remember my little problem with dry-film mask flaking off after multiple
> washes in Kyzen? Well, it's not that problem this time.
>
> We went to a different vendor and they used a DuPont dry-film...passed all
> the tests I through at it (thermal excursion through reflow, and multiple
> cleanings) passed without so much as a scratch.
>
> BUT I discovered another little problem now. We got our first batch of boards
> and they matched the drawing which called out SMOBC. We got some boards
> delivered a little later that were needed to complete the lot, and I noticed
> a lighter color over the traces and vias than the boards we got sent to us
> earlier. Me being a little "gun-shy" about masks, I looked at things a little
> closer and removed some mask over one of the vias, and discovered that the
> whole board had been gold plated. (there's PCI fingers on the board that need
> the gold)
>
> The big thing is that they didn't follow the drawing and give us SMOBC like
> the drawing states, but is there any real performance problems that I should
> be worried about? (Cripes! Can't things run smooth once inna while?)
>
> -Steve Gregory-
>
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