Hi TechNet - another potential issue to consider would be corrosion issues.
Gold is one end of the galvanic table and aluminum is on the other end -
not exactly a metallic pairing I would jump up and down about. The users
should look at the product use environment and assess the potential
corrosion issues.

Dave Hillman
[log in to unmask]
Rockwell Collins

On Fri, Jan 15, 2016 at 5:29 PM, Giamis, Andy <[log in to unmask]>
wrote:

> Au directly to Al?
> I would be concerned over purple plague.  Certainly an old problem with Au
> wire bonds on Al chip circuitry.
>
> Ni on Al  and Au on Ni are both fairly common.  Lots of shops can do that.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Louis Hart
> Sent: Friday, January 15, 2016 5:21 PM
> To: [log in to unmask]
> Subject: [TN] plating gold to aluminum
>
> TechNetters, who in the US knows of a machine shop which can plate gold to
> aluminum? I'm asking on behalf of colleagues and neglected to find out for
> sure if they meant electroplating or some other process.  Any ideas would
> be welcome.  Louis Hart
>
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