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Tue, 1 Apr 2003 10:48:39 -0500 |
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> -----Original Message-----
> From: Louis, Edwin @ CSE
> Sent: Tuesday, April 01, 2003 9:06 AM
> To: [log in to unmask]
> Subject: FW: Gold PLating over Copper/or Nickel
>
>
>
> -----Original Message-----
> From: Louis, Edwin @ CSE
> Sent: Tuesday, April 01, 2003 9:01 AM
> To: [log in to unmask]
> Subject: Gold PLating over Copper/or Nickel
>
> WE have a situation where a vendor who is manufacturing a module for us
> can not seem to plate Nickel and Gold into blind vias.
> The vias are 30mils in diameter and 10 mils deep.If we don't get Nickel
> plated into the holes we may end up with bare Copper
> or Gold over bare Copper. Can one of you make comment on our situation.
> The Copper in a plate over Aluminum base metal.
> It seems to me that the vendor should be able to plate in the vias I
> mentioned with the aspect ratio given.
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