Yes, I haven't heard of it neither before; but as with everything in
LF, there are many surprises yet to come.
Mickey
-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Gabriela Bogdan
Sent: Thursday, November 30, 2006 5:41 PM
To: [log in to unmask]
Subject: Re: black pad
That's news for me.
Gaby
----- Original Message -----
From: "Pete Houwen" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, November 30, 2006 6:31 PM
Subject: Re: [LF] black pad
> ENiG certainly seems to be having great difficulty in living down it's
> reputation.
>
> Recent developments in Phosphorus enrichment in the Nickel bath have
> gone a long way in decreasing occurances of black pad, close to
> eliminating it at quality fabrication shops. Removing the lead from
> BGA balls has given us one advantage, in that it keeps the Nickel
> migration from continuing after the initial intermettalic is formed,
> reducing process induced black pad.
>
> 7 years is ancient history for ENiG.
>
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