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Date: | Wed, 30 Jul 2014 08:19:54 -0400 |
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I bet it's solder splashes. Tiny solder balls are flying in reflow ovens .
We investigated several cases like that in the past for our customers.
Regards,
Vladimir Igoshev
SENTEC Testing Laboratory Inc.
11 Canadian Road, Unit 7
Scarborough, ON M1R 5G1
Phone: 647-495-8727
Cell: 416-899-1882
[log in to unmask]
www.sentec.ca
Original Message
From: Steve Gregory
Sent: Wednesday, July 30, 2014 8:03 AM
To: [log in to unmask]
Reply To: TechNet E-Mail Forum
Subject: [TN] Spots on Gold
Morning John,
I have your second photo posted, it's here:
http://stevezeva.homestead.com/ring.jpg
This looks interesting!
Steve
On Tue, Jul 29, 2014 at 5:56 PM, <[log in to unmask]> wrote:
> Hi steve
>
> I managed to get to a good microscope this afternoon. Everyone of these
> spots looks like someone circled it* w*ith a magic marker.
>
> Would you mind posting one more pic for me.
>
> Thanks
>
> John Foster
>
>
>
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