Agreed. This looks and feels like solder, but SEM/EDX will confirm.

Don

Sent from my iPhone

> On Jul 30, 2014, at 8:20 AM, Vladimir Igoshev <[log in to unmask]> wrote:
>
> 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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