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| Date: | Tue, 8 Jun 2010 15:51:06 -0400 |
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Carl,
I'm in a meeting, so can't look at any tables of x-ray energies. Any chance that the equipment is picking the wrong element? Is there a secondary x-ray peak you can use to check? I hope that you take this a constructive suggestion. It is not meant any other way.
Bev
RIM
----- Original Message -----
From: Douglas Pauls [mailto:[log in to unmask]]
Sent: Tuesday, June 08, 2010 03:42 PM
To: [log in to unmask] <[log in to unmask]>
Subject: Re: [TN] Arsenic from XRF Testing
Maybe you got some pressure treated solder..................
Doug Pauls
Carl Ray <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
06/08/2010 01:44 PM
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TechNet E-Mail Forum <[log in to unmask]>; Please respond to
Carl Ray <[log in to unmask]>
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Subject
[TN] Arsenic from XRF Testing
All,
I have a question. We were seeing some solderability issues with some
components that were provided by our customer. These devices were Sn-Pb
over Cu plating per the data sheet. We tested 3 samples and noticed where
all three samples have very high concentration of Arsenic. Some as much
4-5%. What could possibly be the cause for this? I understand Arsenic is
used during plating process but I did not think it was as significant as
4-5%.
Carl Ray
Staff Engineer
Teledyne Electronic Manufacturing Services
1425 Higgs Rd.
Lewisburg, TN 37091
Direct: 931-270-2724
Cell: 931-637-5958
Email: [log in to unmask]<mailto:[log in to unmask]>
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