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October 2009

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Subject:
From:
"Wenger, George M." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Wenger, George M.
Date:
Fri, 23 Oct 2009 14:55:32 -0500
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text/plain
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text/plain (67 lines)
Kevin,

We use a Fischer Technology XRF and routinely measure immersion silver thickness in this range without any special calibration.

Regards,

George

George M. Wenger

Andrew Wireless Solutions

Senior Principal FMA / Reliability Engineer

40 Technology Drive, Warren, NJ 07059

(908) 546-4531 [Office]  (732) 309-8964 [Mobile]

[log in to unmask]


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Glidden, Kevin
Sent: Friday, October 23, 2009 3:52 PM
To: [log in to unmask]
Subject: [TN] Measurement of ImAg plating thickness using XRF

Late on Friday I know, so I'll re-visit this one on Monday, but I am looking for someone who can verify ImAg plating thickness in the range of 5 to 12 micro-inches applied over copper using XRF techniques.  The IPC-4553 specification indicates this might be more difficult to achieve for silver than for other finishes, and requires some specialized equipment and calibration methods.  I am looking to have this done on 1-2 PCBs only.  Offline responses / quotes are OK.

Thank you


Kevin Glidden
Manufacturing Engineer
Luminescent Systems Inc.
4 Lucent Drive
Lebanon, NH 03766
(603) 643-7766 x3152

Please note, LSI now operates on a 9/80 work schedule, and is closed on alternating Fridays.  Please click the link provided to view the days LSI will be closed.
http://www.astronicslsi.com/contact/contact.asp

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