Hello Drew

FCT Assembly provides a solder paste testing kit that includes a Jabil test board design.  The test board includes test areas for wetting, solder balling, graping and voiding.  We keep OSP and ENIG coated boards in stock.   Let me know if you are interested in this and I would be happy to provide the details.

The IPC test method for wetting is not very challenging for solder pastes.  The standard committee is currently running round robin testing on that test method in an effort to improve it.

Best regards,

Tony Lentz
FCT Assembly

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From: Stadem, Richard D. <[log in to unmask]<mailto:[log in to unmask]>>
Sent: Thursday, July 9, 2015 10:00 AM
Subject: Re: [TN] IPC-TM-650 2.4.45 Solder Paste-Wetting Test (Test Speciment)
To: <[log in to unmask]<mailto:[log in to unmask]>>


Look at test coupons such as Heraeus Benchmarker II. That is a really good one; you can perform a full solder paste qualification test using the Benchmarker PWBs, and they can provide them with any finish you like. I have used them with ENIG, IAg, OSP, and HASL. Another really good one is the SMTA Saber from Practical Components. You can perform the wetting test using a 6mm round aperture on one of the large belly pads that are on that board. The Saber is available in HASL and OSP, not sure about ENIG or IAg.
Dean Stadem

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Drew meyer
Sent: Thursday, July 09, 2015 10:25 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: [TN] IPC-TM-650 2.4.45 Solder Paste-Wetting Test (Test Speciment)

Hi All,

I have been forced out from lurking in the shadows and listening to all the great knowledge.

I have been tasked with providing procurement information for the supplies/materials necessary to test some solder paste attributes at all of our sites.

Doing fine with stencils and glass microscope slides. Not finding anything on the copper test coupon for wetting test.

Does anyone know of a source for the coupons ready made? A plus would be ready made and OSP coated.

If ready made coupons are not available and you are testing solder paste for wetting, what do you use?

Drew Meyer

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