Bev,
Why not use SERA?
Liang
Unovis Solutions
>From: Mike Fenner <[log in to unmask]>
>Reply-To: [log in to unmask]
>To: [log in to unmask]
>Subject: Re: [TN] Measuring oxidation of the spheres in solder paste
>Date: Wed, 9 May 2007 17:15:11 +0100
>
>Bev: Why not just ask your paste manufacturer?
>Also I am curious why you need to know this?
>
>
>Regards
>
>Mike
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
>Sent: Wednesday, May 09, 2007 5:03 PM
>To: [log in to unmask]
>Subject: [TN] Measuring oxidation of the spheres in solder paste
>
>Technetters,
>I would like to measure the oxidation of the solder spheres in solder
>paste. I do not have an Auger or XPS. Now I know that ACI (EMPF) was
>selling a device at one time that looked at solder paste quality on the
>stencil. I am not referring to that equipment. I seem to recall there
>was a Japanese piece of equipment that might have been something like a
>SERA tester that claimed to be able to do this. I was wondering if
>anyone on this forum had ever used it/checked it out? Or did it never
>hit North American shores because of potential patent conflict with the
>SERA tester? Any leads would be appreciated.
>Regards,
>Bev
>RIM
>
>
>
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