Hi Jen:
               Use FluxMarker, P/N FM5WSO, a water soluble marker that
comes in different colors. It works well and comes off easily. I am sure
that you can find vendors through Google.

        Good Luck
        Ramon
 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jenny Drake
Sent: Wednesday, November 01, 2006 8:37 AM
To: [log in to unmask]
Subject: [TN] UV flourescent pens for rework identification.

Has anyone any experience using pens with ink that is invisible under
normal light, but shows up under UV for identifying areas of PCB's
needing rework? This would remove the need to place and remove stickers
on the components and PCB and be invisible to the end customer. 

Various pens are on the market for to let you mark your property, but
there is no information that I've been able to find for their use on
PCB's. Ideally I would want one that has been shown to be safe for use
on electronics and have low ionic contamination.

Regards,  Jen 

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