http://www.blacklightworld.com/non%20porous%20pen.htm\

???

Don't think this is made expressly for PCBs....not sure if it is conductive
or not...

Kevin Glidden
Manufacturing Engineer
Astronics Luminescent Systems Inc.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Dehoyos, Ramon
Sent: Wednesday, November 01, 2006 3:22 PM
To: [log in to unmask]
Subject: Re: [TN] UV flourescent pens for rework identification.

        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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