We use `peelable solder mask'  (screen printed by the PCB vendor, will have
to research on the commercial / chemical name of this)   on gold plated
pads (meant for key contacts). It may be worth talking to your PCB vendor
to carry out this printing process and supply. This can be peeled off after
soldering by human hands.
Regards
Inbavannan

-----Original Message-----
From:   TechNet E-Mail Forum. [SMTP:[log in to unmask]]
Sent:   Thursday, March 29, 2001 1:53 AM
To:     [log in to unmask]
Subject:        [TN] Gold Finger Protection

We are looking for an alternative to Kapton tape to shield gold fingers
from picking up stray solder paste. It needs to be reusable and also
capable of being on the board thru the pasting operation. We have some
titanium pieces that have rubber molding on them, but needless to say, they
are too large to fit under the stencil. If anyone has anything that they
have used and had good luck with, could you share that. We have been and
are still using Kapton tape, but with the cost of ESD Kapton and the amount
we are using, we would like to find some alternative. Please contact me
offline if you do not want to discuss this on the forum.  Thanks

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