Hello Duane,

you could try a good quality paper masking tape. As long as it is peeled off
while the panel is still warm after soldering, it should not leave a
residue.

Otherwise, there are some very good (and expensive) masking tapes used in
hot air solder levelling, and believe me that needs a good tape. We use one
which leaves no residue and withstands the extremes of hot air levelling
without lifting. Expensive though the tape is, it is cheaper than peelable
mask although that product also works well. Your pcb supplier should be able
to supply your pcb's with peelable mask.

I can't remember the details of the tape but if you email me at my office,
[log in to unmask], I will get the details for you. You can also get tape
dispensers which deliver a measured length of tape pre-cut which speeds up
the application. Manual machines are cheap but you can get motorised ones
for volume use.

Regards
Paul Gould
Teknacron Circuits Ltd
Isle of Wight, UK

>From: Duane Briggs
>To: [log in to unmask]
>Subject: [TN] Tape residue elimination
>Date: Monday, June 01, 1998 8:29PM
>
>Gold fingers have to be covered during flow soldering.  Is there any
>tape
>that does NOT leave ANY residue?  If not, what is the best, cheapest way
>of
>removing the residue?  Pallets are not an option for us unfortunately.
>
>Duane

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