--- In TekScopes@y..., Miroslav Pokorni <mpokorni@c...> wrote:
Thank you, Peter. Information on MCL would be handy one day, too.vials of
products for $10.I have used the Caig products with some success too; handiest where
access is so restricted you can only spray, twist knobs a lot and -
blow out with air. 'Tweek' I have also used since ~ '83. It is a
'surfactant' - has some detergent properties but, it's major feature
is that it is slightly 'oily' and, under pressure - it is a
(demonstrated via a daisy-chain of BNC adaptors + a milli-ohm bridge).
In brief, at the high micro- local pressures of a contact, it "fills
in the gaps always present in any surface" with a conductor, yet does
not degrade even hi-ohms substrates. I think.. it's still
distributed by Sumiko, Inc. in Berkeley CA. Small 'nail-polish' type
applicator of the ingredient in v. pure iso-alcohol. (It's very
expensive! pure, and a little does a lot).
Hi-end audio shops have carried this in past, but I've been out of
touch lately. It has SYA many times, especially where a known flaky
connector is on a production board which can't be removed without
consequences (or a replacement connector can't be found). There are
many anecdotes of "miracle cures" for hair-pulling intermittents...