I meant because you can apply flashlights and trailer hitches with the q-tip
(seemed like a strange combination but I've seen stranger). Sorry for the
misunderstanding. Just catching up on my reading and will try not to craft
any more responses today. Happy Friday.
On Fri, Sep 10, 2010 at 8:52 AM, Victor Hernandez <
[log in to unmask]> wrote:
> Chris,
>
> What is the 760G product? Dielectric grease!
>
> Victor,
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Chris BALL
> Sent: Friday, September 10, 2010 7:48 AM
> To: [log in to unmask]
> Subject: Re: [TN] humid environments and long term reliability
>
> " I have several HP calculators that used to be intermittant (battery
> contacts) until I took a q-tip and applied 760G on them. Also several
> flashlights and the trailer hitch on my Volvo wagon."
>
> ...must be one hell of a q-tip....
>
> :-)
> Chris
>
>
>
> On Sat, Aug 28, 2010 at 1:31 PM, Bob Landman <[log in to unmask]
> >wrote:
>
> > Carl,
> >
> > We had a problem years ago with Molex/Amp tin-plated power connectors
> > (0.156" spacing). We traced the problem to corrosion (we could see the
> > discoloration on the pins caused by the humid enviroment + airborne
> > contaminants). We contacted Molex who recommended Nye Lubricants Nyogel
> > 760G connector lubricant.
> >
> > At the time I happened to be visiting Henning Leidecker and Jay Brusse at
> > NASA Goddard Space Flight Center so asked them for advice. I was advised
> to
> > read the following paper.
> >
> > http://www.agingaircraftconference.org/all_files/20/20c/123_doc.pdf
> >
> > That convinced us we were on the right track (we had been concerned it
> was
> > a circuit design or component problem as the falures were random).
> >
> > We sent the client a tube of 760G which he applied to over 200 of our
> units
> > in 2007. The problem (intermittant power failure) vanished.
> > www.nyelubricants.com We now apply 760G to all our tin-plated
> > connectors. Also some gold plated connectors (RJ-45 type) as we found in
> > some environments (like sewage treatment plants) the atmosphere quickly
> > finds and corrodes the tiny pinholes in the gold flash coating. Unless
> the
> > mfg plates a very thick gold coating, you can expect such imperfections
> to
> > corrode. The result is a greenish tarnish which is an insulator. I have
> > several HP calculators that used to be intermittant (battery contacts)
> until
> > I took a q-tip and applied 760G on them. Also several flashlights and
> the
> > trailer hitch on my Volvo wagon.
> >
> > Regards,
> >
> > Bob Landman
> > H&L Instruments, LLC
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Carl VanWormer
> > Sent: Monday, August 23, 2010 1:53 PM
> > To: [log in to unmask]
> > Subject: [TN] humid environments and long term reliability
> >
> > We are considering conformal coating our boards that will go into a
> chassis
> > that may be an occasional high humidity environment. I have been told
> that
> > the humidity (and water) is "slowed down" by the conformal coating, and
> that
> > good cleaning before the conformal coating is essential for reliability.
> > Assuming we have done all we can do for the PC board assembly, my worry
> > goes to the next level; the cables that connect between boards and also
> to
> > the valves, relays, and sensors. Is it worth considering messing up the
> > system with silicone grease smeared on all of the 2-pin, 5-pin, and 50
> pin
> > (IDC) plugs and sockets? I know some of the cute little phone-wire
> crimp-on
> > IDC button connectors are filled with a dielectric grease, so it must
> have
> > some value. And what about the IDC connector, with its pins just
> piercing
> > the ribbon cable .
> > . . Is there a long term reliability problem there, too?
> >
> >
> >
> > I'm looking for "fatherly guidance" on making a system that won't ever
> need
> > a field service call.
> >
> >
> >
> > Thanks for tolerating my paranoia,
> >
> > Carl
> >
> >
> >
> >
> >
> >
> >
> > Carl Van Wormer, P.E., AE7GD
> >
> > Senior Hardware Engineer
> >
> > Cipher Systems
> >
> > 1800 NW 169th Place, Suite B-100
> >
> > Beaverton, OR 97006
> >
> > Cipher Systems (503) 617-7447 x 5163
> >
> > Direct Line (503) 425-5163
> >
> > [log in to unmask]
> >
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