I have a pcb with 10 electrical gold plated contacts in a single line with 5 mil isolation between them.
At any time, a small gold plated copper part "C" makes a very *light* contact with only one of the contacts.
A *weak* force is responsible to move C over the range of contacts.
Is there some lubricant I can apply on the contacts to reduce the friction between C and the contacts?
Please don't advise to change this setup as nothing can be changed, for certain reasons.
Mike
There is a product called "Gold Guard", whose active ingredient is polyphenylether, which is just for this job.
Chris, graphite is conductive.
This can be done with math... but quantities such as *weak* and *light* won't get you (or anyone else) there...
Al...
Graphite? cb
You are wrong. Probably if you had a clue you would have replied / guessed a solution like 7 other replies to my message which have been of great help.
POLYPHENYLETHER example SANTOVAC 5 Found in some "Contact Kleaners" as "with PPE" Extremely Low Vapour Pressure, very stable, inert, great lubricant, expensive, "same price range as Gold !" Also available as a "High performance Ulta high Vacuum Grease "Fomblin"
Yukio YANO
Contact Cleaner Lubricant
Stabilant 22 should do the trick
That's one reason why I suggested it. Not knowing anything about the application itself, it might be a solution. cb
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I have (or had, I should say) a flashlight that I converted over to white LEDs. Well, to my surprise, when I shut off the swtch, the LEDs continued to glow dimly. I came to the conclusion that the grease they used on the slide switch contacts was somewhat conductive. This wasn't noticeable on a ragular filament lamp, but the LEDs showed it easily. So if you do use a lubricant, make sure it is a good insulator.
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