Neil,

The capacitor may well be a film of metal oxide....

Have you considered using a brass nut. Of course you should also consider what
the nut connects to.



> Thanks, Eric I didn't give much info because it's a difficult one to
> explain.  The sensor is actually a painted metal plate being used to detect
> capacitance (the plate is acting as one half of the capacitor).  It is in
> permanent contact and I believe we may be starting to get a small capacitor
> at the contact point????
>
> Neil Atkinson
> Quality Manager
> Stadium Electronic Controls
> Tel: 01429 266544
>
>
> > Neil,
> >
> > You haven't given much information on how the parts are
> > contacted, frequency,
> > force, environment ....
> >
> > However, if the two parts are in continuous contact then
> > stainless will be less
> > likely to cause galvanic corrosion than zinc when in contact
> > with bronze. If
> > the parts are in contact but not soldered a small amount of
> > corrosion will
> > disrupt electrical continuity.
> >
> > Hope this helps,
> >
> >
> >
> > Eric Christison
> >


Eric Christison

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