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Re: [Shop-talk] conductive rubber

Subject: Re: [Shop-talk] conductive rubber
From: "Peter J. Thomas" <>
Date: Thu, 22 Oct 2009 23:03:23 -0400 wrote:
> OK, so I have a remote control that gets used alot.  The main buttons 
> aren't registering any more.
> Is there a way to "clean" or "resurface" the button's conductive rubber 
> back side? 
I clean remotes and other keypads with just a dry paper towel and a 
little knuckle grease.  Unless it was immersed in something sticky, this 
is enough.  Also, I've found the contacts, not the pads, are what need 
cleaning; they oxidize.  A paper towel is rough enough clean them. If 
its really bad, use a pencil eraser followed with the paper towel.  
Pencil erasers have some mind grid embedded in them.  Electrical 
engineers use an eraser to clean non-gold plated contacts, the eraser 
will completely remove the gold and even copper plating. 
> What would happen if I just put a piece of metal there?
Don't know, just guessing, but you might get bounces (multiple button hits).

Peter Thomas
> TIA!
> Moose
> bBe as beneficent as the sun or the sea, but if your rights as a rational 
> being are trenched on, die on the first inch of your territory.b Ralph 
> Waldo Emerson
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