Homebrew PCBs

In a message dated 5/23/2003 3:21:22 AM Central Standard Time, 
cobra_neil@... writes:

> There is a special type of material that is used on PCB's for 
> membrane-switch 
> contacts.

Neil:  The only such stuff I am aware of is "conductive rubber" which the 
membrane presses onto GOLD-plated contacts on the PCB.  These are usually several 
interwoven "fingers" so that even a small % of contact by the rubber 
"plunger" causes a "make".  


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