At 03:12 PM 9/19/00 -0700, Bruce Cannon wrote:
>Hello:
>
>Anyone have any knowledge about the switches used in cheap consumer
>products, the kind made from a carbon-impregnated rubber contact pin and a
>little interleaved PCB spot?  In terms of service life (assuming a sealed
>environment).

Practically infinite.
We used plastic doubleshot keycaps, because the plastic keys otherwise wear
out.
(keycaps over sil rubber in a frame)

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