On Mon, 2 Jan 2006, Howard Winter wrote:

> On Sun, 1 Jan 2006 18:04:17 -0500, David VanHorn wrote:
>
>> Someone else said:
>
>>> No ? Afair gold has the lowest wetting current requirement. Think about
>>> it, it is soft so point contacts are almost impossible, and it does not
>>> oxydize.
>
> But it does melt (and evaporate) - I wonder if arcing of the contacts 
> would cause pitting because of this, rather than oxidation as with 
> other metals?

They are not good for high current. But there is almost nothing else for 
low current, low noise, afaik. Pt should work too but I am not sure 
about conductivity and hardness and such. Mercury wetted something is 
better but cannot be used for connectors for obvious reasons.

Peter

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist