On Wed, Jan 19, 2005 at 07:42:33PM -0500, Bob Paddock wrote: > On Wednesday 19 January 2005 01:41 pm, Karel Kulhavy wrote: > > > What are the conditions under which 100% reliable contact between two > > metals is guaranteed? My hypothesis is that there are only two > > possibilities: > > > > 1) gold-to-gold > > 2) The touch point is under permanent great preload > > You could try some of this new Peratech material: > > http://www.peratech.co.uk/pills.htm
Oh shit. 10 ohms at 2kg preload. I imagine something like 1-10 milliohms. > > The follow discusses switches, but the same idea could apply to a > bulk-head style connector. > > They have some other cool products as well. Seems to be a material in search > of an application... If the pill would do 1 milliohm at 0.1kg, I would consider it a cool product. Cl<
