[volt-nuts] low emf solder

[Bruce Griffiths]

Laser welding should work for either similar or dissimilar materials.At one time microwire PCBs  used stainless steel  wires were welded to stainless lands.
Bruce  

    On Saturday, 29 October 2016 1:39 PM, Dr. David Kirkby (Kirkby Microwave Ltd) <drkirkby at kirkbymicrowave.co.uk> wrote:
 

 On 28 Oct 2016 15:25, "Juris L" <juris.l at gmail.com> wrote:
>
> Found reference to optimal emf solder composition cadmium/tin alloy
> (70 %/30 %) in JJ array measurement article page 12.

I wonder how practical it is to weld test leads, so there's no solder or
thermal EMF.

I know that this will sound crazy, and probably is, but could one weld
components to a PCB?

I don't even have the excuse of been drunk or taking drugs,  but I will
risk ridicule for making the above comment!  Sometimes thinking out of the
box is useful.

Dave.
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