Homebrew PCBs

On Sat, 10 Feb 2007 06:44:25 +0100, William Carr <Jkirk3279@...>  
wrote:

> I've been wondering about this.
> There's a compound of Gallium, Indium and Tin that freezes at minus 4
> degrees F.    So it's liquid at room temperature.
> You can coat your own mirrors, paint it on stuff, maybe you could use
> it to draw antenna grids on glass.
> If you use pure Gallium, it would melt in your hand, but freeze below
> that temperature to a solid.    Even if you could get pure Gallium to
> work in an inkjet you'd need a heater to keep it warm or it would
> freeze up in the ink tank.
> William Carr


I would expect it will have a high surface tension, seeing that it is a  
metal and all. So it may be tricky to keep it in place.
Also, a PCB that melts away if it gets hot is kinda useless for me.

ST