Homebrew PCBs

On Mon, 24 Apr 2006 21:39:13 +0200, Lez <lez.briddon@...> wrote:

> No trust me its the pcb that expands/contracts etc
>
>
> After heating the paper is well stuck and the board is slightly bent,
>
> as it cools the bend goes back to flat and the paper lifts in the
>
> centre.
>
>
> Seems my copper expands more than my pcb backing material.


If that's so you must have really shoddy PCB material ;-)

The glass fiber reinforced one doesn definitely not move...

ST