Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan 
<stefan_trethan@g...> wrote:
> No idea what will happen if i use the teflon roller on the 
> paper/toner/copper contact side.
> maybe if the pcb is not flat it will not work.

People have written me that have 2 roller laminators with a similar 
setup to that that tell me that it works OK.  (Still both hard 
rollers; heat on one side though.)

(My laminator has 4 rollers with 2 heat elements in the middle 
(top/bottom))  The bottom element is slightly hotter though...

> As soon as time allows i will try different thing, I've bought the 
paper 
> already and not much other use
> for it so i can experiment with the parameters.

Thats the only way you get anywhere...  But honestly; I didn't have 
to experiment that much after I started using the laminator.  The 2nd 
attempt using it was nearly perfect.  After that there is some 
fiddling with the number of passes that each new size/board takes.  
IE a .5 oz 2"x2" (~6-8 passes) is different from a 2 oz 4"x6" (10-12 
passes). 

> 
> I will also get the hp toner on ebay (missed the first one - ended 
at only 
> 5 eur but i forgot to look after the
> auction) I definitely know the toner i have is scrap.

My genuine HP 5L toner works great --1 pass through the printer for 
an image --6-12 passes (+copper clad) through the laminator.

> 
> 
> but the number of runs in the fuser is a great help. speeds up 
trying if 
> you have something to start with.