Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Lez <lez.briddon@...> wrote:
>
> Just tried some UK asda paper, 2.97 25 sheets, seems 'ok' but the 
shiny
> surface sticks to the copper as well as the toner making a little 
more thumb
> work needed, but on the good side the actual paper is quite easy to 
remove
> and wicks water up quickly.
> 
> paper is ''asda a4 glossy inkjet photo paper '' 25 sheets 180gsm
> 
> 
> I also have had my old problem of the paper 'jumping' off the pcb 
when it
> hits the coldwater, like the pcb shrinks in the cold water, should 
I try hot
> water? (all my papers do this, I think its my pcb material to 
blame, very
> 'expansive' when hot)
> (This is after an iron at cotton setting for 60 seconds)
> 
> If the paper does not 'jump off' it wrinkles like a wave shape 
leaving
> toner/no toner/toner along the edges.
> 
> Its an effect like you see on your fingertips if you have spent 
along time
> in the bath/shower
> 
> Like I said all my papers have done this, the asda is no worse, but 
cheaper
> to buy.
> 
> 
> [Non-text portions of this message have been removed]
>
Yes I use warm water to remove the paper I also let the PCB cool 
slightly before putting it in the water so that they are roughly the 
same temperature otherwise one contracts quicker then the other.