Homebrew PCBs

I believe multiple pressure points might actually be inferior.
The reason to use a roller is to ensure every point receives high pressure  
at some time, with multiple rollers this is not ensured if they are not  
prefectly parallel.

(Extreme: a flat plate can be seen as infinitely many rollers).

ST


On Wed, 08 Mar 2006 04:30:12 +0100, fenrir_co <fenrir@...>  
wrote:

> An idea came to me after I sent that message out a few days ago: Built
>
> a frame out of wood and fill with metal pipes or dowels (I suggest
>
> metal as they will retain heat better) to create a line of 'rollers'
>
> like those rolling conveyer belts they have at UPS or such. Make sure
>
> you the surface area is larger than the board and iron and make sure
>
> whatever you use close to perfectly round and smooth so it can rotate
>
> inside the frame. Use bits of laser labels to adhere the transfer
>
> sheet to the board, and iron it on top of this setup. If you use metal
>
> pipes, leave the iron on top of them for awhile to heat them up. I am
>
> thinking face down might work better than face up, but make sure the
>
> board rolls back and forth across the surface. That way it's like the
>
> dowel tip from pulsar, but with multiple 'high points of pressure' so
>
> it's like half of a laminator, and with less chance of the thing
>
> slipping away. Example: (view with monospace font!)