PNP Blue

[R.G. Keen]

>As mentioned in a previous post, I had emailed the vendor Techniks
>(http://chelsea-ios.com/~techniks/) for a sample sheet and found it to work
>just as I wished it would.
>
>I used EasyTrax to print the PCB layout on a piece of paper, cut the full
>sheet into a sheet about 1" larger than the needed size in both directions
>and taped it over the layout.  I then ran that through the laser printer (my
>old HP IIP) reprinting the image on to the PNP sheet.  Cleaned the board
>with a scouring pad, ironed it onto the board, positioned just between the
>first two steam settings and got nearly a perfect image. I lost only a small
>portion of the board edge outline!
>
>By cutting the sheet down, I should be able to make 4 boards from each
>sheet.  I had ordered a number of blank double sided boards from Electronic
>Goldmine.  QTY 10 for 4x5" boards was about $.80 each!
>
>I later tried another board and again got perfectly usable results!
>
>Called them up and just ordered 40 sheets ($50.00)!  Should be set for a
>long time!
>
>This makes the cost per board (not including time and etchant) at about
>$1.15 each.  Only downside that I can see is having to completely etch the
>copper off the second side as I'm only doing single sided.
>
>This beats anything I've ever used before!

I've used press-n-peel for a long time, and it works great. I
have recommended it in my Guitar Effects FAQ for a couple of 
years now. 

I regularly get 0.012" traces on 0.025" centers.