--- In
Homebrew_PCBs@yahoogroups.com, "mellow_dog" <mellow_dog@...> wrote:
>
> Hey Bill,
>
> I too am just starting with this method. My first board came out pretty good. The second not so good, like yours it sounds. On my third try, I washed the board more thouroughly with green scotchbrite type material (attached to sponge found at 1$ store) and Dawn dish soap. Scrubbed lightly till the soap looked dirty and copper shiny. Rinsed with water and dried with paper towel. Then scrubbed with paper towel soaked with Acetone. I think the Acetone may be key here since it a solvent to the Toner. If there are traces of Acetone vapor when you lay down the pulsar paper you will feel the toner almost instantly start to stick.
> Make sure your laminator is at its hottest and run for at least 15-30 minutes (while preping the copper clad). Might seem excessive, but at least you'll know it is up to temp. As soon as you lay the transfer paper down shove that puppy through the laminator. On that 3rd transfer attempt, I only pushed it through the lam 2 times. It all stuck except a small piece of the corner (fixed with a little packing tape) which I believe I just did not get clean enough.
>
>
> 1)Pep: preheat Laminator, set supplies out
> 2)Wear gloves (rubber, latex, Nitrile)
> 3)Clean copperclad w/ scotchbrite and dish soap until shiny
> 4)Rise and dry
> 5)Rub w/ Acetone
> 6)Tape printed TTP to board
> 7)Laminate (preheated minimum 20 min)
>
> Your now ready to etch!
>
> Have fun
>
> Rick H.
> PS. An alternate to dishsoap and water may be household copper cleaner found at hardware or grocery stores. I just bought some so will have to report back later if it works any better or not.
>
Forgot to mention, I started with an HP P1006 Laserjet. But it is not fine enough @ true 600x600 dpi. So I bought a used Dell 1710n that does much finer lines and curves. I am considering trying to convert it to run the copper clad (1/32") straight through. If this works, then no more TTP, and no more laminator (except for the green TRF).
Wish me luck...
Rick H.