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Step 6Finishing the PCB
Cleaning off the toner
I heard the best solvent to clean the toner from your PCB is Aceton or nail-polisch remover. I had some other nasty stuff (trichlooretheen) that worked fine. All of these solvents are really bad for you, so use proper protection!
Just use a tissue or cloth with the solvent to wipe of the toner.
Protecting the copper
To protect the copper from corroding you can spray some protective stuff on it. You don't have to do this.
I first drilled one of the holes, so I can hang the PCB in my spray-booth (It is just a big box). Just spray a thin layer of the green stuff on the copper side of the PCB. (it is not so easy while making a photo with one hand) Now the hardest part: You have to let it dry! If you spayed so much as I did, it has to dry for a day :S
They look really profi in green!
Drilling the holes
For drilling the holes I've got a really nice mini-drill-press, but a big drill-press or a Dremel also works fine. You will find that when you start with little pressure, the drill will automatically center on the holes.
For most holes I used a 0,8 mm drill. For the holes for the pushbutton I used a bigger one. (I think 1 mm)
Don't breath in the dust from the drilling.
Separating the PCB's
If you made more PCB's at ones, you might want to separate them by now. The breaking trick will probably not work anymore, so use a small saw, Dremel or steel-cutter to separate them.
The PCB is now ready to receive the parts!
I heard the best solvent to clean the toner from your PCB is Aceton or nail-polisch remover. I had some other nasty stuff (trichlooretheen) that worked fine. All of these solvents are really bad for you, so use proper protection!
Just use a tissue or cloth with the solvent to wipe of the toner.
Protecting the copper
To protect the copper from corroding you can spray some protective stuff on it. You don't have to do this.
I first drilled one of the holes, so I can hang the PCB in my spray-booth (It is just a big box). Just spray a thin layer of the green stuff on the copper side of the PCB. (it is not so easy while making a photo with one hand) Now the hardest part: You have to let it dry! If you spayed so much as I did, it has to dry for a day :S
They look really profi in green!
Drilling the holes
For drilling the holes I've got a really nice mini-drill-press, but a big drill-press or a Dremel also works fine. You will find that when you start with little pressure, the drill will automatically center on the holes.
For most holes I used a 0,8 mm drill. For the holes for the pushbutton I used a bigger one. (I think 1 mm)
Don't breath in the dust from the drilling.
Separating the PCB's
If you made more PCB's at ones, you might want to separate them by now. The breaking trick will probably not work anymore, so use a small saw, Dremel or steel-cutter to separate them.
The PCB is now ready to receive the parts!
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