Homebrew PCBs

I read on the internet about using label paper without the labels to 
transfer the circuits. Pull the labels off, then run thru a laser 
printer. I have small circuits and can fit several on
a 4X6 pcb board.  The first time I tried it, I used Avery 3 across 
labels and out of 12 circuits on the board, 6 were useable and the 
lines were pretty sharp. The circuits on the outer edge didn't seem to 
transfer very well and were missing traces.  Then I tried the Avery 2 
across label and when I did the transfer the circuits seemed more 
fuzzy. This time, I ironed the copper board hot, then put the paper on 
it and ironed for another 3 or 4 minutes. On a 4 circuit sheet, I only 
had a couple that seemed to be ok to use. There seems to be some pads 
that are touching under a transister that I can correct. Has anyone 
else used the label paper. Are there some tips that anyone can give to 
make this more of a science than an art?

Thanks

I also read that and it sounded feasible so I ran right out to 
Staples and got some of the BIG label sheets and tried this.  It 
transfers quicker than paper or photo paper, but it seems to 
be "pitted" really bad and I couldnt get a nice uniform covering that 
I felt would be useable once etched.  I put my design right in the 
middle of the sheet and proceeded as I do with photo paper typically.

Matt

--- In Homebrew_PCBs@yahoogroups.com, "billshat44" <billshat44@...> 
wrote:
>
> I read on the internet about using label paper without the labels 
to 
> transfer the circuits. Pull the labels off, then run thru a laser 
> printer. I have small circuits and can fit several on
> a 4X6 pcb board.  The first time I tried it, I used Avery 3 across 
> labels and out of 12 circuits on the board, 6 were useable and the 
> lines were pretty sharp. The circuits on the outer edge didn't seem 
to 
> transfer very well and were missing traces.  Then I tried the Avery 
2 
> across label and when I did the transfer the circuits seemed more 
> fuzzy. This time, I ironed the copper board hot, then put the paper 
on 
> it and ironed for another 3 or 4 minutes. On a 4 circuit sheet, I 
only 
> had a couple that seemed to be ok to use. There seems to be some 
pads 
> that are touching under a transister that I can correct. Has anyone 
> else used the label paper. Are there some tips that anyone can give 
to 

> make this more of a science than an art?
> 
> Thanks
>

Hi Matt, I used a couple of different papers and the Avery 5160 3 labels across, 10 down seemed to be the best.

CJ

matt clement <buckeyes1997@...> wrote:                             I also read that and it sounded feasible so I ran right out to 
 Staples and got some of the BIG label sheets and tried this.  It 
 transfers quicker than paper or photo paper, but it seems to 
 be "pitted" really bad and I couldnt get a nice uniform covering that 
 I felt would be useable once etched.  I put my design right in the 
 middle of the sheet and proceeded as I do with photo paper typically.
 
 Matt
 
 --- In Homebrew_PCBs@yahoogroups.com, "billshat44" <billshat44@...> 
 wrote:
 >
 > I read on the internet about using label paper without the labels 
 to 
 > transfer the circuits. Pull the labels off, then run thru a laser 
 > printer. I have small circuits and can fit several on
 > a 4X6 pcb board.  The first time I tried it, I used Avery 3 across 
 > labels and out of 12 circuits on the board, 6 were useable and the 
 > lines were pretty sharp. The circuits on the outer edge didn't seem 
 to 
 > transfer very well and were missing traces.  Then I tried the Avery 
 2 
 > across label and when I did the transfer the circuits seemed more 
 > fuzzy. This time, I ironed the copper board hot, then put the paper 
 on 
 > it and ironed for another 3 or 4 minutes. On a 4 circuit sheet, I 
 only 
 > had a couple that seemed to be ok to use. There seems to be some 
 pads 
 > that are touching under a transister that I can correct. Has anyone 
 > else used the label paper. Are there some tips that anyone can give 
 to 
 > make this more of a science than an art?
 > 
 > Thanks
 >
 
 
     
                                       

       

[Non-text portions of this message have been removed]

i try to use  transparent paper and i get  useful result
another way that is photo resisted spray is good

On Tue, 6 May 2008, billshat44 wrote:

> I read on the internet about using label paper without the labels to
> transfer the circuits. Pull the labels off, then run thru a laser
> printer.

I stumbled on this when I accidentally printed over the entire sheet
instead of just where there were labels.  I here or perhaps the gEDA
mailing list about it and was told that this would ruin my laser printer
over time by coating the drum with wax and/or clay.

-- 
David Griffith
dgriffi@...

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