Homebrew PCBs

You were using the standard inks that can be purchased with the
printer? Have you tried the MISPRO inks?? I would like to see your
results with both inks.

There was a thread not too long ago concerning taking close pictures
of the traces. Would it be possible to obtain some, that is, if you
are not too busy. :)

Joseph

--- In Homebrew_PCBs@yahoogroups.com, "wnnelson0" <wnnelson@...> wrote:
>
> I have completed a test board which I took pictures of and posted in 
> the photos section under C88 Test PCB. I think the biggest step to 
> getting a good ink transfer was preheating the PCB before printing. I 
> used a small heat gun my wife uses for stamping. I warmed it up to 
> about 75C. With the heating I did not get any pooling of the ink 
> which I had before. I believe Stephan was saying he had pooling too. 
> I think this must allow some of the ink to dry before more is put on 
> top.  What time of the year was Volkan printing maybe the boards were 
> warmer to start with (summer)? Printing in black but with all carts 
> magenta (EPSON TO603)works great. I get a very good layer of ink. 
> After etching the ink still looks the same. It will not come off with 
> a casual wipe with acetone but will mostly come off with continued 
> scrubing with acetone. The curing is almost the same as Stephans. I 
> am giving it a little more heat 240C to 245C and a little more time 5 
> minutes than I did in the photos.  I have given it up to 20 minutes 
> of time and it still worked fine but the epoxy was getting very 
> brown. All the traces were very good with no breaks down to what 
> Eagle says is .001 in. on the PCB. I'm not sure if the Epson is 
> really printing that small as it is hard to measure. The photos are 
> not as good as I would have liked but the light meter was not working 
> in the camera and it was hard to get good light on the board when the 
> macro lens was so close. I beleive that this is a very good start for 
> me and I will have pictures of completed boards in the future. I will 
> also post some pictures of the printer but it is very much like 
> Stephans. The C88 appears to be the same as as a C84
>