[Noisebridge-discuss] [sudo-discuss] etching circuitboards the easy way, at sudoroom

hol at gaskill.com hol at gaskill.com
Tue Aug 2 18:11:40 UTC 2016


I wonder if surface prep with some ultra fine grid sandpaper or emery 
cloth would allow the wax to adhere better

On 2016-07-31 14:03, Jake wrote:
> the printer is nowhere near accurate enough to reprint exactly the
> same twice, as you can see in the third image the wax did not line up
> with the previous printing of the same thing:
> 
> http://i.imgur.com/TatC012.jpg
> 
> it turns out the problem was not that the wax wasn't sturdy, but that
> it did not adhere to the copper until it went through the oven for a
> minute.
> 
> On Sun, 31 Jul 2016, Patrik D'haeseleer wrote:
> 
>> Nice! You could also try running the Pyralux through the printer 
>> multiple
>> times to build up a sturdier wax layer. Assuming you can line up the 
>> paper
>> accurately enough, of course.
>> 
>> Patrik
>> 
>> On Jul 30, 2016 3:58 PM, "Jake" <jake at spaz.org> wrote:
>> 
>>> Last tuesday at sudoroom I used the Phaser 8560 printer to print 
>>> circuit
>>> patterns onto pyralux material (kapton coated with copper) and then 
>>> etched
>>> them in ferric chloride.
>>> 
>>> http://imgur.com/gallery/TbzsP
>>> 
>>> the result was that I was able to make circuits very quickly and 
>>> easily,
>>> even though it was the first time i did it this way.
>>> 
>>> if other people want to etch circuits at sudoroom, I can help.  email 
>>> me
>>> if you want to coordinate.
>>> 
>>> The circuit i made was single-sided but you can do multiple layer
>>> circuitboards pretty easily, obviously, by putting these 
>>> back-to-back.
>>> 
>>> if you wanted to be even more advanced, you could use the laser 
>>> cutter to
>>> burn holes in the pyralux (assuming that works) and solder through 
>>> those
>>> holes from layer to layer.
>>> 
>>> also did i mention this material is flexible like paper?  we can make
>>> wearables, cylindrical circuits, watches...
>>> 
>>> -jake
>>> _______________________________________________
>>> sudo-discuss mailing list
>>> sudo-discuss at lists.sudoroom.org
>>> https://sudoroom.org/lists/listinfo/sudo-discuss
>>> 
>> 
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