I don't know this stuff, but it seems it has very low (no) adhesion to the base
material and, therefore, will not be useful as a resist.
if you are 'drawing' the board, why use this stuff instead of a simple ink or
paint as resist? the CNC would work as a flatbed plotter...
--- Brian Gracia <
bgracia1@...> wrote:
> Hello,
>
> I just joined this group because I am getting back into
> electronics. I was using my Google Fu to search the web on how a
> hobbist can do smt boards at home. While searching, I came
> across some companies that showed small cnc machines like the router
> type that had a small needle in place of the router. The machine
> deposited various liquids on the boards like solder paster and
> silkscreen paste and epoxy encapsulation resin.
>
> My question is has anyone tried this method with photoreactive
> resin? They use it to make stamps for scrapbook images amoungst
> others. Here is a link: http://www.granthams.com
> He sells kits. Their are other sites on the net where you can
> purchase this resin.
>
> I have not built my cnc machine yet, I do have the electronics and
> motors from HobbyCNC built. I am in between jobs so held off to make
> the money last. I was thinking about putting this stuff in a syringe
> with a small needle, where the point had been machined flat, and
> using a cnc to deposit a small thin layer on the board. Then all you
> should have to do is stick it under light. Etch and then use a
> plastic brillo pad to remove the rubber.
>
> Brian G.
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