Homebrew PCBs

DJ Delorie has made a 4-layer board this way. Search on his name on this site -- or maybe he'll chime in.

--- In Homebrew_PCBs@yahoogroups.com, Chris Kleeschulte <laconia@...> wrote:
>
> I have been using the "thinner" .032 PCB blanks for a while now and I have a
> love/hate relationship with them.
> 
> 
> pros:
> 
> * easier to run through my H220 TIA laminator
> * easy to cut (this is key)
> * easier to drill for through-hole boards and mounts
> * lighter
> 
> cons:
> 
> * a bit flimsy
> * can torque and possibly break the boards with little effort
> 
> 
> Question to the group:
> 
> Is it feasible to use 2 one sided .032 boards and glue them together? Or
> even created some sort of 4 sided PCB using glued .032 boards? For the
> 4-sided boards the vias would need to be plated, but had anyone attempted
> this?
> 
> This would double the amount of holes you would need to drill out, but I try
> to stay in the SMD world nowadays.
> 
> 
> The challenge, it seems to me, would be the alignment of the via and part
> holes.
> 
> Currently, I hold the board up to the desk light for alignment, but this
> would not work if you had 2 pcbs. Maybe I could cut both pcbs about the same
> size with my paper cutter (close to the exact same size, but it wouldn't be
> perfect), then make each board, centering the pcb image as close as I can.
> Then, drill the pcbs, and then apply glue and simply line up the holes using
> the desk lamp. Then carefully sand down the edges until the entire edge is
> flush.
> 
> Am I crazy or is this possible?
> 
> It seems to me that we all would prefer to work with thinner boards, but a
> have thicker board as a finished product?
> 
> 
> thanks!
> Chris
> 
> 
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>