MPX-16 census

[Gordon JC Pearce]

der Mouse wrote:
>>I've never heard of anybody making more than double-sided PCBs at
>>home (I would love to be proved wrong!).
> 
> 
> I can't *prove* you wrong.  But I've spoken with someone who claimed to
> have done it, and when I started asking questions, talked a good enough
> line that I found it believable.  As she described it, you need
> epoxy/fibreglass mix, which you cast a thin sheet of.  You then sand it
> smooth, copper-plate it, and etch.  Slap on another coat of epoxy and
> fibreglass, let it cure, sand it smooth, copper-plate, and etch.
> Lather, rinse, repeat.
> 
> The hard part is of course quality control (and plated-through vias,
> which you can get somewhere with by drilling holes before doing the
> last copper-plating).  And registration of the layers.  But with
> patience and attention to detail...after all, anyone doing this is
> considering time to be worth a great deal less than money, or the job
> would simply be shipped off to a commercial pcb fab house. :)

It's the sort of thing I can see our Mr Duell doing though.

Gordon.