I would think about taking some 1mm PCB stock to a machine shop with a 
CNC mill.  I bet they could chuck up a 1mm drill into the mill and do 
the step and repeat.  Might be somewhat expensive.

pcbfabrication.com quotes qty 12,   12x12 pcb's .032 stock, no maximum 
number of holes for $361.93 + S&H.    Of course prices will vary 
*WIDELY* with sizes and quantity.

-forrest

On 2/17/2010 3:54 PM, Bryan Bishop wrote:
> "I want to put 2500 1mm holes (not vias) in a 1mm or thinner pcb. Is
> there a pcb manufacturing service that might do this for small orders?
> Any other ideas? Right now I am doing it by hand and making very slow,
> irregular progress. ~2mm apart."
>
> ex: http://superkuh.ath.cx/users/superkuh/Library/000-Physics/Muon%20Detection/0-Thick%20Gas%20Electron%20Multipliers/thgem_drillpattern.png
>
> - Bryan
> http://heybryan.org/
> 1 512 203 0507
>    

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