Hey Mike,
As forture might have it, many CAD mfgrs use .pcb for their files.  Just
for a few:  Zuken Visula, Pads Power-PCB, ACT CAM-350 and derivatives.
If it is truly a CAM file, then CAM-350 might be the one.  You can get a
shareware copy of PC-Gerber II to try and view it at
http://www.ecam.com/index2.html
The demo copy is only good for 8000 Gerber elements.  They may let you have
a temp 30 eval license if the file is in fact a CAM-350 file.
Rgds,
Roger M. Stoops, C.I.D., PCB Designer


Spectra Precision Inc./Trimble Navigation Ltd.
5475 Kellenburger Rd.
Dayton, OH 45424-1099 USA
Ph: 937.233.8921 or 937.233.4574 ext 288
Fax: 937.233.7511

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