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Re: gEDA-user: PQFP, LQFP, and TQFP in PCB



On Wed, 2004-01-28 at 21:15, Stephen Meier wrote:
> Very, very, very true!  PCB printout in ps form on a 300 pixel per inch 
> laser printout seems reasonably acurate (i haven't tried it on the 1200 
> pixel per inch color laser printer yet). If you have a sample part you 
> should be able to place it on a printout of the pattern. Then take your 
> magnifying glass and see how the device leggs line up with the pads. If 
> you have a pattern that your not sure of then let others look at it.

Be aware that some laser printers are off in scale by as much as a few
percent.  It might be a good idea to print out, say, an 8 inch square,
and measure it with a ruler, before you decide to try the above
procedure.

Carl Witty