At 11:27 AM 5/12/2006, Brad Velander wrote:
>Steve,
>         Seems that you have to pick on the obvious! A another 
> method mentioned would also suffer the same fate (i.e. compositing 
> Gerber outputs during Gerber generation).

Not necessarily. It was assumed that these Mech Layer copper tracks 
were part of a footprint, which included copper layer keepouts. The 
keepouts would generate DRC errors if there were copper there that 
could be shorted by the added copper from the Mech layers.

There are lots of ways to do it. A good way will automatically 
maintain itself, with any error creating a DRC message. I mentioned 
the Mech Layer/Photoplot Merge solution because it is a general 
method that sometimes is easier. Doing it without the keepouts would 
have the hazard mentioned. 


 
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