I think the gap between entities suggests the gap between edge features
on each entity, not between centers. 

While the entities MAY be touching within the virtual world, etch-back
at the real-world board-house may mean that what you thought was an
electrical connection becomes an open circuit.


> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] 
> Sent: Wednesday, May 12, 2004 11:12 PM
> To: [EMAIL PROTECTED]
> Subject: [PEDA] "0 Gap" Means Touch or Not?
> 
> Dear Members,
> 
> P99SE, The gap between a track and a via is exact 0, DRC does 
> not show this issue, obviously, It consider the track and the 
> via is connected. Verify the gerber with IPC-D-356A netlist, 
> also does not find this issue, But on the finish board, the 
> track and the via is broken. So I got a question as topic, 
> Does anyone have a good idea to find this problem, except 
> much more carefulness during design. Thanks.
> 
> Best Regards,
> Luo.
> 
> 
> 


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