I wanted to clarify that the drill size was .015" and not 0.15"
From: Carl Rash [mailto:[email protected]] Sent: Monday, July 02, 2012 8:39 PM To: '[email protected]' Subject: Next Grid hot key ` and the nightmare it can release I was trying the new internal dimensions out for a build on a rather large PCB (60 square inches). I am going along at an intensive clip because I need to get this thing done. I'm done, DRC passes with no problem, sweet I say to myself. Then I get my first DRC result from the PCB house, hundreds of via holes with violating annular ring dimensions. My vias were set for .025" and a drill of 0.15. The PCB house requires a .005" annular ring and some of mine were .0042 - .0043. I started a new iteration and suddenly I find that I am no longer on the 5 mil grid but I am working on a 2.5 mil grid. This is not a problem in itself but I discover that the drill file does not resolve to this accuracy and truncates some valuable information. All of the violating vias were off the 5mil grid. I do not think that there should be a hot key for something that can totally trash your layout, and if it does the drill file generating code should adapt to the smaller dimensions.
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