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| Countersink/ Counterbore Padstacks | 
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| tatets   Active User   Joined: 22 Jul 2013 Status: Offline Points: 29 |  Post Options  Thanks(1)  Quote  Reply  Topic: Countersink/ Counterbore Padstacks Posted: 13 Sep 2015 at 5:39pm | 
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   How do you define/create countersink or counterbore NPTH padstacks? Do we have a design rule or standard like placing regular pads or anti-pads or keepouts?
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| Tom H   Admin Group     Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5949 |  Post Options  Thanks(0)  Quote  Reply  Posted: 14 Sep 2015 at 10:12am | 
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Many PCB Design tools do not have a countersink hole in the pad stack.  You need to call this out in your Fabrication Drawing as a Flag or Note.  | |
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