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Footprint Origin |
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wizare2019 
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Joined: 22 Sep 2020 Status: Offline Points: 2 |
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 Topic: Footprint OriginPosted: 22 Sep 2020 at 7:32am |
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Is there a IPC-7351 standard for Footprint Origin? Please help me!
I see the PCB Library Expert Tools always chooses the center of Footprint to set Origin. But, I am confused is it the IPCB standard? |
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Tom H
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Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5716 |
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Posted: 22 Sep 2020 at 8:01am |
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Library Expert allows you to set the origin anywhere you want.
The default is Centroid (center of gravity) because that's what the Assembly "Pick & Place" machines use. There is no IPC standard for the origin of the footprint. Use common sense for DFA. |
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