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question about Gerber D code

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winglj

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Hello, everyone. Happy New Year.

I have a question about the Gerber file D code format.

If I have a PCB with 0.6 mm trace and 0.4 mm radius via, how can I define the D code in Gerber file for round or rectangular aperture usually?

And what's the polarity of D code? Thanks
 

cyberrat

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Have a look at this doc for info on the Gerber system.

That should help.

Or perhaps google for barco & rs274 & gerber and somewhere you will find more info.

some more info available here.

Roland.
 

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