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  3. how to output a gerber file of drill?

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how to output a gerber file of drill?

Zhiwei Tu
Zhiwei Tu over 7 years ago

Hi All,

I am looking for a single drill file. I can find it in AD, but I can't find it in allegro.

We can get a NC drill file (I call it file1) by "Manufacture"->"NC"->"NC Drill".

Select as the following figure,and create artwork.We can also get a via file(I call it file2).

but geometrical figure in file1 and file2 are not the same - only smaller circle in NC drill(this is what I want)

when I open file1 and file2 together, I see following fig. Yellow circles are in file2(we can see more then 1 circle in each yellow figure). Blue circles are in file1.

I want to know if I can find this single drill file. If so, what should I do?

Thanks in advance.

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  • redwire
    redwire over 7 years ago

    There are two files needed.  One is "drill" which is generated as you mention above by "Manufacture"->"NC"->"NC Drill".

    That is the blue figure.  The other layer is copper which is from artwork (Gerber) output.  

    Or you can save yourself a bunch of headaches by using ODB++ 

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  • Zhiwei Tu
    Zhiwei Tu over 7 years ago in reply to redwire

    hello redwire

    Yes,I can get the blue figure in odb++ file and NC drill file.But I want a gerber file which includes drill geometrical information. 

    I output a gerber file(file1)  for via as I mention above. Only copper pad in file1.  This is too strange. Obviously gray drills can be seen.

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