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Convert PDF to Gerber and NC Drill formats
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Jan 20.2016, 14:40:29
Converting PDF to Gerber
The PDF and Gerber file formats are very similar. PDF commands move a pen from point to point, drawing lines and changing stroke weights. Similarly, Gerber commands move a photoplotter head around a circuit board, exposing lines and changing apertures. The concept is the same but the grammar is different.
For example, the PDF command “350 450 m” moves the pen to coordinate (350, 450). The Gerber equivalent is “X350Y450D02”. “.5 w” changes the PDF stroke weight; “G54D10” changes the Gerber aperture.
Converting PDF to NC Drill
An NC (aka Excellon) Drill file specifies drill coordinates and diameters for the circuit board. some pdf pcb design represent each drill hole as a solid white circle placed atop the corresponding solder pad (a solid black circles).
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Jan 18.2024, 22:37:36
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