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A ridge left on the outside copper surface after drilling.

PCB Glossary

  • Files: Gerber

    Our Industry standard format for files used to generate artwork necessary for circuit board imaging. MCL’s preferred Gerber format is 274X, which embeds the apertures within the specific files (see Aperture information). If files are not saved in 274X, MCL will need “One” aperture list sent with the files.