Gerber File Guide Lines

The following table indicates the suggested format for gerber files. Should you require more specific information with regard to exporting the gerber files, please contact us directly and we will gladly assist.

Format Name Settings Details Note
Gerber RS274X 2:4 Zero suppression None Absolute Imperial (Inches) Contains the embedded aperture list Recommended
Gerber RS274D 2:4 Zero suppression None Absolute Imperial (Inches) Separate aperture file needs to be submitted
NC Drill File Excellon Format (Inches)
*.drl extension Recommended

The following files need to be submitted in order for us to manufacture your printed circuit board:

No: Name Description
1. Drill Drawing Contains graphical symbols and a drill tool size table (this file is not needed if an NC file is submitted)
2. NC Drill File Contains a drill program for cnc machines
3. Top Silkscreen * Contains the component outlines and/or values
4. Bottom Silkscreen * Contains the component outlines and/or values
5. Top Solder Mask * Contains areas where the solder mask ink should not cover
6. Bottom Solder Mask * Contains areas where the solder mask ink should not cover
7. Top Layer * Contains the track layer and pads/vias for the top layer
8. Bottom Layer Contains the track layer and pads/vias for the bottom layer

* optional depending on your printed circuit board requirement.
All layers are viewed from the top of the printed circuit board, do not mirror layers.

All layers must be checked with a gerber viewer before submitting them for production, visit the client area for a gerber viewer.

An example of how the gerber files typically appear in a gerber viewer are indicated below:

Gerber examples