copper CAM software for double side pcb
Fabrication Process.
Open the software then choose File →Open →New circuit (for top layer).

Then select the
File →Open →Additional layer and add “Gerber_ Bottom Layer .GBL” file for bottom side then add the drill file “Drill PTH Through .DRL” for Drills from the Gerber files which you have generated.
Do not choose anything for Component Side.
After opening the file, it will look like this:
Now choose,
File→ Dimensions. Give the values as shown in the figure and choose OK.
A warning dialog box will appear once you choose OK in that select NO option.
Next choose,
File →Origin. Make changes as shown in the figure and choose OK.
Next choose,
Parameters →tool library. Make changes for 0.8 Endmill as shown in figure.
In the same dialog box do changes for 0.2 Conical Engraver as shown in the figure then choose
OK (you can edit the tool parameters here ).
Next choose,
Parameters →Selected tools. Make changes for as shown in figure.
Next choose,
Machining →Card contour Cut whole card (Choose only if cutting layer is not added).
Then go to Calculate contours as shown in the figure.

A set contours dialog box will appear in which specify the values as shown in the figure and
choose Ok. Just after the contours in the right side a hatches option is present which removes the excess
copper in copper clad
.

Note: By using 0.2 mm conical engraver we can engrave 0.1 mm of track width and the difference between the two adjacent track must be greater then 0.3 mm.