Page 101 - CNC Robotics

CNC Robotics

Go over the areas a coup le of times to make sure the copper is well
protected. After lookin g for missing toner, check the holes in th e
pads and remove any residual paper by gently scratc hing it w ith a
kni fe tip or a pin (see Figures 3.22 and 3.23).
Etching the copper out of the pad holes makes dril ling a lot mor e
pleasant. It's han dy to use a magnifying glass for the inspection
and touch up.
Figure 3.22

Paper in hole.

Figure 3.23
Scratch it out .

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