Put the board in cold water and let soak for five ... Drill large mounting holes with a normal drill. PCB drill bits are carbide and made to drill through fiber glass that would quickly dull ...

The nice thing about creating a perforation line (or “mouse bites”) is that drill hits are a very normal ... to the board edge (as shown above) isn’t the prettiest, but keeps PCB edges ...

In February 2017, I wrote a column titled “ An Afternoon with Naka ” in which Hayao Nakahara (or Naka to his friends) – a true PCB veteran embarking on his 60 th year in the industry – described the ...