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Manufacture of printed circuit boards:   Isolation milling   (isolating conductors)

 For a milled PCB isolation, a narrow isolation channel is exposed to the conductors of copper: 




Software  Isolations milling     Sprint Layout   ➔   SL2M3   ➔   Mach3     (Website & Programm WIN) 

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 Difference in the chemical process: 

 Wherein an etched printed circuit board all the not required copper is removed, only the conductor tracks are present: 





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Some images produced by isolation milling of printed circuit boards

Here the milling, isolation routing.
Is then drilled and outline milled.


And done


somewhat enlarged


complete view


Fitted from above




And onother one. As you can see, traces are still possible between two IC contacts (2,54 mm).




This is a 2-Power Supplies-board, this time scanned. Here were milled slots for the heatsink mounting with equal.





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