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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: 
.
Klick


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






 Difference in the chemical process: 

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



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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.
Leiterplatte 1

And done
Leiterplatte 3

somewhat enlarged
Leiterplatte 4

complete view
Klick

Fitted from above
Klick



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



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




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