Vacuum feedthrough

. woensdag 14 september 2011
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The old and big second hand pillar drill works great! Although drilling a 40mm (for the viewport) hole through 20mm aluminum does make the 800W motor a bit warm.
I've also mounted 2 times high voltage (20kV) feedthrough for the octavio core, one 4-pole mid-voltage (4kV) feedthrough for the focus coils. Still have to mount two times low voltage 8-pole feedthrough for the electron guns.
For the current through the core I will use batteries, the batteries can have the same potential (+12kV) as the core, this will simplify building the octavio core.

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