UITF Wien Filter
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Steps for building Wien filter:
1. Fabricate coils, magnet (1010 steel), nickel (alloy 200) magnet mirror, vacuum chamber 2. Anneal nickel 3. Assemble magnet with end flanges (if possible) 4. Measure magnetic field profile (average a few passes) on centerline 5. Cut electrode profile to match magnetic profile 6. EP electrodes 7. Assemble with electrodes