Electron Gun
Brand:
Category:
FEATURES:
- Miniature Lens Design
- Variable Beam Diameter
- Variable Beam Energy
- Low Outgassing Rate
- Flexible Mounting Configuration
Technical Features
- Beam Energy: Low Energy Mode (LEM): from 5eV to 750eV
- High Energy Mode (HEM): to 3000eV
- Beam Current: LEM: 2µA at 100eV and 0.5mm beam size
- HEM : up to 80µA at 3keV
- Beam Size: Adjusted by potential of Wehnelt cylinder from 1mm to 250µm and limited by exchangeable aperture down to 5µm
- Electron Source: Thermally emitting tungsten-rhenium filament, directly heated single crystal LaB6 filament optional
- Energy Spread: 0.45eV for Tungsten filament, 0.25eV for LaB6 filament
- Beam Deflection: X-Y, two pairs of independent electrostatic deflection plates - optional
- Overall Sizes:10mm lens diameter and 80mm length
- Mounting: unmounted or mounted on 2 3/4" CF with Mu-metal shielding
- Target Distances: from 40 to 60mm of the end of the gun
- Filament Light: below 0.01lux protection against escaping the filament light ( back and side gun lenses)