Miniature Electron Gun Model G10; Power Supply Models Lps075-D And Lps300-D - OCI BDL800IR Instruction Manual

2.2 Miniature Electron Gun Model G10

Beam Energy
Beam Current
Beam Size
Electron Source
Dimensions
2.3 Power Supply Models LPS075-D and
LPS300-D
Beam Voltage
Filament Current
Wehnelt Voltage
Focus Voltage
Retarding Voltage
Screen Voltage
Emission Current
Beam Current
Monitoring
Display
On-Board Automation
8 Chapter 2 Specifications
LEED: 5 to 750 eV
AES: 5 to 3000 eV
LEED: 2 μA at 100 eV
AES: up to 100 μA at 3 keV
Adjusted by a potential of the Wehnelt cylinder typically
ranging from 1 mm to 250 μm, minimum of 50 μm using an
exchangeable aperture.
Thoriated (2%) tungsten filament (standard) or directly
heated LaB single crystal.
6
Lens diameter of 10 mm and 80 mm in length.
LPS075-D: negative 0–750 V
LPS300-D: negative 0–3000 V
0–3.2 A
0–37 V with respect to the filament
LEED: positive 70–180% of the beam voltage
AES: negative 0–3000 V
Negative 50–110% of the beam voltage
Positive 0–5000 V
1–200 μA
0.01–200 μA
All voltages and currents.
Vacuum fluorescent, displaying all voltages, currents, and
program functions.
5 pre-programmed and fully programmable operating pro-
grams for outgassing, stand-by, filament forming, beam