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Electron Gun Assemblies


Model 102353 Electron Gun


102353 Electron Gun
  • Ø0.500" Planar cathode with 90% transparency grid
  • 2 3/4" CFF flange mount
  • 0.0064 Grid-to-cathode spacing
  • 2 Pin feedthru for cathode/heater and heater connections
  • Flange is at grid potential
  • Cathode diameter and grid transparency are user selectable
  • Further Specifications

102353 In Shipping Container

Model 101919 Electron Gun


101919 Electron Gun
  • Ø0.400" (1 cm) Planar dispenser cathode, Type 61280, with 80-85% transparency grid #102069
  • Customized SST DN63 "NECK" flange mount
  • 0.0067 Grid-to-cathode spacing
  • Convenient coaxial connections made with #102023 socket (shown in photo, below)
  • Flange is at grid potential
  • Cathode diameter and grid transparency are user defined
  • Further Specifications

102023 Socket for 101919 Electron Gun

Model HWEG-1244 Electron Gun


101244 Gun shown is sealed in its shipping/storage container.
Conflat Size 2 3/4"
Grid-Cathode Spacing (DGK) 160 microns (cold)
Emission, Typical* 3A @ EC=100V
Cathode Area 1.0cm²
Cathode Diameter Ø0.44"
Cathode Heater Voltage* 6.3V
Cathode Heater Current, Typ.* 2.2A
Cathode Type Dispenser
Cathode Lifetime** >>10,000 Hours
*Actual values are subject to anode and system configurations.
**Cathode lifetimes are theoretical and under ideal conditions.
Complete specifications

HWEG-1227 Electron Gun Specifications

Conflat Size 3-3/8"
Grid - Cathode Spacing (DGK) 160 microns (cold)
Emission, typical * 18A @ Ec=100V, .0001 Duty
Cathode Area 3.0 cm² (Ø .77")
Cathode Heater Voltage * 6.0/7.5 V
Cathode Heater Current, typ. * 8.0A @ 6.0V
Cathode Type Planar Dispenser
Cathode Life ** 10,000 Hours @ 8 Amps
100,000 Hours @ 1 Amp
* Actual values are subject to Anode and system configurations.
** Cathode lifetimes are theoretical and under ideal conditions.
Complete specifications

HWEG-1255 Electron Gun Specifications

Conflat Size 3-3/8"
Grid - Cathode Spacing 160 Microns
Emission, typical* 12A @ Ec=100V, .002 Duty
Grid Power Maximum 1.5 Watts
Grid Volts* Typical/Maximum 100/-150
Grid Amps* Maximum 50 mADC
Grid Screening Fraction 33%
Transconductance* 100-180 mmhos
Cathode Area 2.0 cm²
Cathode Heater Voltage 6.0/7.5
Cathode Heater Current, Typical 5.2A @ 6.0V
Cathode Type Dispenser
Cathode Life** 10,000 Hours @ 8 Amps
100,000 Hours @ 1 Amp
* Actual values are subject to Anode and system configurations.
**Cathode lifetimes are theoretical and under ideal conditions.
Complete specifications

Model HWEG-1079 Electron Gun Specification



Typical shipping/storage container


Optional conflat flange mount


Complete specifications

Model HWEG-1304 Electron Gun Specifications



Typical shipping/storage container


Optional conflat flange mount


Complete specifications

Model HWEG-1228 Electron Gun Specifications



Typical shipping/storage container



Optional conflat flange mount


Complete specifications

Model HWEG-1280 Electron Gun Specifications

Maximum Operating Voltage 10kV
Maximum Beam Current 30mA
Spot Size (20mm WD) 0.5-1.0mm @ 30mA, 0.1mm @ 1mA
Focus Electrostatic
Grid Voltage (Modified Pierce Electrode) -1000V (max) with respect to cathode for beam cutoff
Emitter Type Tungsten heated by electron bombardment (7mA @ 2kV, filament approx. 1.4A @ 4V, emission regulated) Field replaceable
Emitter Life Better than 2000 hours
Vacuum Requirement 1 x 10-6 Torr or better
Electrical Feedthrough Ceramaseal P/N 807B12867-05-CF
Flange 2.75" Diameter CFF
Complete specifications

Hollow Cathode Plasma Sources

  • Ion Beam Neutralization
  • Surface Charge Control
  • Electron Filament Replacement
  • Electron Enhancement of Magnetron and Diode Discharges
  • Arc Discharge Generators
Complete specifications
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