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August 2008


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3kW Rod-Fed e-Gun

3kW Rod-Fed e-Gun


3kW Rod-Fed e-Gun (shown with feedthroughs)

The operation of the 3 kW rod-fed e-Gun is unique. The evaporant source material, in the form of a rod up to 3/8” in diameter, is fed continuously into the crucible using an external linear feedthrough. Film thickness may be controlled using a rate monitor.

The e-guns are available mounted on various flanges.

UHV Compatible
Metal-sealed, fully UHV compatible, measured base pressure: 2 x 10-11 Torr.

Mounting and Configurations

  • The 3kW rod-fed e-Gun may be mounted and operated in any orientation, including upside down (which is material dependent)
  • The rod-fed e-Gun shown in the photo on the right can fit through a 2.5” O.D. tube
  • An optional cryoshroud to surround the e-Gun is available
  • Multiple rod-fed e-Guns can be mounted side-by-side
  • Custom designs are available, please consult the factory

Knudsen Cell Replacement
e-Guns can evaporate difficult materials, ie.: carbon, niobium, and silicon.

A rod-fed e-Gun, complete with all the necessary utility and mechanical feedthroughs, installed on a 4.5” O.D. ConFlat® mounting flange, is available as a direct replacement for existing Knudsen Cell furnaces on Varian/Intevac, Perkin-Elmer, Riber, EPI and VG systems.

Please call to discuss your specific application requirements.

Specifications

Operating Pressure Below 5 x 10-5 Torr is desirable for best operation; fully UHV compatible design
Beam voltage 4,000 V
Beam current 0-750 mA
continuously variable
Maximum power 3 kW @ 4kV
Cooling water 1/2 gpm
Maximum bakeout
temperature
230°C (446°F)
Feedthrough
requirements
Two 7 kV 50 A
Crucible volume 1/4” or 3/8” dia rod
e-Gun size 2.25” dia x 2.95” L

Mounting Configurations

Each e-Gun is available in three standard mounting configurations:
  1. e-Gun mounted on a PyraFlat or ConFlat metal-seal type flange, which uses a standard OFE copper gasket
  2. e-Gun with a 1" diameter bolt-type mount, which mount through a 1" diameter hole, and is sealed by a compression O-ring
  3. e-Gun alone with no mounting flange

Please specify the mounting configuration at the time the order is placed; the prices listed may not include the bolt-type or flange-type mount.

Other mounting flanges, configurations and geometries are routinely supplied, please call the factory for further information.

Ordering Information

Model No. Description Price
RCRF0325 Rod-fed e-Gun only $4,200*
RCRF0325/SK Rod-fed e-Gun with all utility, electrical and mechanical feedthroughs $9,500*
*Please note: The price shown is an estimate provided for budgetary purposes. Actual price may be lower or higher, and is dependent upon mounting configurations, system geometry, and utility requirements. Please contact the factory for further information.

For further information also see:
Power Supplies
Controllers
Accessories
Crucible Liners


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