LTEC

Low Temperature Effusion Cells

Suitable for the evaporation of high vapour pressure materials and of organic materials
Temperature range from 80 °C to 400 °C / from 300 °C to 700 °C
Extremely stable flux rates
Various crucible sizes and crucible materials
Various filament configurations

The low temperature effusion cells are dedicated to the evaporation of high vapour pressure materials and of organic materials.

Reliable, compact and robust cell design
Cleanest operation in UHV systems
Excellent temperature stability (± 0.1 °C)
Optimized low temperature cell with two standard temperature ranges from 80°C to 400° C or from 300 °C to 700 °C
Standard, hot lip, cold lip and dual filament configurations available
Standard crucible sizes: 2 cc, 5 cc, 10 cc, 35 cc, 60 cc
Standard crucible material: PBN (pyrolytic boron nitride)
Other crucible materials: Al₂O₃, BeO, Tungsten, Pyrolytic Graphite(PG) or Quartz
Effective water cooling around the cell protects both the vacuum chamber and the port tubes and avoids heating up by thermal radiation
Compact version with cooling shroud and integrated shutter on a DN40CF (2.75” OD) mounting flange and 10cc crucible capacity; ideally suited for small research surface analysis systems
Large size effusion cell with crucible capacities up to 200 cc and with separate cooling shrouds available
Modified low temperature effusion cells for reactive low pressure gas atmospheres (e.g. O₂, N₂, NH₃) are available on request