Low Temperature Effusion Cell

EF 40LT1 Low Temperature Effusion Cell (Knudsen Cell) is designed for highly constant evaporation rates in lower ranges of temperature.

Custom insertion length min. 325 mm (other on request).

Power supply operated by completely intuitive touch screen with dual-mode heating (resistive and electron bombardment) and high efficiency.

Other Features

Features

Options

Low Temperature Effusion Cell EF40 LT1
Mounting Flange	DN 40CF (rotatable)
Heater	W wire (tungsten)
Temperature range	100 °C - 1000 °C
Temperature stability	± 0.1°C
Crucible type (option)	PBN, Al₂O₃, Quartz (other materials on request)
Crucibles volume	5cc
Evaporated materials	High vapour pressure and organic materials (e.g. As, Sb, Ba, Bi, K, Li, Mg, Ca, CdSe)
Thermocouple type	Type C
Degassing temp.	1100 °C
Water cooling (required)	water flow: > 0.5 l/min, temperature: 15 - 30 °C, max pressure: 6 bar
Insertion length	min. 325 mm (other on request) OD: 35 mm
Spot size	Dependent on working distance
Working distance	100 - 150 mm
Bakeout temperature	up to 250 °C
Working pressure	< 10^-5 mbar