PREVAC | Technology for science and industry 11.11.2026 00:44
Low temperature effusion cell EF 40LT1
EF 40LT1 Low Temperature Effusion Cell is designed for highly constant evaporation rates in lower ranges of temperature. Custom insertion length min. 325 mm (other on request).
Technical data
| 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 (other volumes on request) |
| Evaporated materials | High vapor pressure and organic materials (e.g. As, Sb, Ba, Bi, K, Li, Mg, Ca, CdSe) |
| Thermocouple type | type K |
| Degassing temp. | 1100 °C |
| Water cooling (required) | water flow: > 0.5 l/min, temperature: 15 – 30 °C, max pressure: 6 bar |
| Insertion length | min. 115 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 |
Features
- Evaporation temperature range: 100 °C – 1000 °C
- Extremely stable flux rates
- Various crucible materials
- Highly reproducible & reliable
- Suitable for use in any MBE system
- Mo free construction (allows high outgassing temperatures)
- Integral water cooling
- Thermocouple type K
Options
- Customised insertion length
- With or without integrated manual/electro-pneumatic shutter
- Linear shift
- Crucibles