EF 40C1蒸發源（Knudsen池）是一種設計用于間接電阻加熱并提供高度恒定蒸發速率的源。定制插入長度114-380毫米（根據要求提供其他長度）。
特性
極其穩定的通量率
各種坩堝材料
高度可重復性和可靠性
適用于任何MBE系統
無鉬結構（允許高放氣溫度）
整體水冷
選項
定制插入長度
有或沒有集成手動/電動氣動快門
線性移位
坩堝
C或K型熱電偶
技術參數
| Mounting flange | DN 40CF (rotatable) |
| Heater | W wire (tungsten) |
| Temperature range | EF 1500 °C? (~250 °C – 1500 °C, 1600 °C for degas) EF 1200 °C? (~250 °C – 1200 °C) |
| Temperature stability | ± 0.1°C |
| Crucible type (option) | PBN, Al2O3, Quartz (other materials on request) |
| Crucibles volume | 5cc |
| Evaporated materials | All typical materials according to?crucible type |
| Thermocouple type | EF 1500 °C? – type C (standard) EF 1200 °C? – type K (option) |
| Degassing temp. | 1600 °C |
| Type of shutter | side or flip type, manual or pneumatic |
| Water cooling (required) | water flow: > 0.5 l/min, temperature: 20 – 30 °C, max pressure: 6 bar |
| Insertion length | min. 114mm (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 |
