波蘭 PREVAC Double filament effusion cell EF 40C1DF 雙燈絲蒸發(fā)源EF 40C1DF

EF 40C1DF雙燈絲蒸發(fā)源是一個(gè)有兩個(gè)獨(dú)立操作的長燈絲的源,在蒸發(fā)過程中更方便。定制插入長度至少為325毫米(可定制其他長度)。

特性

雙燈絲源操作
操作模式:串行、并行、熱唇、冷唇
極其穩(wěn)定的通量率
各種坩堝材料
高度可重復(fù)性和可靠性
適用于任何MBE系統(tǒng)
無鉬結(jié)構(gòu)(允許高放氣溫度)
整體水冷
C型熱電偶

選項(xiàng)

定制插入長度
有或沒有集成手動(dòng)/電動(dòng)氣動(dòng)快門
線性移位
坩堝

技術(shù)參數(shù)

Mounting flangeDN 40CF (rotatable)
HeaterW wire (tungsten)
Temperature range250 °C – 1400 °C
Temperature stability± 0.1°C
Crucible type (option)PBN, Al2O3, Quartz (other materials on request)
Crucibles volume5cc (other volume on request)
Evaporated materialsGroup III-V MBE all typical materials (e.g. Ga, In, Al, Si, Be, Cu, Ag, Au, CaF2)
Thermocouple typetype C
Degassing temp.1450 °C
Water cooling (required)water flow: > 0.5 l/min, temperature: 15 – 30 °C, max pressure: 6 bar
Insertion lengthmin. 115 mm (other on request) OD: 35 mm
Spot sizeDependent on working distance
Working distance100 – 150 mm
Bakeout temperatureup to?250 °C
Working pressure< 10-5?mbar

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