Valved Cracker Effusion Cell
V-CRC
The CreaTec valved cracker cell combines the evaporation and cracking of elements like P,S, As,Se,Te, etc., with a valve to reproducibly control and rapidly change the beam flux over more than two orders of magnitude. The valve is located at the orifice and is heated to prevent any condensation of material.
Technical Data:
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Standard: |
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Type |
V-CRC |
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Heating System |
Radiation heating, tantalum wires with PBN insulators |
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Temperature range |
100 °C ...800 °C
bulk zone |
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Temperature stability |
<=0.1 K depending on the PID controller |
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Max. outgas temp. |
1200 °C Effusioncell
without crucible |
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Max. power |
220 W bulk zone |
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Max. current |
8 A bulk zone |
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Integral valve |
manual |
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Bakeout temperature |
250 °C |
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Conditioning |
Heated to maximum temperature with and without crucible |
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Shipping |
Stainless steel container with valve |
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Custom: |
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Flange size |
CF 40 / CF 63 or specified |
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Max outer diameter |
38 mm / 60 mm or specified |
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Length |
As specified |
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Thermocouple type |
Two independent thermocouples type C / WRe 5%-26% (or specified) |
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Crucible material |
Ta / quartz |
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Crucible capacity |
80 ccm ... 500 ccm |
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Options: |
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Integrated shutter |
Optional |
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Water cooling |
Optional |
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Other dimensions |
As specified |
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Downward looking |
Optional |
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(PDF)