This effusion cell is specially designed for the evaporation of gallium, indium, copper etc. Special measures are taken to prevent material condensation at the crucible orifice. An additional heating system with a separate thermocouple is installed at the top end of the crucible. Using two control circuits, this allows the adjustment of the orifice temperature (HOT-LIP Design) independenly of the bulk material temperature.
OPTIONS:
Technical Data:
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Standard: |
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Type |
DFC |
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Heating System |
Radiation heating, tantalum wires with PBN insulators |
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Temperature range |
200 °C ...1400
°C bulk zone |
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Temperature stability |
>=0.2 K depending on the PID controller |
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Max. outgas temp. |
1600 °C bulk zone |
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Max. power |
360 W bulk zone |
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Max. current |
12 A bulk zone |
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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 |
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Max outer diameter |
38 mm |
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Length |
As specified |
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Thermocouple type |
Two independent
TC's |
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Crucible material |
PBN / PGR / W / Ta |
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Crucible capacity |
5 - 39 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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Crucible with insert |
Optional |
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Downward looking |
Optional |
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