High Temperature Effusion Cell
HTC
This type of effusion cell is designed to evaporate materials at temperatures up to 2000° C. A self-supported tungsten filament is used for the heating system. The hot area of the effusion cell is made entirely of tantalum and tungsten.
OPTIONS: A variety of different crucibles materials are available, as well as crucibles with various liners, and downward looking versions.
Technical Data:
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Standard: |
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Type |
HTC |
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Heating System |
Radiation heating, tungsten (self supported) |
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Temperature range |
300 °C ...2000 °C |
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Temperature stability |
>=0.1 K depending on the PID controller |
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Max. outgas temp. |
2100 °C |
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Max. power |
450 W (NW 40 CF) |
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Max. current |
20 A |
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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 / CF 100 or specified |
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Max outer diameter |
38 mm / 63mm / 100mm etc. |
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Length |
As specified |
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Thermocouple type |
Type C / WRe 5%-26% (or specified) |
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Crucible material |
PBN / PGR / W / Ta / Mo |
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Crucible capacity |
All standard sizes or specified |
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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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(PDF)