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Oxygen resistance option of the SH substrate manipulator
Substrate temperatures up to 700°C with Ni-alloy heater; up to 900°C with noble-metal-alloy heater
up to 900°C with SiC heater depending on oxygen partial pressure
Pressure range from UHV up few mbar oxygen
Water cooled ceramic bearings for continuous rotation
Substrate sizes up to 6 inch
MBE-Komponenten GmbH offers ovens, deposition stations or heated stations which are resistant to oxygen or other reactive gas atmosphere. The oxygen resistant option is indicated by the affix "-O".
Selected shielding and construction materials are used for high temperature applications in oxygen rich environments. Maximum substrate temperatures of 700°C are possible using Ni-alloy heaters. Noble-metal-alloy heaters and SiC heaters work for even higher substrate temperatures of up to 900°C or in some cases even 1000°C depending on the oxygen partial pressures during operation.
Due to the wide range of different applications and processes in oxygen rich environments a general recommendation of heater and construction materials is difficult. Please contact our specialists for more detailed recommendations to your specific application.
The specifications and options for the SH-O substrate manipulators are almost the same as for our SH models. They are:
4" Substrate heater with free-standing noble-metal-alloy wire
4" Substrate manipulator with SiC heater
SH-O substrate manipulators are used in oxygen rich environments (up to several mbar) or reactive gas atmosphere.
Attention:
Special care must be taken when compounds are operated at high temperature and high pressure. In case of pressures above 10-4 mbar the thermal conductivity of gases has significant effects to heat transfer from heater to sample. It is strongly recommended to contact our specialists when planning your application.
Technical data |
|
Heater type | Ni-alloy wire (Ni) or noble-metal-alloy wire (Pt), or SiC heater (S) |
Thermocouple | Chromel/Alumel (type K); (others on request) |
Wafer temperature | max. 700°C with Ni-alloy heater, max. 900°C with noble-metal-alloy and SiC heater |
Bakeout temperature | 250°C |
Electrical contacts | copper-free contacts for metal heater |
Linear travel | 25 mm standard, 30-50 mm on request |
Options | integrated main shutter (S), electrically insulated wafer holder with additional feedthrough for bias voltage (B), tantalum wafer holder (T) |
Schematic drawing of the Substrate Manipulator SH-O
drawing shows
SH-O 150-2W25-S)
For general information on CF mounting flanges see Flange and Gasket dimensions.
The following list provides suggestions for related products. For additional product suggestions or more detailed information, please contact us.
Components
Wafer Heater / Sample Heater / Heated Stages WH |
Accessories
Cooling Shrouds CS | Quartz Crystal Monitor QCM | Programmable Manipulator Control Unit PMCU |
Systems
OCTOPLUS 300 | OCTOPLUS 400 | OCTOPLUS 500 |