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Ultra-Low-Temperature and Low Liquid Helium Consumption 6-axis Manipulator

Ultra-Low-Temperature and Low LHe Consumption 6-axis Manipulator



SPECIFICATIONS:

 

Temperature range:

Lowest sample temperature for closed cycle cryostat below 5K.

Sample heating facility up to 400K.

 

Liquid Helium consumption:

About 1 L/hour at lowest temperature.

Below 0.5 L/hour above 10K.

 

Angular motion range:

Polar rotation via differential pumped rotary platform, I.D. 100mm.

       Range: ±180°

       Resolution: <0.1° motorized

       Backlash*<0.1°

 

Tilt rotation

Range: 60°(-15°,+45°)

Resolution: <0.1° motorized

       Backlash*<0.1°

 

Azimuthal rotation

       Range: 180° (-90°,+90°)

       Resolution: <0.1°manual

       Backlash<1°

 

       *:backlash after software correction.

 

Translating motion range:

X and Y movement

       Range: ±12.5mm

       Resolution: 0.01 mm motorized

 

Z Movement

       Range: 500 mm, I.D.>=100mm

       Resolution: 0.01 mm motorized

 

Motorization:

Stepping motors for x,y,z-movement, polar, tilt rotation with optical encoders, industrial power supply, PC-compatible motion software.

Software integration for VG SCIENTA and SPECS energy analyzers.

 

Mechanical specification:

Mounting flange DN 160 CF.

Max. bakeout temperature (without stepping motors) 200°.

Weight: ca.45kg.

 

UHV Cryostat

Designed for experiments in ultra-high vacuum, including the following components:

Customized DN 100 CF flange with mechanical and electrical feedthroughs.

One 10-pin UHV electrical feedthrough.

Internal 50 ohm control heater and provision for temperature sensor.

Temperature sensor: two silicon diode temperature sensors installed at sample stage and  cryostat.

SuperTran continuous flow liquid helium transfer line, with 72” long flexible section, 58” long storage Dewar leg, helium flow control valve on cryostat side leg.

Spare transfer line with needle valve on the storage Dewar side.

Control heater Model 331S temperature controller with cable to cryostat.

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