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Movimiento y calefacción en alto vacío y UHV

Multi-Centre - Analytical Stages

Multi-Centre - Plataformas analíticos

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Configurable analytical stages offering up to 5 axes of motion and options for sample biasing, heating to 1200° C and cooling to <30 K. MultiCentres can be configured to accept most common surface analysis sample holders including pucks, flags and ESCA stubs.
The MultiCentre and associated accessories provide a complete solution for sample transfer and manipulation. Typical applications include analytical instrumentation for surface analysis equipment and synchrotron end stations.
The MultiCentre range includes the XL-T Series which provides compact single bellows stages and the XL-R series which utilises dual bellows with dual-point support to provide increased stability and precision. Each series offers a full range of options including resistive or e-beam heating, temperature measurement, sample biasing/current measurement and LN2 and LHe cooling options. MultiCentres are unique in their ability to provide continuous azimuthal rotation and temperature measurement even when cooling with LN2 and heating to 1200° C.
Specifications and models are available from the MultiCentre page on the UHV Design web-site.
This miniature drive is made possible through the use of the CF10 micro flange, which has an outside diameter of just 25.4mm. The body diameter is no bigger than the flange 1" OD, which makes the MD10 ideal for rotating small instrumentation loads in applications where space is at a premium.
A full range of actuation options is available, including stepper motorisation and pnuematic actuation.
A full range of actuation options is available, including stepper motorisation and pnuematic actuation.
A full range of actuation options is available, including stepper motorisation and pnuematic actuation.
A full range of actuation options is available, including stepper motorisation and pnuematic actuation.
A full range of actuation options is available, including stepper motorisation and pnuematic actuation.
Specifications and models are available from the MD10 page on the UHV Design web-site.
Features
  • Compact and high stability, high precision stages
  • Modular stage design allows functionality to be configured to suit application
  • Innovative sample stage with ultra compact swept volume and unique range of additional stage options
  • Heating to 1200° C & cooling to <30K (with LN2 precooling to reduce LHe consumption and costs)
  • Unique ability to provide continuous azimuthal rotation and LN2 cooling
  • Flag, puck and ESCA sample compatible stages
Características
  • Compact and high stability, high precision stages
  • Modular stage design allows functionality to be configured to suit application
  • Innovative sample stage with ultra compact swept volume and unique range of additional stage options
  • Heating to 1200° C & cooling to <30K (with LN2 precooling to reduce LHe consumption and costs)
  • Unique ability to provide continuous azimuthal rotation and LN2 cooling
  • Flag, puck and ESCA sample compatible stages
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Configuration options

The modular XL-T and XL-R series of MultiCentres can be configured to meet your requirements. Choose 4-axis for polar rotation only, and 5-axis if azimuthal rotation is also required. In addition, heating and cooling can also be specified. If sample heating is required, resistive heating to 900° C and e-beam heating to 1200° C options are available. If sample cooling is required, LN2 cooling to <-150° C and LHe to <30 K options can be included.
Motion

Choice of 4 or 5 axis configurations

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4 axis (X,Y,Z,R1)

The 4 axis option provides a range of X, Y and Z movements with a magnetically coupled rotary drive providing polar rotation.

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5 axis (X,Y,Z,R1,R2)
The 5 axis option provides a range of X, Y and Z movements with magnetically coupled rotary drives providing both polar and azimuthal rotation.

Sample holder

Choice of industry standard sample holders

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Flag
15 mm (l) x 19 mm (w)

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Puck
25.4 mm (d) x 10.9 mm (h)

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ESCA stub
10 mm (d) x 17 mm (h)

Heating

Choice of resistive and e-beam heating options

Both the XL-T and XL-R range of MultiCentres can provide resistive sample heating to 900º C or e-beam sample heating to 1,200º C (typical values).
Resistive heating to 900º C
Robust self-supporting Ta foil heater, for minimum outgassing and large ratio of heated to open surface area ensuring heater longevity. The filament is also Yttria coated to provide additional robustness in oxidising atmospheres and for protection in the event of an accidental vent. Note: heating limited to 600° C with LHe option.
E-beam heating to 1,200º C
For higher temperature requirements the e-beam heating option achieves sample temperatures up to 1200°C. To upgrade to e-beam heating simply requires a change of power supply unit.
Cooling

Choice of LN2 and LHe cooling options

Both the XL-T and XL-R range of multicentres can provide LN2 sample cooling to -170º C or LHe sample cooling to 30 K (-243º C) (typical values).
LN2 cooling to -170º C
Innovative LN2 cooling module provides sample cooling down to < -150° C with continuous azimuthal rotation and temperature measurement. Typically the LN2 cooling can achieve sample temperatures to < -170° C. The LN2 circuit is routed through the hollow shaft with the coils inside the service collar to minimise the swept volume of the stage head.
LHe cooling to 30 K (-243º C)
Based on UHV Design’s own continuous flow cryostat, cryogenic temperatures below 30 K can be achieved in less than one hour.
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