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Custom Made Fast Pump Down Dock with LN2 Dewar UHV Booster CF40

Product code: VSCTDH40CUST

The VSCTDH40 transfer chamber enables the exceptionally fast transfer of a sample from a portable UHV-Suitcase into the UHV-System. Vacuum in the transfer chamber is created using a turbo pump as well as a cryogenic pump. Thus a sufficient vacuum is established within approximately 30 minutes, as opposed to 24 hours when baking out the buffer volume conventionally. The turbo pump is not part of the product.

Using the VSCTDH40(WT) for fast transfer, bakeout is not required. This has the additional benefit of the UHV-Suitcase not heating up along with the transfer chamber, which would negatively influence the vacuum inside the suitcase.

Developed in collaboration with the Nanoscale Science Department of the Max-Planck-Institute for Solid State Research, Stuttgart.

Specifications: Custom Made Fast Pump Down Dock with LN2 Dewar UHV Booster CF40

  • fully UHV compatible materials
  • turbo pump not included
  • incl. gatevalve DN40CF

download drawing (pdf)
download 3D-model (stp)
download manual (pdf)

1x UHV Booster CF40 dewar version with heating coil and temperature sensor

Product code: CTDH40

  • LN2 filling volume: ~0.5lt
  • dewar vacuum isolated
  • plastic lid included
  • heat exchanger: Aluminium cooling blocks with OFHC core
  • pumpdown time (with VSCT40): approx. 30 minutes to a pressure of around 1E-8 mbar
  • cooling temperature cryo trap: 80K
  • built-in resistive heater for quick warm up
  • Pt100 temperature sensor
  • 6-pin miniature feedthrough
  • mounting flange: DN40CF (2.75")
  • feedthrough flange: DN16CF (1.33")
  • incl. thermal insulating sleeve and cover
  • fully UHV compatible materials

Note: Cable with connector for cold trap heater must be ordered separately: CABCTH40HT4M

download drawing (PDF)
download 3D file (STEP)
download manual (PDF)
pin layout

This product contains the following under-products:

  • 1x VSDOCK40 - Docking Kit for NexGeneration UHV Suitcase with Chamber, Gatevalve and Screws

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