UHV Magnets

UHV Magnets

Scientific Magnetics are world leaders in the design and manufacture of UHV compatible magnets for surface science applications.

Our solenoid and split-pair magnets are conduction cooled and can be designed into customers unique systems.

Features/Benefits:

  • Vertical and horizontal sample access

  • High homogeneity and stability

  • Low current magnet design to minimise heat load

  • Magnet supplied with HTS current leads

  • UHV magnet can be baked to 90 Centigrade

  • Low remnant field magnet design

Below is an example of the specification for a 3T Split Pair magnet though this can be adapted and tailored to a customer’s specific requirements with the advice and assistance of our knowledgeable team:

Specification

5T Solenoid

7T Solenoid

3T Split Pair

5T Split Pair

Main Field

5 Tesla

7 Tesla

3 Tesla

5 Tesla

Vertical Bore Diameter

70mm

70mm

70mm

70mm

Split Access

4 Windows each 48mm wide x 34mm wide

4 Windows each 48mm wide x 34mm wide

Field Homogeneity

<0.5% over 10mm DSV

<0.5% over 10mm DSV

<0.7% over 10mm DSV

<0.7% over 10mm DSV

Field Stability

<0.1%/hr

<0.1%/hr

<0.1%/hr

<0.1%/hr

Fringe Field (5G)

< 1.1m axially

< 0.9m radially

< 1.4m axially

< 1.2m radially

< 1.1m axially

< 0.9m radially

< 1.6m axially

< 1.2m radially

Operating Current

17 Amps

15 Amps

18 Amps

18 Amps

Ramp Time

15 mins

25 mins

20 mins

25 mins

Magnet Dimensions

141mm Long

112mm dia (main body)

132mm dia (flange)

157mm Long

134mm dia (main body)

154mm dia (flange)

140mm Long

125mm dia (main body)

145mm dia (flange)

180mm Long

158mm dia (main body)

178mm dia (flange)

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