IB-C50-AIR for UHV

IB-C50-AIR for UHV is a modified version of our standard slits. All parts and surfaces are suited for UHV operation (including microswitches, motors, wiring, connectors, guides, and encoders).

The IB-C50-AIR is a compact system but still spacious enough to house internal linear encoders (option). Our smallest system with this capability. Except for the additional space for internal encoders, the design is very similar to our classic IB-C30-AIR slit system: The aperture is defined by four independently movable highly polished tungsten carbide blades. The blades are, in turn, controlled by a high-precision guiding rail system and high-resolution stepping motors.

The standard 2 mm blades can be installed in two configurations: Either providing a curved, polished surface of a 16 mm radius or a knife-edge slope at 0.5 degrees. The standard blades are polished to obtain an RMS roughness better than 25 nm.

Without internal encoders, it is possible to reduce width in beam direction with 24 mm (2 mm blades).

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Technical specifications

Aperture size
Maximum: 50 mm x 50 mm
Minimum: Full overlap

2 micron per full step

± 5 micron over full range

Standard blades
2 mm thick tungsten carbide blades which can be mounted either with a 0.5 degrees knife-edge or a R16 radius edge

Limit switches (end-of-travel)
Included as standard on all motions

High precision internal rails and carriages

Electrical connections
Limit switches coupled to 2 motor connectors (SUB-D 15 pins male, PEEK)

2-phase stepping UHV motors

Mechanical dimensions
242.60 mm x 242.60 mm x 78 mm
194 mm x 194 mm x 78 mm (housing only)

Mechanical connections
M6-threaded holes on the sides as shown on the drawing.

≈ 4.5 kg

Outer surface
Anodized aluminum in color nature

More UHV details
UHV rated stepper motors (200 steps per rev.), microswitches, guides and carriages.
Kapton wire and PEEK connectors
Encoder option: Internal linear encoders for UHV (absolute or incremental)

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