Bruker SKYSCAN 1173

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High-energy spiral scan micro-CT

World's first spiral micro-CT

The SkyScan 1173 is a high energy micro-CT scanner for large and dense objects with spiral scan possibility. It includes a newly developed 130kV microfocus X-ray source with improved stability of the focal spot position, a large format (>5Mp) flat panel sensor with special protection by a lead-glass fiber-optic window for achieving a long lifetime under high energy X-rays, and a precision object manipulator for large (up to 140mm in diameter, 200mm in length) and heavy (several kilograms) objects with an integrated micro-positioning stage.


X-ray source

40-130kV, 8W , <5 µm spot size

X-ray detector

distortion-free Flat Panel sensor 2240x2240 pixels, 12-bit

Max object size

140mm in diameter, 200mm in length (100-140mm scanning length)

Spatial resolution 

<4-5 µm detail detectability, 7-8 µm low-contrast resolution


GPU-accelerated FDK reconstruction, optional GPU-cluster

Optional stages

cooling, heating, compression/tension

Radiation safety

<1 µSv/h at 10cm from the instrument surface

Dimensions (LxWxH)

1070 x 720 x 624mm


Key Features

  • No ring artifacts, no partial scan connections
  • Maintenance-free 130kV X-ray source
  • Distortion-free flat panel detector
  • 140mm maximum object size
  • Better than 7µm 3D spatial resolution
  • Continuous scanning for long objects
  • 2D/3D image analysis and realistic visualization