Technologies
The Core Facility MiNa houses four microtomography systems. Two state-of-the-art systems, namely nanotom® m (phoenix|x-ray, Waygate Technologies, Baker Hughes, Wunstorf, Germany) and Skyscan 1275 (Bruker microCT, Kontich, Belgium) have been successfully used since 2012. Two next-generation devices funded by the SNSF R'Equip and the University of Basel were installed in fall 2023: xradia 610 Versa (Zeiss, Oberkochen, Germany) and Polaris (Excsicope, Kista, Sweden).
With these systems, the Core Facility can support a broad range of applications, including life sciences, pharmaceutical research, energy storage, electronics, medical implants, and the analysis of unique museum objects.
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Scanning parameters
- maximal sample diameter: 96 mm
- maximal sample height: 120 mm
- smallest effective pixel size: 4 µm
- reconstructed volume after single scan: 1944 x 1944 x 1160 voxels
- typical scanning time (depending on application): 10 - 120 min
X-ray detector
- active pixel CMOS flat-panel
- 3 MP (1944 x 1536)
- 75 µm pixel size
Microfocus X-ray source
- spot size: < 5 µm @4 W
- acceleration voltage: 15 - 100 kV
- maximal power: 10 W
Scanning parameters
- maximal sample diameter: 240 mm
- maximal sample height: 250 mm
- maximal sample weight: 3 kg
- smallest effective pixel size: 0.3 µm
- reconstructed volume after single scan: 3052 × 3052 × 2400 voxels
- reconstructed volume after 'off-axis' scan: 4624 × 4624 × 2400 voxels
- typical scanning time (depending on application): 5 - 480 min
X-ray detector
- temperature-stabilized high dynamic GE DXR
- 7 MP (3072 x 2400)
- 100 µm pixel size
Nanofocus X-ray source
- spot size: < 1 µm
- acceleration voltage: 40 - 180 kV
- maximal power: 20 W
- available targets: tungsten on CVD diamond & molybdenum
Scanning parameters
- maximal sample diameter: 80 mm
- maximal sample height: 70 mm
- maximal sample weight: 25 kg
- smallest effective pixel size: 40 nm
- reconstructed volume after single scan: 1994 × 1994 × 2048 voxels
- reconstructed volume after 'off-axis' scan: 3756 × 3756 × 2048 voxels
- typical scanning time (depending on application): 1 - 24 h
Detector system
- detector turret with multiple objectives at different magnifications
- each objective features optimized scintillator
- available objectives: 0.4x, 4x, 20x, 40x
- 4 MP (2048 x 2048)
- 13.5 µm pixel size
Microfocus X-ray source
- spot size: < 5 µm
- acceleration voltage: 30 - 160 kV
- maximal power: 25 W
Scanning parameters
- maximum field of view: 6.5 mm
- maximum scannable height: 290 mm
- maximal sample weight: 6 kg
- smallest effective pixel size: 0.5 µm
- reconstructed volume after single scan: 2048 × 2048 × 2048 voxels
- reconstructed volume after 'off-axis' scan: 3700 × 3700 × 2048 voxels
- typical scanning time (depending on application): 1 - 24 h
Detector system
- detector turret with multiple objectives at different magnifications
- each objective features optimized scintillator
- available objectives: 2x, 4x, 10x
- 4 MP (2048 x 2048)
- 6.5 µm pixel size
Liquid metal X-ray source
- MetalJet D2+ (Excillum)
- jet material (target): I1 (68 % Ga, 22 % In, 10 % Sn)
- e-beam size (W x H): 40-80 µm x 10 µm
- spot size @60 µm e-beam width (W x H):
- @40 kV: 3.4 µm x 10.6 µm
- @70 kV: 7.2 µm x 12.2 µm
- acceleration voltage: 21 - 70 kV
- maximal power: 250 W
More information and any inquiries directly to Exciscope can be made through https://exciscope.com/contact/