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The SkyScan-1174 is a compact, cost efficient micro-CT scanner
for nondestructive three-dimensional microscopy. It may be operated
by either a portable or a desk-top PC and is supplied with software
for system control, X-ray radiography, 3D-reconstruction, 2D/3D
image analysis and 3D realistic visualization. The SkyScan-1174
scanner supports variable magnification (6 to 30mm field of view),
adjustable source energy (20 to 50KV) and flexible image format.
The main application areas are biomedical research, metal foams,
plastics, composites, electronic components, diamond defects, non-destructive
testing, geology etc.
SPECIFICATIONS:
| SYSTEM: |
SkyScan 1174
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| Maximum scan volume |
30mm in diameter, 30mm in length + 50mm
vertical travel.
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| Pixel size |
6 to 30µm (1024x1024) or 12 to 60µm
(512x512)
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| X-ray detector |
1280x1024 pixel 12-bit X-ray camera in on-chip
integration mode with lens coupling to scintillator
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| X-ray source |
20-50kV, 40W sealed air cooled tube
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| Computer |
Desk-top Workstation, dual-core Intel XEON
processor, 2GB RAM, internal dual-layer DVD-writer, integrated
Gigabit network and sound, 128MB graphic card with OpenGL
accelerator, 20" UltraSharp LCD screen with 1600x1200 native
resolution. Connection to scanner through one serial and one
FireWire (IEEE1394) ports. Optional - laptop computer instead
of desk-top computer.
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| Software package |
System control, x-ray imaging, 3D reconstruction,
2D/3D x-ray analysis, realistic 3D visualization. Optional-
cluster reconstruction with networked node computers.
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| Reconstruction algorithm |
Volumetric reconstruction - convolution
with back-projection for cone-beam (Feldkamp)
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| Radiation safety |
<1uSv/h at any point on the instrument surface
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| Size / Weight/Power/ Operating condition |
Desk-top case 800x370x330mm /32kg , 100-240V,
3A/50-60Hz, -10 to +50°C storage, 15 to 25°C operation,
maximum humidity 70% non-condensing |
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List
of functions:
Scanner control
X-ray transmission imaging (microradiography).
Flat field correction, camera distortion compensation, image filtering
(median filter and averaging) during visualization and acquisition.
Data acquisition from different views over 180+ or 360deg.
Reconstruction from the acquired data for one / several / all cross
sections
Software compensation of "beam hardening" during reconstruction.
Selection of density window to transform reconstructed results to
a half-tone image.
Visualization of the results of reconstruction cross section by
cross section with indication of the reconstruction position in
the shadow image.
Electronic alignment, automatic scanner calibration.
Image export in BMP, JPG and TIFF formats for shadow projections
and in BMP, JPG, TXT and RAW formats for reconstructed cross-sections.
Image printing by any Windows-supported printer, print preview,
adjustment of page layout.
Display of the reconstructed cross-sections as grey-scale, color
or binary images with adjustable brightness/contrast/colors/thresholds,
image inversion.
Creation of new cut through the reconstructed dataset in any orientation,
export new cut as a BMP-image.
One-dimensional analysis: distance calculation in plane or between
any two points inside the object, min, max, average density values,
density profile.
Two-dimensional analysis from full cross-section or inside region
of interest: total area, relative area (density or porosity), number
of objects, average object size, size distribution.
Three-dimensional analysis for full object or inside a region of
interest: total volume, volume fraction (3D-porosity or density),
total surface, surface-to-volume ratio.
Software may be used on other computers to enable off-line reconstruction,
post-processing and analysis.
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