Monochromatic X-ray CT
(High-resolution CT)

Basic Information

• Field of ViewApprox. 1 mm (horizontal) x 1 mm (vertical)
• Spatial ResolutionApprox. 1 μm
• Pixel Size0.65 μm
• Measurement TimeApprox. 10 minutes per sample
• Data Volume65 GB per sample (Please bring a USB storage of 2 TB or more)
• Energy Standard energy options:
  • 8.33 keV
  • 11.67 keV
  • 15 keV
  • 18.33 keV
  You can change between these standard energy levels during your beamtime. The energy switch takes about 5 minutes.
  However, if you require a different energy (for example, for a specific metal absorption edge), please consult with us at the time of reservation.
• Sample SizeIdeally cylinder < 1 mm dia. or prism < 1 mm side. Length: 10 - 50 mm.
• Sample MountingFixing to a cylindrical holder (double-sided tape, clay, etc.)
• Measurement Method180° rotation in 0.1° increments (Reconstructed from 1800 projections)
• Data TransferSSD with transfer speed of 1000 MB/s or higher is recommended.

Layout

• ① CMOS camera
  Model: C13440-20CU (Hamamatsu Photonics)
• ② Scintillator
• ③ X-Y Stage
  Model: YA-04-R102-NNR (Kozu Seiki)
  Travel Range: ±5 mm
• ④ Z Stage
  Model: ZA-10A-W202 (Kozu Seiki)
  Travel Range: ±7 mm
• ⑤ Sample Stage
  
  A plate with a square hole (as shown in the figure below) is mounted to stage ③ using M3 screws.
  The sample holder is placed into this square hole.
  
  The beam irradiation position is 49 mm above the top surface of the stage.
  The Z stage can move ±7 mm from that position.
  If additional height is required, 5 mm or 10 mm spacers can be used.
• ⑥ Kapton Window (Thickness: 75 μm)

Measurement Flow

Measurement Examples

Toothpick (15 keV)

Exposure: 100 ms/projection, Projections: 1800, Pixel size: 0.65 μm

Toothpick (9 keV)

Exposure: 100 ms/projection, Projections: 1800, Pixel size: 0.65 μm

Sand Grain

Energy: 15 keV, Pixel size: 0.65 μm

Rice Fragment

Energy: 15 keV, Pixel size: 0.65 μm

Sandpaper (15 keV)