DMAM2

Rp106,256,700

DMAM2 comprises:

  • PMMA plates
    Polymethylmethacrylate (PMMA)
    plates with a dimensional tolerance of
    ±0.1mm.
    (1pc) 300 x 240 x 20mm (with
    encapsulated 99.99%
    Al foil for SNR and CNR)
    (2pc) 300 x 240 x 20mm
    (1pc) 300 x 240 x 10mm
    (1pc) 300 x 240 x 5mm
  • Filaments
    6 groups of multi-directional filaments
    0.40mm to 0.20mm diameter
  • Threshold Contrast Details
    78 contrast details in 6 sizes, dia range from 0.1mm to 2.0mm, contrast range
    0.489% to 27.56%
  • Radiopaque mesh 400 micron (mesh
    size #40) covering an area 300 x
    240mm
  • Radiopaque grid of horizontal,
    vertical and diagonal lines covering an
    area 300 x 240mm
  • Stainless steel straight edge
    accurate to ±20 microns. Angled at 3°

Deskripsi

DMAM2 is a set mammography phantoms for digital mammography systems, designed to be used quickly and easily on a regular basis to provide an ongoing check of imaging performance, particularly those aspects which are most liable to deterioration. An ongoing record of the results of these checks will reveal any trend towards deterioration in imaging performance.

DMAM2 contains the following:

  • Threshold Contrast Details
    78 contrast details in 6 sizes, dia range from 0.1mm to 2.0mm, contrast range 0.489% to 27.56%
  • Filaments
    6 groups of multi-directional filaments 0.40mm to 0.20mm diameter
  • PMMA plates
    Polymethylmethacrylate (PMMA) plates with a dimensional tolerance of ±0.1mm.
    (1pc) 300 x 240 x 20mm (including encapsulated 99.99% 0.20x10x10mm Al foil for SNR, CNR)
    (2pc) 300 x 240 x 20mm
    (1pc) 300 x 240 x 10mm
    (1pc) 300 x 240 x 5mm
  • Radiopaque mesh
    400 micron (mesh size #40) covering an area 300 x 240mm
  • Radiopaque grid
    Horizontal, vertical and diagonal lines covering an area 300 x 240mm
  • Stainless steel straight edge
    accurate to ±20 microns. Angled at 3°
  • Spatial Resolution Test Pattern
    0.5 – 14.3 LP/mm. Angled at 45°
  • X-ray to Light Field Alignment
    Radiopaque Rulers x4, Phosphor Screens x5
  • Aluminium filter
    2.0 ±10% mm 99.9%+ purity for homogeneity tests
  • Aluminium filter
    0.1mm 99.5% purity for ghost image / erasure thoroughness
  • Foam spacers
    to set the compression paddle position.
  • 1.0mm stainless steel plate
    300 x 240mm, to shield the detector from X rays during measurement of incident air kerma at the entrance surface of PMMA slabs.

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