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. 2021 Jun 20;22(7):208–223. doi: 10.1002/acm2.13313

Table 2.

Technical specifications of imaging devices on uRT‐linac 506c.

Imaging beam MV portal MV‐CBCT kV‐FBCT
1.5‐MV FFF 1.5‐MV FFF 70–140 kV
Detector Type aSi‐EPID aSi‐EPID GOS+Si CT detector
Dimension in pixels 1024 × 1024 1024 × 1024 816 × 24
Pixel size

0.4 mm

≈0.28 mm @ISO

0.4 mm

≈0.28 mm @ISO

1.0 mm;; ≈0.6 mm @ISO
Spatial resolution 0.28 mm @ISO 0.78 mm @512 × 512 0.97 mm @512 × 512
Field of view (FOV) 27 cm 40 cm 50 cm
Scanning range 27 cm 27 cm 100 cm
Imaging dose ~1 mGy 10–30 mGy Diagnostic: 10–50 mGy
Low‐dose: 3.5–5 mGy