242 MI-42-0001 Rev. 19
CT USER INFORMATION: Dosage Factors and Image Quality
Tomographic
Section Thickness
and Slice
Sensitivity Profile
(SSP)
Using the same protocol as specified for MTF measurements, typical FWHM is 1.5mm ± 0.4 mm for
both helical and axial scanning modes.
Figure 168
10.3.5 Technical Statements
Tube Housing
Assembly
Tube Model Characteristic Method of Derivation
FP-1000
Leakage technique
factors
< 0.88 mGy/h @ 125 kV/8 mA
The observed leakage was below the allowable
limit of 1.0 mGy in 1 hour (IEC regulations) and
0.88 mGy in 1 hour (FDA regulations).
Minimum Filtration
permanently in the useful
beam
4.99 mm Al @ 80 kVp, HVL 4.6 mm Al
MCS-1000
Loading factors for
Leakage Radiation
140 kV/9 mA
Permanent filtration 4.99 mm Al @ 80 kVp, HVL 4.6 mm Al
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