Gammakamera - OUH.dk
Gammakamera - OUH.dk
Gammakamera - OUH.dk
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NUKLEARMEDICINSK AFDELING PET- & CYKLOTRONENHEDEN<br />
Kollimator – septalpenetrering<br />
Fra: Physics in Nuclear Medicine (Sorenson and Phelps) and (Cherry, Sorenson and Phelps)<br />
Minimum septa tykkelse t for < 5 %<br />
septal penetrering:<br />
t<br />
≥ l<br />
6d<br />
/ μ<br />
− ( 3/<br />
μ)<br />
Hvor μ er den liniære<br />
attenuationskoefficient for bly ved<br />
γ-energien<br />
E [keV] μ [1/cm]<br />
80 27,43<br />
100 62,93<br />
150 22,84<br />
200 11,32<br />
300 4,57<br />
400 2,63<br />
500 1,83
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