Radiation field size (cm2)

05 × 05

10 × 10

15 × 15

20 × 20

25 × 25

30 × 30

35 × 35

Volume of phantom

(X × Y × Z ) cc

30 × 30 × 40

40 × 40 × 40

40 × 40 × 40

40 × 40 × 40

50 × 50 × 40

60 × 60 × 40

60 × 60 × 40

Voxel size

(x × y × z ) cc

0.1 × 0.1 × 0.2

0.2 × 0.2 × 0.2

0.2 × 0.2 × 0.2

0.2 × 0.2 × 0.2

0.2 × 0.2 × 0.2

0.2 × 0.2 × 0.2

0.2 × 0.2 × 0.2

No. of regions

Including exterior

18,000,001

8,000,001

8,000,001

8,000,001

12,500,001

18,000,001

18,000,001