CPB Ljubljana 2018 course book

Paris system forecast relationship -- Stepping source

Treated length / radioactive length

Treated thickness/ spacing

Lateral margin / spacing

Safety margin / spacing

Implant type

0.8

0.5 0.37

-

2 lines

n lines in one plane

0.8

0.6 0.33

-

1.55 to 1.60

n lines in «square»

0.8

-

0.27

n lines in triangle

0.8

1.3

-

0.20

20