1385 / 1542
dose-scaling factor
for electrons: 1.12
1. Irradiate film with electron and photons, use for electrons
1/1.12 * (prescribed dose)
2. Analyze film with sensitometric curve of photons
Reliable relative dose distribution
10 MeV
electrons
10 MV
photons
10 MV X-rays and 10 MeV electrons