An apparatus (10) for irradiating a target includes a radiation source (12) for generating a radiation beam and a multiple leaf beam adjuster (16) for collimating and adjusting the shape of the radiation beam from the radiation source (12) that would be projected on the target. An image detector (17)...http://www.google.ca/patents/US7221733?utm_source=gb-gplus-sharePatent US7221733 - Method and apparatus for irradiating a target
