TABLE 4

Collimator Specifications

CollimatorHole diameter (mm)Hole length (mm)Septal thickness (mm)Septal penetration (%)Septal penetration (keV)
Skylight MEGP2.95481.1433.3300
Skylight HEGP3.81601.7273.5364
Vertex V60 MEGP2.95481.1433.3300
GE Millennium VG MEGP3.0581.05
GE Millennium VG HEGP4.0661.8