Design Parameters

Cu collimator

Height

20.0 mm

Opening angle

7.5˚

Si diodes

Thickness

0.3 mm

Radius

1.5 mm (top), 3.0 mm (rest)

PCB

Thickness

0.5 mm

Radius

11.0 mm

Absorber materials

Al and Ta layers

Absorber thicknesses

0.4 - 3.8 mm

Cu side/back shield thicknesses

5.0 mm