Detector array for radiation imaging modality

A dual-energy detector array for a radiation system, the dual-energy detector array comprising:

• a first circuit board assembly having a first side and a second side;
• a second circuit board assembly having a third side and a fourth side;
• a first conversion package coupled to the first side of the first circuit board assembly and having a first effective photon energy;
• a second conversion package coupled to the fourth side of the second circuit board assembly and having a second effective photon energy;
• a first radiation filtering material coupled to the second side of the first circuit board assembly and the third side of the second circuit board assembly, the first radiation filtering material disposed between the first conversion package and the second conversion package, the first radiation filtering material configured to attenuate at least some radiation photons impinging thereon;
• and
• a second radiation filtering material coupled to the second side of the first circuit board assembly and the third side of the second circuit board assembly, the second radiation filtering material coplanar with the first radiation filtering material, the second radiation filtering material offset from scintillators of the first conversion package and from scintillators of the second conversation package, the second radiation filtering material defining an electrical path between the second side of the first circuit board assembly and the third side of the second circuit board assembly.

A dual-energy detector array for a radiation system, the dual-energy detector array comprising:

• a first circuit board assembly having a first side and a second side;
• a second circuit board assembly having a third side and a fourth side, the third side of the second circuit board assembly coupled to the second side of the first circuit board assembly;
• a first conversion package coupled to the first side of the first circuit board assembly and having a first effective photon energy;
• a second conversion package coupled to the second circuit board assembly and having a second effective photon energy;
• a radiation filtering material disposed within the first circuit board assembly and embedded within the first circuit board assembly, the radiation filtering material configured to attenuate at least some radiation photons impinging thereon;
• and
• a third circuit board assembly between the first circuit board assembly and the second circuit board assembly, the third circuit board assembly not including a radiation filtering material.

A radiation system comprising:

• a radiation source configured to emit radiation photons;
• and
• a dual-energy detector array comprising:
• a circuit board assembly having a first side and a second side;
• a first conversion package coupled to the first side of the circuit board assembly and having a first effective photon energy;
• a second conversion package coupled to the second side of the circuit board assembly and having a second effective photon energy;
• and
• a radiation filtering material disposed within the circuit board assembly between the first conversion package and the second conversion package, the radiation filtering material comprising a single unitary material configured to attenuate at least some of the radiation photons impinging thereon, the radiation filtering material embedded within a dielectric portion of the circuit board assembly.