Patent ID: 7170062

Claim:
An x-ray and gamma-ray radiation energy imaging device comprising: a detector substrate, the detector substrate having an electrode surface and a pixel surface, and disposed to convert said radiation energy impinging on the electrode surface to electrical charges, and with the pixel surface having a plurality of pixels and associated pixel contacts thereon with the pixels for collecting the electrical charges and the pixel contacts disposed in a pixel contact pattern; an CMOS ASIC readout substrate having a readout surface disposed opposite the pixel surface of the detector substrate, a plurality of pixel signal circuits disposed on the readout surface and the signal circuits each having a signal contact processed on the readout surface in a signal contact pattern, the signal contacts being inputs to the signal circuits of the CMOS ASIC readout substrate; and a plurality of electrically conductive bonds each discretely connecting a pixel contact in the pixel pattern to a signal contact in the signal contact pattern, the bonds consisting essentially of an electrically conductive adhesive, with substantially each bond having a space empty of conductive adhesive separating it from adjacent bonds.