RADIATION DETECTOR AND DETECTION METHOD

RADIATION DETECTOR AND DETECTION METHOD

A radiation detector uses a direct conversion layer (30) with first and second readout sensors located on opposite sides of the direct conversion layer (30). A biasing arrangement (23, 27) provides a voltage bias across the direct conversion layer (30) using pixel electrodes (26) of the first and se...

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Bibliographische Detailangaben
Hauptverfasser: WIECZOREK, Herfried, Karl, JACOBS, Johannes, Wilhelmus, Maria, RUETTEN, Walter, SIMON, Matthias
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MEASUREMENT OF NUCLEAR OR X-RADIATION
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A radiation detector uses a direct conversion layer (30) with first and second readout sensors located on opposite sides of the direct conversion layer (30). A biasing arrangement (23, 27) provides a voltage bias across the direct conversion layer (30) using pixel electrodes (26) of the first and second readout sensors. The use of a direct conversion layer (30) gives an intrinsic high spatial resolution and enables X-ray photon counting. Two independent readout sensors (e.g. with different technologies and related back-end electronics) are thereby combined in one detector without compromising their functionality. The detector can be made at low cost, by virtue of the use of a single direct conversion layer (30) which is coupled on both sides to multiple readout sensors.