Radiation detector for a computed tomography

Claim 2

A radiation detector for an X-ray computed tomography apparatus, comprising: a plurality of radiation detection modules mounted side-by-side; each radiation detector module comprising a sensor array formed by a plurality of radiation sensor elements, each of said sensor elements requiring calibration; and each of said detector modules containing an electronic memory arrangement in which data for calibrating each of the sensor elements of that module are stored.

Claim 3

A radiation detector as claimed in claim 1 wherein said electronic memory arrangement is an application-specific integrated circuit.

Claim 4

A radiation detector as claimed in claim 1 wherein each detector module further comprises a temperature sensor.

Claim 5

A radiation detector as claimed in claim 1 wherein the respective sensor elements of said sensor array emit analog signals, and wherein each of said radiation detector modules comprises a digitization circuit, to which said analog signals are supplied, for digitizing said analog signals.

Claim 6

A radiation detector as claimed in claim 4 wherein said digitization circuit is an application-specific integrated circuit.

Claim 7

A radiation detector as claimed in claim 1 wherein said application-specific integrated circuit is a first application-specific integrated circuit, and wherein said radiation detector further comprises a temperature sensor, and wherein said sensor elements in said sensor array respectively emit analog signals, and wherein each of said detector modules further comprises a second application-specific integrate circuit to which said analog signals are supplied, for digitizing said analog signals, and wherein said temperature sensor is a component of one of said first application-specific integrated circuit or said second application-specific integrated circuit.

Claim 8

A radiation detector as claimed in claim 6 wherein said temperature sensor is formed as a PN-junction.

Claim 9

A radiation detector as claimed in claim 1 wherein said sensor array is a photodiode array composed of a plurality of photodiodes as said plurality of sensor elements.

Claim 10

A radiation detector as claimed in claim 1 wherein each of said sensor elements has a radiation entry side, and wherein each of said sensor elements comprises a photodiode preceded by a scintillator element disposed at said radiation entry side.

Claim 11

A radiation detector as claimed in claim 1 wherein said sensor array comprises a photodiode array formed by a plurality of photodiodes as said plurality of sensor elements, and wherein each of said detector modules comprises a printed circuit board on which said photodiode array is mounted, and wherein said memory arrangement is also mounted on said printed circuit board.

Claim 12

A radiation detector as claimed in claim 10 wherein said printed circuit board is a first printed circuit board, and further comprising a second printed circuit board that accepts a plug, and a flexible section connecting said first printed circuit board and said second printed circuit board.