X-ray detector including a scintillator with a photosensor...

Details X-ray detector including a scintillator with a photosensor... X-ray detector including a scintillator with a photosensor...

2007-02-20

2007-02-20

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

Reexamination Certificate

active

10667523

ABSTRACT:
An X-ray detector is for a CT device and includes a phosphor layer for generating electromagnetic radiation as a function of the occurrence of X-radiation, and a photodetector layer for detecting the electromagnetic radiation generated by the phosphor layer. The phosphor layer includes ceramic material and the photodetector layer includes organic material. A process is further for producing an X-ray detector, including the steps of producing a phosphor layer from a ceramic material and applying a photodetector layer made from an organic material to the phosphor layer via a spinning, printing or beam/jet process or by sticking it on as a film. It is optionally possible to provide a further process step for polishing the surface of the phosphor layer before applying the photodetector layer.

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Tetsuhiko Takahashi, Haruo Itoh, Toshikazu Shimada, and Hiroshi Takeuchi, “Design of Integrated Radiation Detectors with a -Si Photodiodes on Ceramic Scintillators for use in X-Ray Computed Tomography”, IEEE Transactions on Nuclear Science; vol. 37, No. 3, Jun. 9, 1990, p. 1478-1482.

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