X-ray computed tomography apparatus with radiation detector whic

Details X-ray computed tomography apparatus with radiation detector whic X-ray computed tomography apparatus with radiation detector whic

1998-03-24

1999-12-21

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 14, 378 11, A61B 600

Patent

active

060059087

ABSTRACT:
An X-ray computed tomography apparatus has a radiation detector composed of X-ray converters so that the scattering of light in a scintillator or the inductive disturbance in a directly converting semiconductor is minimized or eliminated. Each X-ray converter, e.g. a scintillator is in fixed contact with a number of signal converters, e.g. photodiodes. From the output signals of the signal converters, the unsharpness can be calculated and then compensated.

REFERENCES:
patent: 4872188 (1989-10-01), Lauro et al.
patent: 5528043 (1996-06-01), Spivey et al.
patent: 5587591 (1996-12-01), Kingsley et al.
patent: 5818898 (1998-10-01), Tsukamoto et al.

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