High light collection X-ray image sensor array

Details High light collection X-ray image sensor array High light collection X-ray image sensor array

Filed on

1996-11-19

Date issued

1999-08-10

Examiner

Westin, Edward P.

Patent Class

Radiant energy

SubClass

Photocells; circuits and apparatus

SubSubClass

Photocell controlled circuit

Other Related Categories

250368, 25037009, 25037011, 257 53, G01T 120, G01T 124

Type

Patent

Status

active

Patent number

059362308

Description

ABSTRACT:
An assembly is provided for detection of radiation directed through an object. A phosphor converter disposed to receive the radiation pattern generates visible light representative of the radiation pattern. A plurality of light sensors are disposed to define a sensor array for receiving the visible light and generating a pixel signal pattern representative of the radiation pattern. A plurality of reflectors are disposed at locations for reflecting a portion of the visible light radiating in a direction to avoid being received in the plurality of light sensors. The light is reflected back into the phosphor converter where a diffuse reflection of the reflected light redirects the light back towards the sensors.

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patent: 5763887 (1998-06-01), Murphy
patent: 5773829 (1998-06-01), Iwanczyk et al.
Street, et al., "Amorphous Silicon Arrays Develop a Medical Image", IEEE, Circuits and Devices, Jul. 1993, pp. 38-42.

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