X-ray grid-detector apparatus

Details X-ray grid-detector apparatus X-ray grid-detector apparatus

1996-06-28

1998-01-27

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250368, 2504861, 2504871, G01T 120

Patent

active

057124833

ABSTRACT:
A hybrid grid-detector apparatus for x-ray systems wherein a microchannel plate structure has an air-interspaced grid portion and a phosphor/optical fluid-filled grid portion. The grids are defined by multiple adjacent channels separated by lead-glass septa. X-rays entering the air-interspaced grid portion at an angle of impingement upon the septa are attenuated, while non-impinging x-rays pass through to the phosphor/fluid filled portion. X-ray energy is converted to luminescent energy in the phosphor/fluid filled portion and the resultant beams of light are directed out of the phosphor/optical fluid filled portion to an imaging device.

REFERENCES:
patent: 3026412 (1962-03-01), Carlson
patent: 3048698 (1962-08-01), Carlson
patent: 5455849 (1995-10-01), Logan et al.
Fahrig et al., "Performance of Glass Fiber Antiscatter Devices at Mammographic Energies", Med. Phys. 21 (8), Aug. 1994, Am. Assoc. Phys. Med., pp. 1277-1282.

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