X-ray imaging device

Details X-ray imaging device X-ray imaging device

1988-11-07

1990-07-10

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

25037011, H01L 2712, G01T 1208

Patent

active

049409018

ABSTRACT:
The disclosure concerns devices for the conversion of images into electronic signals with particular application to X-ray imaging. Instead of forming, on an insulating glass substrate, a strip or matrix of photosensitive elements (PIN diodes) which are then coated with a scintillating sheet bonded to or pressed against the upper surface of the photosensitive elements, a scintillating layer is deposited on the substrate before forming the photosensitive elements. Thus, a gain in sensitivity and definition is achieved. It is moreover possible to preserve, in addition to the scintillating layer deposited between the substrate and the photosensitive elements, a scintillating layer bonded to or pressed against the upper surface of the unit. The two scintillators may be identical or different in nature. If they are different, they may react to different wavelengths but may also emit in different wavelengths.

REFERENCES:
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patent: 4317037 (1982-02-01), Suzuki et al.
patent: 4598203 (1986-07-01), Umetani et al.
patent: 4803359 (1989-02-01), Hosoi et al.
patent: 4810881 (1989-03-01), Berger et al.
Patent Abstracts of Japan, vol. 2, No. 129(E-78), Oct. 27, 1978, p. 7849 E 78; & JP-A-53 96 787.
Patent Abstracts of Japan, vol. 2, No. 129(E-78), Oct. 27, 1978, p. 7849 E 78; & JP-A-53 96 785.
Patent Abstracts of Japan, vol. 7, No. 253(P-235)[1398], Nov. 10, 1983; & JP-A-58 137 782.
Patent Abstracts of Japan, vol. 2, No. 129(E-78), Oct. 27, 1978, p. 7851 E 78; & JP-A-53 96 791.
Patent Abstracts of Japan, vol. 9, No. 68(P-344)[1791], Mar. 28, 1985; & JP-A-59 200 983.

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