Imaging apparatus

Details Imaging apparatus Imaging apparatus

2011-07-12

2011-07-12

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

Reexamination Certificate

active

07977642

ABSTRACT:
An imaging apparatus for x-rays includes a scintillator, overlying an array of imaging pixels on a substrate, and at least one trigger pixel array externally peripheral to the array of imaging pixels on the substrate such that the trigger pixel array is not substantially overshadowed by the scintillator from incident x-ray radiation. A layer substantially impervious to light but transparent to x-rays overlays the trigger pixel array, such that the trigger pixels are unresponsive to light but triggered by direct hits from incident x-ray photons.

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Fossum et al., “A 37/sp1 times/28mm2 600k-pixel CMOS APS dental x-ray camera-on-a-chip with self-triggered readout,” Solid State Circuits Conference, Digest of Technical Papers, pp. 172-173, 1998.
International Search Report dated Aug. 16, 2008, issued in PCT/GB/2008/000128.

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