Low noise image data capture for digital radiography

Details Low noise image data capture for digital radiography Low noise image data capture for digital radiography

2005-07-28

2008-11-25

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C250S370080, C250S370110, C250S369000

Reexamination Certificate

active

07456409

ABSTRACT:
A low noise digital radiography image capture system employs a two-dimensional array of pixel sites in the image capture panel with each site having an analog-to-digital converter to digitize analog charge values produced by imaging radiation directly into corresponding digital data at the site prior to read-out to subsequent digital data processing electronics thereby avoiding noise and crosstalk problems associated with high frequency read-out of analog information. Fill factor problems caused by inclusion of integrated circuitry on the pixel site are minimized by inclusion of the A/D counter on the opposite side of the substrate support for the pixel site.

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