Image capture element

US6025599A · kind A · utility

Assignee

• Direct Radiography Corp. · US

Inventors

• Denny L. Y. Lee · West Chester, US
• Lawrence Cheung · Berwyn, US
• Lothar S. Jeromin · Landenberg, US

Key dates

• Filing date: Dec 9, 1997
• Grant date: Feb 15, 2000
• Expiry date: Dec 9, 2017

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F39/195

Abstract

An X-ray image capture radiation detector for use in digital radiography is disclosed. The radiation detector has, in order, a dielectric substrate, a TFT transistor and a capacitor on the surface of the dielectric substrate, an insulating layer, a photoconductive layer over the insulating layer, a top dielectric layer, and a top conducting layer. The insulating layer prevents any direct charge transfer between the photoconductive layer and the capacitor.