Digital X-ray detector with increased dynamic range
US8605862B2 · kind B2 · utility
5Cited by
9References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 27, 2010 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8057
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a digital X-ray detector is provided with a plurality of pixel regions. Each pixel region includes a first photodiode having a first area and a second photodiode having a second area equal to or smaller than the first area. The digital X-ray detector also includes a shielding structure that overlies the first and second photodiodes of each pixel region with the shielding structure shielding proportionally less of the first photodiode than of the second photodiode to provide the first photodiode with a first sensitivity and the second photodiode with a second sensitivity lower than the first sensitivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.