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Proceedings Paper

Stitched large format CMOS image sensors for dental x-ray digital radiography
Author(s): Xinqiao (Chiao) Liu; Boyd Fowler; Hung Do; Mark Jaffe; Richard Rassel; Bob Leidy
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Paper Abstract

In this paper, we present a family of large format CIS’s designed for dental x-ray applications. The CIS areas vary from small 31.5mm x 20.1mm, to medium 34.1mm x 26.3mm, to large 37.1mm x 26.3mm. Pixel size is 19.5um x 19.5um. The sensor family was fabricated in a 0.18um CIS process. Stitching is used in the CIS fabrication for the medium and large size sensors. We present the CIS and detector system design that includes pixel circuitry, readout circuitry, x-ray trigger mechanism, scintillator, and the camera electronics. We also present characterization results including the detector performances under both visible light and x-ray radiation.

Paper Details

Date Published: 17 October 2012
PDF: 11 pages
Proc. SPIE 8508, Medical Applications of Radiation Detectors II, 85080D (17 October 2012); doi: 10.1117/12.930085
Show Author Affiliations
Xinqiao (Chiao) Liu, BAE Systems Imaging Solutions (United States)
Boyd Fowler, BAE Systems Imaging Solutions (United States)
Hung Do, BAE Systems Imaging Solutions (United States)
Mark Jaffe, IBM Corp. (United States)
Richard Rassel, IBM Corp. (United States)
Bob Leidy, IBM Corp. (United States)


Published in SPIE Proceedings Vol. 8508:
Medical Applications of Radiation Detectors II
H. Bradford Barber; Hans Roehrig, Editor(s)

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