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Proceedings Paper

Design and development of a fiber optic TDI CCD-based slot-scan digital mammography system
Author(s): Emre Toker; Michele F. Piccaro
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Paper Abstract

We previously reported on the development, design, and clinical evaluation of a CCD-based, high performance, filmless imaging system for stereotactic needle biopsy procedures in mammography. The MammoVision system has a limited imaging area of 50 mm X 50 mm, since it is designed specifically for breast biopsy applications. We are currently developing a new filmless imaging system designed to cover the 18 cm X 24 cm imaging area required for screening and diagnostic mammography. The diagnostic mammography system is based on four 1100 X 330 pixel format, full-frame, scientific grade, front illuminated, MPP mode CCDs, with 24 micrometers X 24 micrometers square pixels Each CCD is coupled to an x-ray intensifying screen via a 1.7:1 fiber optic reducer. The detector assembly (180 mm long and 13.5 mm wide) is scanned across the patient's breast synchronously with the x-ray source, with the CCDs operated in time-delay integration (TDI) mode. The total scan time is 4.0 seconds.

Paper Details

Date Published: 16 December 1993
PDF: 7 pages
Proc. SPIE 2009, X-Ray Detector Physics and Applications II, (16 December 1993); doi: 10.1117/12.164744
Show Author Affiliations
Emre Toker, Fischer Imaging Corp. (United States)
Michele F. Piccaro, Fischer Imaging Corp. (United States)


Published in SPIE Proceedings Vol. 2009:
X-Ray Detector Physics and Applications II
Victor J. Orphan, Editor(s)

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