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EnglishWe present the first tests of a digital imaging system based on a silicon pixel detector bump bonded to an integrated circuit operating in single-photon counting mode. The X-ray sensor is a 300-mum-thick silicon, 14 x 14 mm(2) sensitive area, upon which a matrix of 256 x 256 (65536) square pixel, 55 mum in side, has been built. The readout chip, named MEDIPIX2, has been developed at CERN within the MEDIPIX2 collaboration and it is composed by a matrix of 65536 readout channels exactly with the same geometry of the detector. The spatial resolution properties of the system,have been assessed by measuring the square-wave resolution function and the first images of a standard mammographic phantom were acquired using a radiographic tube in the clinical irradiation condition.
| Autori interni: | |
| Autori: | Bisogni M; Delogu P; Fantacci M; Mettivier G; Montesi MC; Novelli M; Quattrocchi M; Rosso V; Russo P; Stefanini A |
| Titolo: | A Medipix2-based imaging system for digital mammography with silicon pixel detectors |
| Anno del prodotto: | 2004 |
| Digital Object Identifier (DOI): | 10.1109/TNS.2004.839079 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
http://hdl.handle.net/11568/186871
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