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TitleX-Ray CMOS detector array with scintillating light guides
Author(s)Rocha, J. G.
Fernandes, A. V.
Dias, R. A.
Gonçalves, L. M.
Gonçalves, P.
Ferreira, A. J.
Minas, Graça
Lanceros-Méndez, S.
CMOS detector
Issue date26-Oct-2008
Abstract(s)This paper presents a preliminary study concerning an x-ray detector design to analyze a small area with high spatial resolution. The indirect method of x-ray detection is used. In this design, an array of scintillating CsI:Tl crystals, encapsulated in aluminum, is coupled with an array of photodetectors. This structure, patented and described by the authors in detail in previous works, can be obtained using the SU-8 negative photoresist as a sacrificial layer. The experimental work consisted in the deposition of a scintillator layer, and an aluminum layer, on the active area of a commercially available digital imaging sensor, thus supporting the developed detector design. X-ray imaging tests were performed using the PHILIPS X’Pert equipment. Promising results were obtained, featuring high resolution and detail.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:CAlg - Artigos em livros de atas/Papers in proceedings
DEI - Artigos em atas de congressos internacionais

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