Curved digital X-ray detectors

Abstract A curved image sensor on plastic foil has been developed for cone beam computed tomography (CBCT) X-ray imaging. The image sensor of about 6 × 8 cm2 size has been built on a thin polyimide foil with an indium gallium zinc oxide (IGZO) backplane and an organic photodetectors (OPD) frontplane...

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Autores principales:	Albert J.J.M. van Breemen, Matthias Simon, Olivier Tousignant, Santhosh Shanmugam, Jan-Laurens van der Steen, Hylke B. Akkerman, Auke Kronemeijer, Walter Ruetten, Rob Raaijmakers, Lex Alving, Jan Jacobs, Pawel E. Malinowski, Florian De Roose, Gerwin H. Gelinck
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/2df5b8e11fbd446d8d780d59677c909a
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spelling	oai:doaj.org-article:2df5b8e11fbd446d8d780d59677c909a2021-12-02T19:12:26ZCurved digital X-ray detectors10.1038/s41528-020-00084-72397-4621https://doaj.org/article/2df5b8e11fbd446d8d780d59677c909a2020-09-01T00:00:00Zhttps://doi.org/10.1038/s41528-020-00084-7https://doaj.org/toc/2397-4621Abstract A curved image sensor on plastic foil has been developed for cone beam computed tomography (CBCT) X-ray imaging. The image sensor of about 6 × 8 cm2 size has been built on a thin polyimide foil with an indium gallium zinc oxide (IGZO) backplane and an organic photodetectors (OPD) frontplane. A flexible cesium iodide (CsI) scintillator has been attached to the optical sensor with 480 × 640 pixels of 126 µm size. Dark current density of the OPD was low with less than 10−7 mA/cm2 at −2 V, while an external quantum efficiency (EQE) of about 50% was reached in the visible wavelength range matched to the scintillator output. The image quality of the digital X-ray detector allowed for 3D reconstruction images of a bone phantom on a rotating stage with a lab setup. The curved detector with 32 cm curvature radius opens up the path for very compact CBCT gantries with largely reduced footprint.Albert J.J.M. van BreemenMatthias SimonOlivier TousignantSanthosh ShanmugamJan-Laurens van der SteenHylke B. AkkermanAuke KronemeijerWalter RuettenRob RaaijmakersLex AlvingJan JacobsPawel E. MalinowskiFlorian De RooseGerwin H. GelinckNature PortfolioarticleElectronicsTK7800-8360Materials of engineering and construction. Mechanics of materialsTA401-492ENnpj Flexible Electronics, Vol 4, Iss 1, Pp 1-8 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492 Albert J.J.M. van Breemen Matthias Simon Olivier Tousignant Santhosh Shanmugam Jan-Laurens van der Steen Hylke B. Akkerman Auke Kronemeijer Walter Ruetten Rob Raaijmakers Lex Alving Jan Jacobs Pawel E. Malinowski Florian De Roose Gerwin H. Gelinck Curved digital X-ray detectors
description	Abstract A curved image sensor on plastic foil has been developed for cone beam computed tomography (CBCT) X-ray imaging. The image sensor of about 6 × 8 cm2 size has been built on a thin polyimide foil with an indium gallium zinc oxide (IGZO) backplane and an organic photodetectors (OPD) frontplane. A flexible cesium iodide (CsI) scintillator has been attached to the optical sensor with 480 × 640 pixels of 126 µm size. Dark current density of the OPD was low with less than 10−7 mA/cm2 at −2 V, while an external quantum efficiency (EQE) of about 50% was reached in the visible wavelength range matched to the scintillator output. The image quality of the digital X-ray detector allowed for 3D reconstruction images of a bone phantom on a rotating stage with a lab setup. The curved detector with 32 cm curvature radius opens up the path for very compact CBCT gantries with largely reduced footprint.
format	article
author	Albert J.J.M. van Breemen Matthias Simon Olivier Tousignant Santhosh Shanmugam Jan-Laurens van der Steen Hylke B. Akkerman Auke Kronemeijer Walter Ruetten Rob Raaijmakers Lex Alving Jan Jacobs Pawel E. Malinowski Florian De Roose Gerwin H. Gelinck
author_facet	Albert J.J.M. van Breemen Matthias Simon Olivier Tousignant Santhosh Shanmugam Jan-Laurens van der Steen Hylke B. Akkerman Auke Kronemeijer Walter Ruetten Rob Raaijmakers Lex Alving Jan Jacobs Pawel E. Malinowski Florian De Roose Gerwin H. Gelinck
author_sort	Albert J.J.M. van Breemen
title	Curved digital X-ray detectors
title_short	Curved digital X-ray detectors
title_full	Curved digital X-ray detectors
title_fullStr	Curved digital X-ray detectors
title_full_unstemmed	Curved digital X-ray detectors
title_sort	curved digital x-ray detectors
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/2df5b8e11fbd446d8d780d59677c909a
work_keys_str_mv	AT albertjjmvanbreemen curveddigitalxraydetectors AT matthiassimon curveddigitalxraydetectors AT oliviertousignant curveddigitalxraydetectors AT santhoshshanmugam curveddigitalxraydetectors AT janlaurensvandersteen curveddigitalxraydetectors AT hylkebakkerman curveddigitalxraydetectors AT aukekronemeijer curveddigitalxraydetectors AT walterruetten curveddigitalxraydetectors AT robraaijmakers curveddigitalxraydetectors AT lexalving curveddigitalxraydetectors AT janjacobs curveddigitalxraydetectors AT pawelemalinowski curveddigitalxraydetectors AT florianderoose curveddigitalxraydetectors AT gerwinhgelinck curveddigitalxraydetectors
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Curved digital X-ray detectors

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