DC Field | Value | Language |
---|---|---|
dc.contributor.author | Cha, Bo-Kyung | ko |
dc.contributor.author | Bae, Jun-Hyung | ko |
dc.contributor.author | Kim, Byoung-Jlk | ko |
dc.contributor.author | Jeon, Ho-Sang | ko |
dc.contributor.author | Cho, Gyu-Seong | ko |
dc.date.accessioned | 2009-03-10T08:56:07Z | - |
dc.date.available | 2009-03-10T08:56:07Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2008-06 | - |
dc.identifier.citation | NUCLEAR INSTRUMENTS METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.591, no.1, pp.113 - 116 | - |
dc.identifier.issn | 0168-9002 | - |
dc.identifier.uri | http://hdl.handle.net/10203/8627 | - |
dc.description.abstract | We proposed the direct deposition of CsI(Tl) scintillator layer with pixelated structure on a CMOS image sensor (CIS) in order to improve the spatial resolution. CMOS sensors developed for test have a 128 x 128 photodiode array with 50 gm pixel pitch and integrated readout-electronics including a 10 bit pipe-lined ADC. CsI(Tl) layer has thickness of 50 pm. The modulation transfer function, the noise power spectrum, and the detective quantum efficiency of pixelated and non-pixelated CsI(Tl) X-ray image sensors (XIS) were estimated with a 50kVp X-ray beam. At 10% of modulation transfer function (MTF), the spatial resolution of pixelated and non-pixleated XIS are about 8 and 6 lp/mm, respectively. It implies that pixelation enhances the spatial resolution by reducing the lateral light diffusion. Though the NPS of pixelated XIS was slightly higher than the non-pixelated XIS, its detective quantum efficiency (DQE) values were much better than non-pixelated XIS especially at high spatial frequencies. (c) 2008 Elsevier B.V. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en_US | en |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.subject | GUIDES | - |
dc.title | Performance studies of a monolithic scintillator-CMOS image sensor for X-ray application | - |
dc.type | Article | - |
dc.identifier.wosid | 000257529300027 | - |
dc.identifier.scopusid | 2-s2.0-44649117922 | - |
dc.type.rims | ART | - |
dc.citation.volume | 591 | - |
dc.citation.issue | 1 | - |
dc.citation.beginningpage | 113 | - |
dc.citation.endingpage | 116 | - |
dc.citation.publicationname | NUCLEAR INSTRUMENTS METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Cho, Gyu-Seong | - |
dc.contributor.nonIdAuthor | Cha, Bo-Kyung | - |
dc.contributor.nonIdAuthor | Kim, Byoung-Jlk | - |
dc.contributor.nonIdAuthor | Jeon, Ho-Sang | - |
dc.type.journalArticle | Article; Proceedings Paper | - |
dc.subject.keywordAuthor | CMOS image sensor | - |
dc.subject.keywordAuthor | CsI(Tl) scintillator | - |
dc.subject.keywordAuthor | MTF | - |
dc.subject.keywordAuthor | NPS | - |
dc.subject.keywordAuthor | DQE | - |
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