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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Siteplutao.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W/3FCLDKG
Repositóriosid.inpe.br/plutao/2013/12.12.17.17.56   (acesso restrito)
Última Atualização2014:02.11.12.18.38 (UTC) administrator
Repositório de Metadadossid.inpe.br/plutao/2013/12.12.17.17.57
Última Atualização dos Metadados2018:06.04.23.39.21 (UTC) administrator
DOI10.1016/j.radphyschem.2013.03.041
ISSN0969-806X
Rótulolattes: 7511006554286037 2 MurataFeLaCaPiMe:2013:PePrDe
Chave de CitaçãoMurataFeLaCaPiMe:2014:PePrDe
TítuloThe performance of a prototype device designed to evaluate general quality parameters of X-ray equipment
Ano2014
MêsFeb.
Data de Acesso11 maio 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho2097 KiB
2. Contextualização
Autor1 Murata, Camila H.
2 Fernandes, Diego Camilo
3 Lavínia, N. C.
4 Caldas, L. V. E.
5 Pires, S. R.
6 Medeiros, R. B.
Grupo1
2 CMC-ETES-SPG-INPE-MCTI-GOV-BR
Afiliação1 Coordenadoria de Física e Higiene das Radiações (CFHR), Departamento de Diagnóstico por Imagem, Universidade Federal de São Paulo
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Mosaico Ind. e Com Eletro Eletrônico Ltda; Santo André
4 Instituto de Pesquisas Energéticas e Nucleares (IPEN)
5 Universidade Federal de São Paulo
6 Universidade Federal de São Paulo
Endereço de e-Mail do Autor1 camila.murata@gmail.com
2 dcfernandes@metrosp.com.br
Endereço de e-Maildcfernandes@metrosp.com.br
RevistaRadiation Physics and Chemistry
Volume95
Páginas101–105
Histórico (UTC)2013-12-12 17:17:57 :: lattes -> administrator ::
2014-02-11 12:18:39 :: administrator :: 2013 -> 2014
2018-06-04 23:39:21 :: administrator -> marcelo.pazos@inpe.br :: 2014
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-Chavemultifunction X-Ray analysis system
solid state detector
ionizing chamber
quality control tests
ResumoThe performance of radiological equipment can be assessed using non-invasive methods and portable instruments that can analyze an X-ray beam with just one exposure. These instruments use either an ionization chamber or a state solid detector (SSD) to evaluate X-ray beam parameters. In Brazil, no such instruments are currently being manufactured; consequently, these instruments come at a higher cost to users due to importation taxes. Additionally, quality control tests are time consuming and impose a high workload on the X-ray tubes when evaluating their performance parameters. The assessment of some parameters, such as the half-value layer (HVL), requires several exposures; however, this can be reduced by using a SSD that requires only a single exposure. One such SSD uses photodiodes designed for high X-ray sensitivity without the use of scintillation crystals. This sensitivity allows one electron-hole pair to be created per 3.63 eV of incident energy, resulting in extremely high and stable quantum efficiencies. These silicon photodiodes operate by absorbing photons and generating a flow of current that is proportional to the incident power. The aim of this study was to show the response of the solid sensor PIN RD100A detector in a multifunctional X-ray analysis system that is designed to evaluate the average peak voltage (kVp), exposure time, and HVL of radiological equipment. For this purpose, a prototype board that uses four SSDs was developed to measure kVp, exposure time, and HVL using a single exposure. The reproducibility and accuracy of the results were compared to that of different X-ray beam analysis instruments. The kVp reproducibility and accuracy results were 2% and 3%, respectively; the exposure time reproducibility and accuracy results were 2% and 1%, respectively; and the HVL accuracy was ±2%. The prototype's methodology was able to calculate these parameters with appropriate reproducibility and accuracy. Therefore, the prototype can be considered a multifunctional instrument that can appropriately evaluate the performance of radiological equipment.
ÁreaETES
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Conteúdo da Pasta agreementnão têm arquivos
4. Condições de acesso e uso
Idiomaen
Arquivo Alvo1-s2.0-S0969806X13001758-main.pdf
Grupo de Usuáriosadministrator
lattes
marcelo.pazos@inpe.br
Grupo de Leitoresadministrator
marcelo.pazos@inpe.br
Visibilidadeshown
Permissão de Leituradeny from all and allow from 150.163
Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Repositório Espelhoiconet.com.br/banon/2006/11.26.21.31
Unidades Imediatamente Superiores8JMKD3MGPCW/3F2UALS
URL (dados não confiáveis)http://dx.doi.org/10.1016/j.radphyschem.2013.03.041
DivulgaçãoWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Acervo Hospedeirodpi.inpe.br/plutao@80/2008/08.19.15.01
6. Notas
NotasProceedings of the 12th International Symposium on Radiation Physics (ISRP 2012)
Campos Vaziosalternatejournal archivingpolicy archivist callnumber copyholder copyright creatorhistory descriptionlevel format isbn lineage mark nextedition number orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark session shorttitle sponsor subject tertiarymark tertiarytype
7. Controle da descrição
e-Mail (login)marcelo.pazos@inpe.br
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