{"title":"用于电阻抗断层扫描(EIT)研究的金电极传感器","authors":"T. Bera, J. Nagaraju","doi":"10.1109/SAS.2011.5739810","DOIUrl":null,"url":null,"abstract":"Surface electrodes in EIT phantoms usually reduce the SNR of the boundary data due to their design and development errors. A novel gold electrode array with high geometric precision is developed for 2D electrical impedance tomography to increase the SNR of boundary data. Gold thin films are deposited on a flexible FR4 sheet using electro-deposition process to make a sixteen electrode array with electrodes of identical geometry. Boundary data are collected using a USB based high speed data acquisition system in a LabVIEW platform and the data are compared. Results show that the SNR of the boundary potentials obtained with gold electrode array is higher than that of a stainless steel array. Resistivity images reconstructed using EIDORS showed that the image quality is improved with gold electrode array.","PeriodicalId":401849,"journal":{"name":"2011 IEEE Sensors Applications Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"15","resultStr":"{\"title\":\"Gold electrode sensors for electrical impedance tomography (EIT) studies\",\"authors\":\"T. Bera, J. Nagaraju\",\"doi\":\"10.1109/SAS.2011.5739810\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Surface electrodes in EIT phantoms usually reduce the SNR of the boundary data due to their design and development errors. A novel gold electrode array with high geometric precision is developed for 2D electrical impedance tomography to increase the SNR of boundary data. Gold thin films are deposited on a flexible FR4 sheet using electro-deposition process to make a sixteen electrode array with electrodes of identical geometry. Boundary data are collected using a USB based high speed data acquisition system in a LabVIEW platform and the data are compared. Results show that the SNR of the boundary potentials obtained with gold electrode array is higher than that of a stainless steel array. Resistivity images reconstructed using EIDORS showed that the image quality is improved with gold electrode array.\",\"PeriodicalId\":401849,\"journal\":{\"name\":\"2011 IEEE Sensors Applications Symposium\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-03-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 IEEE Sensors Applications Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SAS.2011.5739810\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE Sensors Applications Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SAS.2011.5739810","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Gold electrode sensors for electrical impedance tomography (EIT) studies
Surface electrodes in EIT phantoms usually reduce the SNR of the boundary data due to their design and development errors. A novel gold electrode array with high geometric precision is developed for 2D electrical impedance tomography to increase the SNR of boundary data. Gold thin films are deposited on a flexible FR4 sheet using electro-deposition process to make a sixteen electrode array with electrodes of identical geometry. Boundary data are collected using a USB based high speed data acquisition system in a LabVIEW platform and the data are compared. Results show that the SNR of the boundary potentials obtained with gold electrode array is higher than that of a stainless steel array. Resistivity images reconstructed using EIDORS showed that the image quality is improved with gold electrode array.
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