{"title":"A 500 dpi capacitive-type CMOS fingerprint sensor with pixel-level adaptive image enhancement scheme","authors":"Kwang-Hyun Lee, E. Yoon","doi":"10.1109/ISSCC.2002.993077","DOIUrl":null,"url":null,"abstract":"A 500 dpi capacitive CMOS fingerprint sensor with pixel-level adaptation image enhancement uses virtually-grounded metal shields to suppress parasitic capacitances and capacitive switching networks to generate local threshold level. A 210×100 sensor in 0.6 μm CMOS consumes 40 mW at 5 V supply.","PeriodicalId":423674,"journal":{"name":"2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCC.2002.993077","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
A 500 dpi capacitive CMOS fingerprint sensor with pixel-level adaptation image enhancement uses virtually-grounded metal shields to suppress parasitic capacitances and capacitive switching networks to generate local threshold level. A 210×100 sensor in 0.6 μm CMOS consumes 40 mW at 5 V supply.
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