{"title":"HVCMOS pixel detectors — methods for enhancement of time resolution","authors":"R. Schimassek, F. Ehrler, I. Perić","doi":"10.1109/NSSMIC.2016.8069903","DOIUrl":null,"url":null,"abstract":"High-Voltage CMOS (HVCMOS) pixel sensors are depleted active pixel sensors implemented in standard commercial CMOS processes. HVCMOS pixel sensors will be used, or are proposed, for several experiments: Mu3e, ATLAS, CLIC. Thanks to charge collection with a high electric field, HVCMOS sensors have potentially a very high time resolution. The time resolution is limited by the rise time of the amplifier. In this article, means for enhancement of time resolution are described: A compensation method shifting the detection time depending on the signal height, an enhanced comparator — the time walk compensating comparator — and the sampling of the signal.","PeriodicalId":184587,"journal":{"name":"2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NSSMIC.2016.8069903","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
High-Voltage CMOS (HVCMOS) pixel sensors are depleted active pixel sensors implemented in standard commercial CMOS processes. HVCMOS pixel sensors will be used, or are proposed, for several experiments: Mu3e, ATLAS, CLIC. Thanks to charge collection with a high electric field, HVCMOS sensors have potentially a very high time resolution. The time resolution is limited by the rise time of the amplifier. In this article, means for enhancement of time resolution are described: A compensation method shifting the detection time depending on the signal height, an enhanced comparator — the time walk compensating comparator — and the sampling of the signal.
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