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首页> 外文期刊>Nuclear Science, IEEE Transactions on >Generic Radiation Hardened Photodiode Layouts for Deep Submicron CMOS Image Sensor Processes
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Generic Radiation Hardened Photodiode Layouts for Deep Submicron CMOS Image Sensor Processes

机译:用于深亚微米CMOS图像传感器工艺的通用辐射硬化光电二极管布局

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摘要

Selected radiation hardened photodiode layouts, manufactured in a deep submicron CMOS Image Sensor technology, are irradiated by $^{60}{hbox {Co}}$ $gamma$-rays up to 2.2 Mrad(SiO$_2$) and studied in order to identify the most efficient structures and the guidelines (recess distance, bias voltage) to follow to make them work efficiently in such technology. To do so, both photodiode arrays and active pixel sensors are used. After 2.2 Mrad(SiO$_2$), the studied sensors are fully functional and most of the radiation hardened photodiodes exhibit radiation induced dark current values more than one order of magnitude lower than the standard photodiode.
机译:使用深亚微米CMOS图像传感器技术制造的选定的辐射硬化光电二极管布局,受到最高至2.2 Mrad(SiO $ _2 $)的$ ^ {60} {hbox {Co}} $$γ$射线的照射,并按顺序研究确定最有效的结构和指导原则(凹进距离,偏置电压),以使其在此类技术中有效工作。为此,同时使用了光电二极管阵列和有源像素传感器。在2.2 Mrad(SiO $ _2 $)之后,所研究的传感器即可正常工作,并且大多数经过辐射硬化的光电二极管的辐射感应暗电流值比标准光电二极管低一个数量级。

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