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Hot carrier stress in 70-nm nMOSFET with various bias conditions

机译:各种偏置条件下70nm nMOSFET中的热载流子应力

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This study presents a 70-nm nMOSFET degradation by hot carrier stress. The DC performance drifts of the device due to hot carrier stress are examined experimentally before and after stress for a 70-nm nMOSFET. Although the substrate current of a 70-nm nMOSFET has different characteristics from that of a long channel device, it can be a good indicator of hot carrier stress. The industrial practice to estimate the device lifetime using the measured lifetime versus 1/VDS plot cannot be applied to a 70-nm nMOSFET, but the method using the substrate current is useful to for this application.
机译:这项研究提出了由于热载流子应力导致的70 nm nMOSFET退化。在70纳米nMOSFET施加应力之前和之后,通过实验检查了由于热载流子应力引起的器件直流性能漂移。尽管70纳米nMOSFET的衬底电流具有与长沟道器件不同的特性,但它可以很好地指示热载流子应力。使用测得的寿命/ 1 / VDS图来估计器件寿命的工业实践不能应用于70-nm nMOSFET,但是使用衬底电流的方法对该应用很有用。

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