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Oxide traps for stressed MOSFET' s have been extensively investigated in the pastdecades,and the trap generation mechanism was presented[1— 4] .When oxide film isthinner than approximately 7nm,some new phenomena,such as SILC and soft... 相似文献
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Proportional Difference Operator (PDO) method is proposed for the first time to determine the key parameters of a MOSFET, including the threshold voltage and carrier mobility.This methoc is applied to the transfer characteristic of a MOSFET first, and then the effect of gate voltage on carrier mobility is considered. The dependence of carrier mobility on the gate voltage is obtained. 相似文献
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胜利油田牛庄油区王68开发区,自凤入开发后,地层能量下降很快,产是大幅度递减,为稳定产量,根据油藏特点,采取了压裂改造措施,压裂效果明显,压裂后432天,不考虑递减情况,5口井已经累计增油14368t,要出程度提高了1.37%,区块的地计量增加了12*10^4t。 相似文献