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High-density trench DMOSFETs employing two step trench techniques and trench contact structure
ISPSD '03. 2003 IEEE 15th International Symposium on Power Semiconductor Devices and ICs, 2003. Proceedings., 2004A novel process technique for fabricating trench DMOSFETs using 3 mask layers (trench, poly, metal), two step trench technique, and trench contact structure is realized in order to obtain cost-effective production capability, higher cell density, and better leakage characteristics. A unit cell with a cell pitch of 1.6 /spl mu/m and a channel density of
null Jongdae Kim +3 more
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Trench-trench leakage current characteristics in the stacked trench capacitor (STT) cell
IEEE Transactions on Electron Devices, 1991Intercell leakage current characteristics of a stacked trench capacitor cell (STT) are investigated. The primary obstacle in downscaling the trench capacitor is the intercell leakage current caused by the parasitic field MOS transistor. This leakage current, called surface leakage current, is significantly reduced in the STT.
T. Hamamoto +4 more
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The trenches and trench warfare
2018By 1916 trench warfare had assumed a basic structure that could be found, with local variations, on all fronts. On each side of no man's land, the respective fronts were at least three trenches deep; the distance between the successive trench lines (and the width of no man's land itself) varied widely and often depended upon the local terrain ...
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Journal of the American Medical Association, 1919
In the spring of 1915 there began to appear in the British army in France a large number of cases of an acute infection resembling influenza. More careful investigation, however, soon showed that the disease was not influenza, but a new clinical entity.
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In the spring of 1915 there began to appear in the British army in France a large number of cases of an acute infection resembling influenza. More careful investigation, however, soon showed that the disease was not influenza, but a new clinical entity.
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