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TRENCHED VERTICAL POWER FIELD-EFFECT TRANSISTORS WITH IMPROVED ON-RESISTANCE AND BREAKDOWN VOLTAGE
TRENCHED VERTICAL POWER FIELD-EFFECT TRANSISTORS WITH IMPROVED ON-RESISTANCE AND BREAKDOWN VOLTAGE
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机译:改进的导通电阻和击穿电压的沟槽式垂直功率场效应晶体管
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摘要
Trenched vertical power field-effect transistors with improved on-resistance and/or breakdown voltage are fabricated. In one or more embodiments, the modulation of the current flow of the transistor occurs in the lateral channel, whereas the voltage is predominantly held in the vertical direction in the off-state. When the device is in the on-state, the current is channeled through an aperture in a current-blocking region after it flows under a gate region into the drift region. In another embodiment, a novel vertical power low-loss semiconductor multi-junction device in III-nitride and non-III-nitride material system is provided. One or more multi-junction device embodiments aim at providing enhancement mode (normally-off) operation alongside ultra-low on resistance and high breakdown voltage.
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