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Process for manufacture of radiation resistant power MOSFET and radiation resistant power MOSFET
Process for manufacture of radiation resistant power MOSFET and radiation resistant power MOSFET
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机译:耐辐射功率MOSFET的制造方法和耐辐射功率MOSFET
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摘要
A process for producing a radiation resistant power MOSFET is disclosed. The gate oxide is formed toward the end of the processing and is not exposed to substantial thermal cycling. Arsenic doping is used in the early part of the process to form the source region, and diffused too slowly to be adversely affected by later thermal cycling process steps. The source region has a relatively high resistance to act as a ballasting resistor to prevent burnout of one of a large number of parallel connected cells.
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