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Ultrafast high temperature - rectifier diode, built into silicon carbide.
Ultrafast high temperature - rectifier diode, built into silicon carbide.
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机译:超快高温-内置于碳化硅中的整流二极管。
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摘要
The invention is an ultra-fast, high frequency, high temperature rectifying diode formed in silicon carbide that comprises a monocrystalline silicon carbide substrate having a sufficient carrier concentration to give the substrate a first conductivity type, a first monocrystalline epitaxial layer of silicon carbide upon thesubstrate and having the same conductivity type as the substrate, and a second monocrystalline epitaxial layer of silicon carbide upon the first epitaxial layer and having the opposite conductivity type from the first epitaxial layer. One of the epitaxial layers has a carrier concentration greater than the carrier concentration of the other epitaxial layer, so that the layer with the lesser concentration is predominantly depleted at reverse bias. The first and second epitaxial layers form an abrupt p-n junction.
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