Polysilicon-emitter bipolar transistors with interfacial nitride
Polysilicon emitter transistors with interfacial nitride and low emitter resistance have been fabricated reproducibly. The use of a phosphorus emitter has reduced the emitter resistance to a level comparable to that of barrier-free poly emitters. It is shown that the enhanced gain due to the interfa...
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Sprache: | eng |
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Zusammenfassung: | Polysilicon emitter transistors with interfacial nitride and low emitter resistance have been fabricated reproducibly. The use of a phosphorus emitter has reduced the emitter resistance to a level comparable to that of barrier-free poly emitters. It is shown that the enhanced gain due to the interfacial barrier can be traded off for a reduction in base resistance. The authors have investigated the thermal stability, electrical reliability and noise characteristics of the transistors.< > |
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DOI: | 10.1109/BIPOL.1992.274077 |