Search for dissertations about: "Mattias Dahlström"
Found 1 swedish dissertation containing the words Mattias Dahlström.
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1. Ultra High Speed InP Heterojunction Bipolar Transistors
Abstract : This thesis deals with the development of high speed InPmesa HBTs with power gain cutoff frequencies up toand above 300 GHz, with high current density and low collectordischarging times.Key developments are Pdbased base ohmics yielding basecontact resistances as low as 10 Ωµm2, basecollector grades to enable to use ofInP in the collector, and an increase in the maximum currentdensity through collector design and thermal optimization. READ MORE
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