Digital Agenda for Europe
A Europe 2020 Initiative

Dotfive (Towards 0.5 Terahertz Silicon/Germanium Heterojunction Bipolar Technology)

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Dotfive project ended in July 2011 after having fruitfully developed ‘Hetero-junction bipolar transistors’ (HBTs) that could reach 500GHz (or 0.5THz). In addition to the 77GHz band allocated by international standards, the project expects a new 120GHz band to be opened up for longer-range radar.
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