Quantum well-modulated bipolar junction transistor
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United States of America Patent
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Nov 29, 2016
Grant Date -
Aug 27, 2015
app pub date -
Feb 25, 2015
filing date -
Feb 27, 2014
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Abstract
A semiconductor device includes a quantum well-modulated bipolar junction transistor (QW-modulated BJT) having a base with an area for a modulatable quantum well in the base. The QW-modulated BJT includes a quantum well (QW) control node which is capable of modulating a quantity and level of energy levels of the quantum well. A recombination site abuts the area for the quantum well with a contact area of at least 25 square nanometers. The semiconductor device may be operated by providing a reference node such as ground to the emitter and a power source to the collector. A bias voltage is provided to the gate to form the quantum well and a signal voltage is provided to the gate, so that the collector current includes a component which varies with the signal.
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