The stimulated ignition of latchup effects caused by external radiation has so far proved to be a hidden hazard. Here this effect is described as a novel approach to detect particles by means of a solid-state device susceptible to latchup effects. In addition, the device can also be used as a circuit for reading sensors devices, leaving the capability of sensing to external sensors. The paper first describes the state-of-the-art of the project and its development over the latest years, then the present and future studies are proposed. An elementary cell composed of two transistors connected in a thyristor structure is shown. The study begins using traditional bipolar transistors since the latchup effect is originated as a parasitic circuit composed of such devices. Then, an equivalent circuit built up of MOS transistors is exploited, resulting an even more promising and challenging configuration than that obtained via bipolar transistors. As the MOS transistors are widely used at present in microelectronics devices and sensors, a latchup-based cell is proposed as a novel structure for future applications in particle detection, amplification of signal sensors and radiation monitoring.
|Titolo:||Feasibility study of a latchup-based particle detector exploiting commercial CMOS technologies|
|Data di pubblicazione:||2009|
|Digital Object Identifier (DOI):||10.1016/j.nuclphysbps.2009.10.095|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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