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Efecto de los rayos cósmicos en las memorias de los ordenadores.
Science (New York, N.Y.)
|November 16, 1979
Resumen
Los rayos cósmicos pueden causar errores en la memoria de la computadora, especialmente en los dispositivos futuros. Comprender las interacciones de partículas y los factores ambientales como la altitud puede ayudar a mejorar la fiabilidad de los dispositivos electrónicos.
Área de la Ciencia:
- Física Física es la física de las cosas.
- Ingeniería informática Ingeniería informática.
- Ciencia de los materiales Ciencia de los materiales.
Sus antecedentes:
- Los rayos cósmicos representan una amenaza para los componentes electrónicos sensibles.
- Comprender las interacciones de las partículas con el silicio es crucial para predecir los errores de memoria.
Objetivo del estudio:
- Desarrollar un método para evaluar los efectos de los rayos cósmicos en la memoria del ordenador.
- Para estimar las tasas de error inducidas por rayos cósmicos en dispositivos de memoria actuales y futuros.
Principales métodos:
- Revisión del flujo de partículas de rayos cósmicos a nivel del mar.
- Estimar las interacciones de las partículas con el silicio, centrándose en la generación de explosión de carga.
- Relacionar los pulsos de carga con los componentes del circuito integrado para estimar las tasas de error.
Principales resultados:
- Los nucleones y muones de los rayos cósmicos causan errores marginales en las memorias actuales.
- Los futuros circuitos de memoria pueden experimentar significativos errores inducidos por rayos cósmicos.
- Las tasas de error aumentan drásticamente con la altitud, lo que sugiere pruebas basadas en la altitud.
Conclusiones:
- Se ha establecido un método para evaluar los efectos de los rayos cósmicos en la memoria del ordenador.
- El blindaje, la altitud y el ciclo solar influyen significativamente en las tasas de error.
- Se justifica una mayor investigación sobre la mitigación de rayos cósmicos para la electrónica de próxima generación.
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