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Diseño molecular del volumen libre como una ruta hacia materiales dieléctricos de baja kappa
Timothy M Long1, Timothy M Swager
1Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA.
Journal of the American Chemical Society
|November 13, 2003
Resumen
Nuevos polímeros con subunidades de triptíceno crean volumen libre, reduciendo las constantes dieléctricas para circuitos integrados más rápidos. Estos materiales ofrecen baja absorción de agua y alta estabilidad térmica para la microelectrónica avanzada.
Área de la Ciencia:
- Química de Polímeros La Química de Polímeros es la química de los polímeros.
- Ciencia de los materiales Ciencia de los materiales.
- Nanotecnología La nanotecnología es la nanotecnología.
Sus antecedentes:
- Los circuitos integrados requieren materiales avanzados para el aislamiento.
- Los materiales con baja constante dieléctrica (baja kappa) permiten microprocesadores más rápidos y eficientes.
- Los materiales existentes se enfrentan a limitaciones para satisfacer las demandas de semiconductores de próxima generación.
Objetivo del estudio:
- Diseñar y sintetizar nuevos polímeros para aplicaciones de baja kappa.
- Para investigar el impacto de las subunidades de triptíceno en las propiedades del polímero.
- Desarrollar materiales para circuitos integrados más rápidos y más pequeños.
Principales métodos:
- Incorporación de subunidades de triptíceno en las columnas vertebrales del polímero.
- Rotación restringida de trípticos a través de múltiples puntos de fijación.
- Análisis comparativo de polímeros que contienen y no contienen triptíceno.
Principales resultados:
- Los polímeros de triptíceno exhiben una introducción significativa de volumen libre.
- Se observaron constantes dieléctricas reducidas en polímeros que contienen triptíceno.
- Se lograron propiedades mecánicas mejoradas y baja absorción de agua.
Conclusiones:
- La incorporación de triptíceno es una estrategia efectiva para el diseño de materiales con bajo contenido de kappa.
- Estos polímeros poseen propiedades deseables para aplicaciones de semiconductores.
- Los materiales desarrollados apoyan el avance de la próxima generación de microprocesadores y dispositivos de memoria.
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