芳香族聚酰亚胺薄膜介电性能的研究

CAS 2010 Proceedings (International Semiconductor Conference) Pub Date : 2010-12-03 DOI:10.1109/SMICND.2010.5650686

S. Chisca, V. Musteata, I. Sava, M. Brumǎ

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引用次数: 3

摘要

制备了芳香族聚酰亚胺薄膜，研究了其介电常数和弛豫行为。聚酰亚胺薄膜具有良好的绝缘性能，在1Hz和室温下介电常数在2.88 ~ 3.48之间。在亚玻璃温度下观察并研究了γ、β1和β2三个弛豫过程。讨论了与弛豫过程相关的分子运动的协同性。

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Study of dielectric behavior of aromatic polyimide films

Aromatic polyimide films were prepared and their dielectric constant and relaxation behavior were studied. Polyimide films have good insulating properties with dielectric constant values in the range of 2.88 – 3.48 at 1Hz and room temperature. Three relaxation processes (γ, β1 and β2) at sub-glass temperatures were observed and investigated. The cooperativity of the molecular motions associated with the relaxation processes was discussed.

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CAS 2010 Proceedings (International Semiconductor Conference)

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