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聚酰亚胺薄膜热膨胀系数的不稳定性研究
Research on instability of thermal expand coefficient of polyimides film
【摘要】 测量了聚酰亚胺薄膜在冷热循环过程中各温度点的热膨胀系数。结果表明:聚酰亚胺薄膜的热膨胀系数具有不稳定性,当经四次冷热循环后才趋于稳定
【Abstract】 Thermal expand coefficient of polyimide films at each temperature was measured in the process of thermal cycling.The results showe that the thermal expand coefficient of polyimide film is instability,it tends to stabilization after four times of psychro-thermal cycles.
- 【文献出处】 绝缘材料 ,Insulating Materials , 编辑部邮箱 ,2005年02期
- 【分类号】TB383
- 【被引频次】6
- 【下载频次】449