The dimensional stability of homemade polyimide film is far lower than that of overseas electro-thermal film. Improvement should be on the chemical structure, manufacturing technique and equipment.
国产聚酰亚胺薄膜的尺寸稳定性远低于国外电子膜，树脂的化学结构、生产工艺和生产设备都有待改进。
The dimensional stability of homemade polyimide film is far lower than that of overseas electro-thermal film. Improvement should be on the chemical structure, manufacturing technique and equipment.
国产聚酰亚胺薄膜的尺寸稳定性远低于国外电子膜，树脂的化学结构、生产工艺和生产设备都有待改进。
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