本文从原材料、浸胶条件和半固化片指标控制以及压制条件等方面，对高玻璃化温度(Tg)FR-4层压板气泡产生原因进行了分析，并介绍了避免层压板气泡产生的工艺控制方法。
This paper analyses the reasons of the void occured in the High Tg FR-4 laminates during production.The effects of raw materials,the prepreg and the pressure processes on the void were discribed.The method of avoiding the void is introduced.
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