Common problems of PCB after pressing by vacuum laminating machine

2021-03-02 16:36

In the production process of circuit board PCB, what is the reason for the cavity in the PCB after the lamination process using a vacuum laminating machine? Xiaobian as a dedicated vacuum laminating machine production home for you to make the following analysis:

1. The poor storage environment of the material causes water absorption and pressure to form bubbles.
2. The film is too volatile.
3. Insufficient glue content.
4. The copper foil of the inner layer is too thick or there is a buried hole, which consumes too much glue.


 

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