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Analysis Of The Causes Of PCB Board Deviation
1. Reasons for inner layer deviation
The inner layer is mainly the process of transferring graphics from the film to the inner core board, so its layer deviation will only occur during the process of graphic transfer production. The main reasons for the layer deviation are: inconsistent inflation and shrinkage of the inner layer film, exposure machine Factors such as misalignment, improper operation during personnel alignment exposure, etc.
2. Reasons for the deviation of the laminated layer of the multilayer PCB board
The main reasons for the deviation of the laminated layer are: the inconsistent expansion and contraction of the core plates of each layer, the bad punching positioning hole, the fusion dislocation, the riveting dislocation, the sliding plate during the lamination and other factors.
Analysis Of The Causes Of PCB Board Deviation
1. Reasons for inner layer deviation
The inner layer is mainly the process of transferring graphics from the film to the inner core board, so its layer deviation will only occur during the process of graphic transfer production. The main reasons for the layer deviation are: inconsistent inflation and shrinkage of the inner layer film, exposure machine Factors such as misalignment, improper operation during personnel alignment exposure, etc.
2. Reasons for the deviation of the laminated layer of the multilayer PCB board
The main reasons for the deviation of the laminated layer are: the inconsistent expansion and contraction of the core plates of each layer, the bad punching positioning hole, the fusion dislocation, the riveting dislocation, the sliding plate during the lamination and other factors.
