Difficulties in alignment between inner layers by producing Rigid flex PCB
The number of multi-layer boards is increasing, and the alignment requirements of the inner layers are getting higher and higher. The film will expand and contract due to the influence of the temperature and humidity of the workshop environment, and the core board will have the same expansion and contraction when produced, which makes it more difficult to control the alignment accuracy between the inner layers.
Suggestion: To manufacture super-multilayer PCB boards, we must find strong and experienced PCB manufacturers to produce. For example, Sun&Lynn Rigid flex PCB factory can produce 2-48 layers of PCB and has 19 years of Rigid flex PCB production experience.
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