PCB Etch Back: Enhancing Layer Connectivity in Pri..

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PCB Etch Back: Enhancing Layer Connectivity in Printed Circuit Boards | #TechSparks

PCB Etch Back: Enhancing Layer Connectivity in Printed Circuit Boards

PCB Etch Back: Enhancing Layer Connectivity in Printed Circuit Boards

During the drilling process, a potential challenge arises when the drilling temperature surpasses the substrate's glass transition temperature. This elevated temperature can lead to the melting of epoxy resin, resulting in smearing along the hole's inner walls. This smear subse

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