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RISEvaluation of Smear and Its Effect on the Mechanical Integrity of Plated Through Hole-Inner Plane Interface in Thick Printed Wiring Boards
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In multi-layer printed wiring boards (PWBs), electrical connections between different layers are accomplished with plated through holes (PTHs). The reliability of the PTH barrel and the PTH-inner ...