POFV for PCB,Via-in-pad plated over,IPC4761 Type VII
As the speed signal, performance requirements and routing density increasing, the use of advanced technology of PCB is becoming more and more important, as a result, many BGA placeholder area within the PCB design is adopted the via-in-pad plated over (VIPPO) structure or called plated over filled via (POFV) structure.
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