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Technical ArticleWhat is HDI?Time：2019-07-11 19:08:13 Click：
HDI-structured PCB actually belongs to the iyige field of the high-end circuit board industry and which is generally densely connected. That is to say, there are blind and buried vias in the PCB.
Furthermore, most of HDI PCBs adopt virtually laser vias, some of which still also use mechanical holes.
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