Emkhakheni wezinto ze-elekthronikhi, ama-HDI PCB abe yingxenye ebalulekile yamabhodi wesifunda anamuhla. I-HDI, emele i-High-Density Interconnect, kubhekisa ohlotsheni lwebhodi lesifunda eliphrintiwe elinobuningi obuphezulu nolayini obuhle kanye nezikhala kune-PCB yendabuko. Ama-HDI PCB anikeza izinzuzo eziningi, kufaka phakathi ukusebenza okwandayo ngezici ezincane, ubuqotho besignali obuthuthukisiwe, kanye nokubheja