This microscopic X-ray animation shows one of the key technologies allowing advanced computer functionality to fit within the smartphone in your pocket: ‘microvias’ are laser drilled holes a small fraction of a millimetre in diameter. A typical high-density interconnect printed circuit board might possess thousands of microvias, which serve to connect multiple functional layers.
Click here for original story, ESA’s new dimension in printed circuit design
Source: ESA Space Engineering & Technology