How to place vias on pcb?
How do manufacturers put multiple Vias from top layer to bottom layer? Anyone can help me ?
For the vias, a good guess is these are Gnd or Vcc vias. Good for interconnecting multiple planes. I have however never seen digital boards requiring these vias to be "sprinkled" closer than about a one inch grid. And normally they are present already for pwr and gnd vias to connect to bypass caps.
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