HDI PCBs have a higher density per unit circuit than traditional PCBs. They use a combination of buried and blind vias and microvias (0.006 inches in diameter or less). A high-density board is a PCB that has one or more of the following features:
HDI PCBs have a higher density per unit circuit than traditional PCBs. They use a combination of buried and blind vias and microvias (0.006 inches in diameter or less). A high-density board is a PCB that has one or more of the following features: