HDI PCB, or High-Density Interconnect Printed Circuit Board, is a type of printed circuit board that allows for higher component density and increased functionality in electronic devices. HDI PCBs are designed with advanced technologies to accommodate finer traces, smaller vias, and thinner materials, enabling a higher number of interconnected components in a compact space.

HDI PCBs utilize microvias, which are small diameter holes that are drilled or laser ablated, to create connections between different layers of the PCB. This allows for the routing of more signals and power through the board, making it suitable for applications that require higher speed, greater reliability, and miniaturization.

With the ability to integrate more components and reduce signal interference, HDI PCBs are commonly used in mobile phones, tablets, laptops, wearables, medical devices, and other compact electronic devices. They offer advantages such as improved electrical performance, reduced signal loss, shorter signal propagation paths, and better thermal management.

Overall, HDI PCBs are critical in meeting the evolving demands of modern electronic devices that require high functionality and miniaturization.

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