High-density PCBs are commonly used to connect various components in small packages. They are equipped with fine feature technology to improve their electrical performance. This type of board has a smaller footprint and is ideal for reducing the size of the components. In addition to reducing the size of the PCBs, these features also improve the performance of the electrical components.

HDI PCBs are used in the design of advanced technology products, such as high-speed chips and large pin-count and fine pitch components. Due to their various features, such as fine lines， laser microvias, multiple laminations and high speed laminates, these PCBs offer a wide range of functions per unit area. With the addition of stacked microvias, these PCBs provide the necessary signal integrity and routing solutions for today's demanding applications.

High-density PCBs (HDI PCBs) are designed with the latest technologies to improve their functionality and signal integrity. These features allow them to utilize the same or less area for multiple features. The rapid emergence and evolution of new technology in the printed circuit board (PCB) industry has allowed companies to create new products that are designed to meet the needs of today's society. Some of these include 5G communications, wearable medical devices, and autonomous vehicles.