2. Increase the circuit density of HDI PCB: the interconnection of traditional circuit boards and parts.
3. Conducive to the use of advanced construction technology.
4. Have better electrical performance and signal accuracy.
5. Better reliability.
6. Can improve thermal properties.
7. It can improve radio frequency interference/electromagnetic wave interference/electrostatic discharge (RFI/EMI/ESD).
8. Increase design efficiency.