Laser Drilling for HDI and High-Speed PCB: Complete Microvia Technology Guide
Laser drilling has become the most reliable microvia forming method for HDI miniaturized circuits and high-speed signal-controlled PCBs. As electronic products trend toward miniaturization and high-frequency performance upgrading, traditional mechanical drilling can no longer meet ultra-fine interconnection demands. Laser drilling hdi pcb adopts focused laser energy to ablate dielectric and copper foil in a non-contact…