High-Density Multilayer Smartphone Motherboard PCB from Japan
8-layer high-density interconnect (HDI) PCB for smartphone motherboards, featuring microvias, blind/buried vias, and fine-pitch BGA pads for processors and modems. Falls under HTS 8534.00.00 as advanced bare printed circuits for mobile device assembly.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide controlled impedance test reports for high-speed signal layers in technical documentation
• Declare layer count and via structure (laser microvias vs. mechanical) to distinguish from simpler boards