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How AI Is Splitting the PCB Industry in Two: Laminate, High-Layer-Count, and HDI Trends

2026-11-03 17:00:00 | pcba-mkr

A striking shift is happening in printed circuit boards. According to market analysts at Yole, AI is effectively splitting the PCB industry into two: a fast-growing segment built around AI-dedicated, high-performance boards, and a slower, more commoditized segment serving conventional electronics.

The numbers are dramatic. Upstream, the laminate market is expected to roughly double to $46 billion as AI-dedicated materials displace standard grades. Demand is concentrating in high-layer-count boards, HDI designs, and substrates with tightly controlled dielectric properties for high-speed signaling. Automotive is the second, more durable growth vector, projected to exceed $23 billion by 2031 with a 14% CAGR, driven by EV powertrain boards and ADAS compute.

What this split means for PCB buyers:
- High-performance board capacity is filling fast; early qualification is essential.
- HDI and high-layer-count capabilities are increasingly the differentiator among suppliers.
- Standard commodity boards remain available but offer thinner margins and less urgency.

For engineers and procurement teams, the takeaway is to match the board supplier to the application. If your design is AI, networking, or high-speed oriented, prioritize fabricators with proven high-layer-count and HDI experience and confirm material availability before committing to a design. If you are on the commodity side, focus on cost and reliability rather than chasing scarce high-end capacity.