Ibiden is the #2 global ABF substrate manufacturer after Unimicron. The company is expanding Japan-based ABF substrate capacity with government support, with new factory output expected in 2026. Ibiden serves the highest-layer-count CoWoS packages requiring premium substrates. Like Unimicron, it is a direct beneficiary of the CoWoS packaging bottleneck as a constrained input supplier running near full utilization.
Ibiden operates in the Semiconductors & Supply Chain (Materials & Chemicals) sector, tracked across Tessara's AI infrastructure intelligence platform as a component of the Compute Regime Score (CRS).
Tessara tracks Ibiden across 1 signals in the last 30 days, providing real-time AI infrastructure intelligence including supply chain analysis, regulatory exposure, and competitive positioning. Data updated continuously from 80+ sources.