The AI Infrastructure Stack
Overview  /  Tier V Silicon  /  Layer 13: Advanced Packaging
Sub-category 13.4

IC Substrates (ABF) for Advanced Packaging

The high-layer-count organic substrate under the package. Capacity-constrained; lead times still 6–12 months.

Players

Players: Unimicron 3037.TW, Ibiden 4062.T, Shinko Electric 6967.T, Semco 009150.KS, AT&S ATS.VI, Kyocera 6971.T, Nan Ya PCB 8046.TW

Analysis coming soon — this page is scaffolding for deeper research into ic substrates (abf) for advanced packaging.