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History of the foundry model
The educational lineage behind the fabless bargain and the renewed importance of manufacturing control.
Re-sourced edition. This explainer adapts the site’s educational material to the current claim registry. Material numbers appear only in the governed evidence cards below.
Specialization unlocked entry
Separating design from manufacturing let more companies build semiconductor products without first constructing a complete production system. That division of labor remains one of the industry’s great enabling structures.
Scarcity changes the bargain
Outsourcing removes direct ownership, but it does not eliminate the need to secure qualified supply. When a constrained layer becomes strategic, allocation contracts and balance-sheet support move closer to the center of the business model.
Read the preserved lineage
The original six-era narrative remains available as a full educational chapter and is linked below.
Evidence
Claims supporting this explainer
The old CapEx-only proof of fabless capital efficiency is incomplete because material capacity exposure can appear as commitments, prepayments, inventory, guarantees, and investments.
Caveat. Do not state that every fabless company is more capital-intensive than every IDM.
Intel is a caution, while TSMC is evidence that competitive, highly utilized manufacturing ownership can produce superior economics.
Caveat. Avoid claiming that all owned capacity creates value.