200mm fab demand is heading for record highs in 2026, driven by power, analogue, MEMS and MCU devices. Here is why these fabs still matter — and the obsolescence risk hidden inside that demand.

200mm tools designed for ten years often run past twenty. Here is how to extend their service life through lifecycle staging, refurbishment, a spares strategy and targeted upgrades.

When an OEM discontinues a fab part, should you stockpile it or qualify a second source? A practical guide to LTB quantity, carrying cost, shelf-life and the decision logic for 200mm and legacy tools.

When an OEM issues an end-of-life or PDN notice for a legacy fab tool, the last-order and last-ship dates govern your response. Here is the action checklist, the JESD48 last-time-buy window, and when to pivot to a qualified second source.

A step-by-step guide to building an obsolescence management plan for a legacy 200mm fab, aligned to IEC 62402, with a risk-register template, monitoring cadence, budget model and governance roles for LAM, TEL and AMAT toolsets.

A qualified second-source part can match an OEM part in form, fit and function for 20–60% less. Here is how the two compare on qualification, price, lead time and warranty — and when to choose each.

A concrete playbook for keeping discontinued LAM and TEL tools in qualified production: score the obsolescence risk, then match second-source, last-time-buy, repair or upgrade to each failure.

What semiconductor equipment obsolescence means for 200mm and legacy fabs, why it happens, how the risk is measured, and the proven mitigation routes — last-time buy, qualified second source, repair and upgrade — mapped to IEC 62402.