Conversion · Germany
Siltronic
WAF GR Work there, own it, buy from it ↓
Silicon wafers — holds How this is computedCount of bottlenecks on which this organisation is recorded as a producer, a holder of the capacity, or a supplier of a critical part.Method →Code → of the How this is computedCount of rows in the bottleneck corpus: every material plus every non-material chokepoint.Method →Code → bottlenecks tracked here.
Why graded so · European supply of an input with almost no European alternative.
Role cited from siltronic.com ↗. The grade is this project’s judgement. Report an error
Searching is free and needs no AI. Summaries use your own AI model.
01Chokepoints it holds
- 300 mm prime silicon wafersEstimate by Substrata, 2026-09-15: concentration 3 + substitution 3 + lead time 2 + inelasticity 3 = 11 of 12. The corpus tracks five producers of prime 300 mm wafers. Their product pages establish production, not global coverage, market share or customer contracts. Qualification constraints and demand from new fabs remain analyst hypotheses to investigate.Estimate, not a measurementconcentration 3 + substitution 3 + lead time 2 + inelasticity 3 = 11 of 12. The corpus tracks five producers of prime 300 mm wafers. Their product pages establish production, not global coverage, market share or customer contracts. Qualification constraints and demand from new fabs remain analyst hypotheses to investigate.By Substrata · 2026-09-15Supporting source →/123+3+2+3
Convert · Within two years
Other makers: Shin-Etsu Handotai JP, SUMCO JP, GlobalWafers TW, SK Siltron KR
Score = concentration + substitution + lead time + inelasticity, each 0–3, an analyst judgement dated 2026-09-15; open a score for its rationale and assessment. Makers are those the corpus records, not the whole market. No market-share figure is sourced, so none is shown.
02What has happened
About what it holds, not naming Siltronic
- 2026-07-31300 mm prime silicon wafers
Silicon wafer shipments reached 3,573 million square inches in the second quarter, up 7.4% on the year. eenewseurope.com ↗
03Unread leads
Semiconductor Silicon Wafer Industry Q3 2026 In-Depth Analysis: Opportunities And Challenges Amid Supply-Demand Reshaping sibranchwafer.com ↗
United States Semiconductor Silicon Wafer Market - Share, Trends, Statistics, and Growth Forecasts (2026-2031) | AI and CHIPS Act Investments Accelerate 300 mm Wafer Demand uk.finance.yahoo.com ↗
Okmetic: Rising demand and changing supply dynamics on the wafer market silicon-saxony.de ↗
GlobalWafers Warns of Emerging 12-Inch Wafer Supply Constraints < Supply Chain < 기사본문 thelec.net ↗
Silicon Wafer Prices Surge 40% in 2027: AI Demand shattered.io ↗
SEMI reports 7.4% rise in silicon wafer shipments eenewseurope.com ↗
Pages the sweep found on these chokepoints. Nobody here has read them yet; they are not events and not evidence.
04Others at the same step of the chain
- Shin-Etsu Handotai300 mm prime silicon wafersChokepoint
- SUMCO300 mm prime silicon wafersChokepoint
- GlobalWafersSilicon wafersConcentrated
- SK SiltronSilicon and SiC wafersConcentrated
- Momentive TechnologiesFused quartz cruciblesChokepoint
- Shin-Etsu QuartzFused quartz componentsChokepoint
- FerrotecQuartz and fab consumablesConcentrated
- Element SixCVD synthetic diamondConcentrated
- CoherentSiC substrates, diamond, photonicsConcentrated
- WolfspeedSilicon carbide substratesConcentrated
- ResonacSiC epitaxy and fab materialsConcentrated
- FujikuraREBCO superconducting tapeConcentrated
- Faraday Factory JapanREBCO superconducting tapeConcentrated
- Neo Performance MaterialsRare-earth magnets and materialsConcentrated
- Less Common MetalsRare-earth alloys and stripChokepoint
- Nippon SteelGrain-oriented electrical steelConcentrated
- POSCOGrain-oriented electrical steelConcentrated
- Indium CorporationHigh-purity metals and soldersConcentrated
05Ways to take part
Not investment advice. This says how the public can reach a company — a job, its shares, its products — not whether anyone should. It takes no account of anyone’s circumstances, and a company holding a chokepoint is not a reason to own it. What this is not
- Work there
- It publishes its roles on its own careers page.Official careers page ↗
- Own part of it
- Its shares trade publicly as WAF GR, bought and sold through a broker that reaches that exchange.WAF GR listing record ↗
- Buy from it
- What it does in the chain: Silicon wafers. At this depth of the chain most sales are to other businesses, under contract. Its own page describes what it offers.Its own page ↗
06Hiring
Its roles are published on its own site, which Substrata links rather than reads. Official careers page ↗
07What this holds up
- Siliconone turn: Months
makes 300 mm prime silicon wafers, which gates it.
Worst judgement on this loop: How this is computedThe highest severity score among the bottlenecks recorded as gates on the loop.Method →Code →, judged 2026-09-15 · this join is sourced
- Materials qualificationone turn: Years
makes 300 mm prime silicon wafers, which gates it.
Worst judgement on this loop: How this is computedThe highest severity score among the bottlenecks recorded as gates on the loop.Method →Code →, judged 2026-09-15 · this join is sourced
A loop is one design, build and measure turn. Severity is a dated judgement on a 0–12 scale, not a measurement, and the judgements are not added together — the figure shown is the worst single one.
08Sources
- siltronic.com ↗ — its role in the chain: Silicon wafers
- siltronic.com ↗ — 300 mm prime silicon wafers: convert
Discussion
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