Mr. Semiconductor · Supply-Chain ResearchSOI / RF-SOI Substrates Industry Outlook
SOI / RF-SOI Substrates · Updated: Sep 15, 2026 08:44
Segment overview
Silicon-on-insulator substrates for RF front-ends, low-power MCUs and automotive radar, on a product path distinct from commodity silicon wafers.
Key investment drivers
- SOI penetration in RF front-ends
- Rising automotive-radar content
- Low-power MCU specification upgrades
Representative public companies
- Soitec (SOI.PA)
- Shin-Etsu Chemical (4063.T)
- GlobalWafers (6488.TWO)
Industry activity
42 / 100
Weakening industry activity
Market expectations
40 / 100
Weakening market expectation
Recent change
7-day 0 · 1-day -2
Latest verified research signals
The only source over the past three days is a French television programme preview of equity topics, which merely lists STMicroelectronics among CAC 40 related names. It discloses no information on SOI substrate demand, capacity, pricing, or
Supply-chain position
Upstream: —
Downstream: Mature & Specialty Wafer Fabrication
Mr. Semi publishes this research from public market and supply-chain data, with AI-assisted classification and summarization. For research purposes only; not investment advice.