Who is Siltronic?
Siltronic AG is a manufacturer of hyperpure silicon wafers used as substrates for semiconductor devices in logic, memory, power, and analog applications.
- Production of hyperpure monocrystalline silicon wafers for semiconductor manufacturing
- Wafer diameters covering mainstream 200 mm and 300 mm nodes for logic and memory ICs
- Specialized wafers for power electronics, automotive, and industrial applications
- Global manufacturing footprint with sites in Europe, Asia, and the United States
- Collaborative development with semiconductor customers on wafer specifications and process integration
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More About Siltronic
Siltronic AG supplies hyperpure monocrystalline silicon wafers that serve as the base material for integrated circuits and discrete semiconductor devices used by foundries, integrated device manufacturers, and specialty semiconductor producers. Its wafers System Integration Testing (SIT) at the front end of the semiconductor value chain and are used in process flows for logic processors, DRAM and NAND memory, analog and mixed-signal ICs, and power components.
The company focuses on 200 mm and 300 mm wafer formats, which align with prevalent Chip Fabrication Plant (Fab) equipment configurations in advanced and mature process nodes. These wafers are manufactured to tight specifications on parameters such as crystal orientation, resistivity, oxygen and carbon content, defect density, thickness, flatness, and surface roughness, which are critical for downstream lithography, etch, deposition, and Chemical Mechanical Planarization (CMP) steps in CMOS and related process technologies.
Siltronic’s portfolio includes wafers tailored for power electronics and automotive applications, where requirements related to breakdown voltage, reliability under thermal cycling, and compatibility with high-voltage and wide-temperature operating environments are central. Customers use these wafers in devices for drivetrain control, power management, industrial automation, and other mission-specific electronics in automotive and industrial sectors.
The company operates manufacturing sites in Germany and other European locations, as well as in Asia and the United States, enabling supply to global semiconductor clusters. It typically collaborates with customers on wafer engineering and process integration topics such as epitaxial layer requirements, gettering behavior, defect engineering, and surface preparation compatible with advanced lithography tools and cleanroom standards.
Within an enterprise technology directory, Siltronic fits into the semiconductor materials and substrates category, supplying front-end wafer substrates rather than finished chips or electronic systems. Its offerings interface with Fab equipment ecosystems, design and manufacturing flows for logic and memory, and supply chains for automotive, industrial, and consumer electronics OEMs that depend on stable silicon wafer availability and consistent material characteristics.
Our description of Siltronic. Updated December 2025.
