8 inch SiC Wafer

Buy SiC wafer from China Manufacturer and Supplier can select HMT company. We are the professional 8inch SiC Wafer Supplier with many years experiences for SiC wafer produce. Both N-type and SI-type SiC Wafer are available in HMT. N-type means conductive type, doped with Nitrogen and resistivity is 0.015-0.025ohm.cm, SI-type means semi-insulating type, un-doped and resistivity is ≥1E7ohm.cm. For 8” SiC Wafer, we always provide competitive price but high quality to clients. They are willing to cooperate with us cause we are a reliable 8inch SiC Wafer Supplier.

1. N-Type Conductive Wafers:

• Dopant: Nitrogen (N)
• Resistivity: 0.015–0.025 Ω·cm
• Ideal for: MOSFETs, IGBTs, Schottky diodes

2. Semi-Insulating (SI-Type) Wafers:

• Resistivity: ≥1×10⁷ Ω·cm
• Intrinsic purity: Vapor-phase controlled
• Applications: RF/mmWave devices, GaN epitaxy wafers.
  

SiC Material Features

Silicon carbide (SiC) exhibits a remarkable combination of exceptional properties that make it invaluable across multiple industries. With an extraordinary Mohs hardness of 9.5 – second only to diamond in nature – SiC serves as an outstanding abrasive and cutting material. In industrial applications, SiC abrasives are widely used for grinding hard and brittle materials including metals, ceramics, and glass, enabling highly efficient material removal while significantly improving machining precision and surface quality. The material also demonstrates excellent chemical stability, maintaining its properties even under extreme conditions involving high temperatures, strong acids, or strong alkalis, making it ideal for demanding applications in chemical and metallurgical industries. For instance, SiC coatings in chemical reaction vessels effectively prevent corrosion of container walls, substantially extending equipment service life.

Additionally, SiC’s high thermal conductivity – several times greater than conventional ceramics – gives it significant advantages in thermal management applications. In electronic devices such as CPU heat sinks and high-power LED substrates, SiC efficiently dissipates heat to ensure stable operation under high-temperature conditions, preventing performance degradation or damage from overheating. Moreover, SiC maintains excellent mechanical strength even at elevated temperatures, a characteristic that has made it particularly valuable in aerospace applications. For example, in aircraft engine components exposed to high-temperature gases, SiC-reinforced composite materials can withstand thermal shock while improving engine efficiency and reliability, simultaneously reducing component weight and lowering energy consumption of the aircraft. These outstanding physical and chemical properties have established silicon carbide as a critical material for advanced industrial applications.