SiC - CVD Silicon Carbide

SiC coatings are thin-film materials fabricated via chemical vapor deposition (CVD). Compared with monocrystalline silicon, silicon carbide features a breakdown electric field 10 times that of silicon and a bandgap three times larger than silicon. It also boasts superior high-temperature resistance, chemical corrosion resistance, outstanding wear resistance and excellent thermal conductivity.

Characteristic

Excellent Thermal Conductivity

Uniform Coating Thickness and High Surface Flatness

Strong Corrosion Resistance

Good Thermal Expansion Compatibility with Graphite, Ensuring Strong Adhesion

Parameter

Property Unit Value
Density g/cm³ 3.2
Decomposition Temperature °C 2700
Hardness (HK) HK 2800
Electrical Resistivity Ω·m 0.2
Flexural Strength MPa 470
Young’s Modulus GPa 460

Application field solutions

Silicon Epitaxial Substrates: Provide a low-defect, high-thermal-conductivity support platform, ensuring uniform epitaxial layer growth and efficient heat dissipation.

Single-Crystal Silicon Manufacturing Equipment Components: Used as crucible liners, flow-guiding, and thermal insulation structures. They offer high-temperature and corrosion resistance, preventing contamination of molten silicon.

MOCVD Substrates: Used as base substrates for GaN and other epitaxial growth processes, directly influencing the quality and performance of epitaxial layers.

Heater Components: Applied in high-temperature heating systems to provide a uniform and stable heat source.

Heat Sink Components: Used for rapid heat conduction and dissipation to maintain stable equipment temperatures.

Anti-Oxidation Components: Used for protection in high-temperature oxidative environments, reducing oxidation-related material degradation.

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