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As a wide-bandgap (WBG) semiconductor material, SiC's wider energy difference gives it higher thermal and electronic properties compared to traditional Si. This feature enables power devices to operate at higher temperatures, frequencies and voltages.

Carbon fiber (CF) is a type of fibrous material that contains over 95% carbon.

Chemical vapor deposition CVD refers to the introduction of two or more gaseous raw materials into a reaction chamber under vacuum and high temperature conditions, where the gaseous raw materials react with each other to form a new material, which is deposited on the wafer surface.

The third-generation wide bandgap semiconductor materials, such as Gallium Nitride (GaN) and Silicon Carbide (SiC), are renowned for their exceptional optoelectronic conversion and microwave signal transmission capabilities. These materials meet the demanding requirements of high-frequency, high-temperature, high-power, and radiation-resistant electronic devices. Therefore, they have vast application prospects in new-generation mobile communications, new energy vehicles, smart grids, and LED technologies. The comprehensive development of the third-generation semiconductor industry urgently requires breakthroughs in key core technologies, continual advancement in device design and innovation, and a resolution to import dependencies.

There are many types of gallium nitride (GaN), with silicon-based GaN being the most discussed. This technology involves growing GaN materials directly on a silicon substrate.

Among the core components of electric vehicles, automotive power modules—primarily utilizing IGBT technology—play a crucial role. These modules not only determine the key performance of the electric drive system but also account for over 40% of the cost of the motor inverter.