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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.

Epitaxial wafers have been used in the electronics industry for decades, but their importance has only increased as technology has advanced. In this article, we will explore what epitaxial wafers are and why they are such an essential component of modern electronics.

In the process of silicon wafer manufacturing, after the crystal rod is cut into silicon wafers, it will need to be polished and cleaned to obtain a single crystal silicon wafer like a mirror.

To achieve the high-quality requirements of IC chip circuit processes with line widths smaller than 0.13μm to 28nm for 300mm diameter silicon polishing wafers, it is essential to minimize contamination from impurities, such as metal ions, on the wafer's surface.

The thermal conductivity of bulk 3C-SiC, recently measured, is the second-highest among inch-scale large crystals, ranking just below diamond. Silicon carbide (SiC) is a wide bandgap semiconductor extensively used in electronic applications, and it exists in various crystalline forms known as polytypes. Managing high localized heat flux is a significant challenge in power electronics, as it can lead to device overheating and long-term performance and reliability issues.