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There are six classifications for semiconductors, which are classified by product standard, processing signal type, manufacturing process, usage function, application field, and design method.

Japan recently restricted exports of 23 types of semiconductor manufacturing equipment. The announcement has sent ripples across the industry, as the move is expected to have a significant impact on global supply chains for semiconductor manufacturing.

There are several materials currently under investigation, among which silicon carbide stands out as one of the most promising. Similar to GaN, it boasts higher operating voltages, higher breakdown voltages, and superior conductivity compared to silicon. Moreover, thanks to its high thermal conductivity, silicon carbide can be utilized in environments with extreme temperatures. Lastly, it is significantly smaller in size yet capable of handling greater power.

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.

The suitability of viscose-based carbon fiber for insulation systems in high-temperature induction heating environments is primarily due to its key properties, including low thermal conductivity, high thermal stability, excellent thermal shock resistance, high purity and low impurity content, and lightweight processability.

Before discussing the Chemical Vapor Deposition (CVD) silicon carbide (Sic) process technology, let's first review some basic knowledge about "chemical vapor deposition." Chemical Vapor Deposition (CVD) is a commonly used technique for preparing various coatings. It involves depositing gaseous reactants onto a substrate surface under appropriate reaction conditions to form a uniform thin film or coating.