In recent years, with the adjustment of national policies, the semiconductor industry has developed rapidly, the scale of the industry has increased rapidly, and semiconductor manufacturing equipment has continued to evolve towards precision and complexity. Because ceramics have the advantages of high hardness, high elastic modulus, high wear resistance, high insulation, corrosion resistance, and low expansion, they can be used as silicon wafer polishers, epitaxy/oxidation/diffusion and other heat treatment equipment, photolithography machines, and deposition equipment. Semiconductor etching equipment, ion implanters and other equipment components, therefore the research and development and production of high-purity alumina semiconductor ceramics directly affects the development of the semiconductor industry, and its preparation technology requirements are also getting higher and higher. So what are the characteristics of high-purity alumina semiconductor ceramics? Let’s take a look below!

　　The characteristics of high-purity alumina semiconductor ceramics are as follows: 

       1.High purity: High-purity alumina ceramics are made of pure alumina raw materials, with low impurity content, generally less than 0.1%. This high purity guarantees the material's excellent performance and reliability.   

       2. High-temperature stability: High-purity alumina ceramics have excellent high-temperature stability and can operate stably in high-temperature environments. Its melting point is as high as 2054°C, so it can be widely used in high-temperature processes.   

       3. Good insulation: High-purity alumina ceramic is an excellent insulation material with low thermal conductivity and good insulation properties. It can maintain stable insulation performance under high voltage and high frequency conditions, so it is widely used in the electronics, communications and power industries.   

       4. Super hardness: High-purity alumina ceramics have extremely high hardness and strength and can resist large pressure and impact. Its