In the industrial fieldaluminum oxide (Al2O3)The development of high-temperature resistant insulating ceramics is satisfied with the application of modern technology in all walks of life. The most common ones used in "High-precision ceramic parts" products It is definitely "high alumina ceramic" (i.e.: High purity alumina ceramic).
IndustrialAlumina (Al2O3)Insulating ceramics, also known as device ceramics, are used to install, fix, and protect components in electronic equipment, as insulating supports for current-carrying conductors, and as ceramics for various integrated circuit substrates.
IndustrialAlumina (Al2O3)Insulating ceramics have small dielectric constant, low dielectric loss, high mechanical strength, and have high dielectric strength, insulation resistance and thermal conductivity. Commonly used industrial insulating ceramics include high alumina porcelain, talc porcelain, etc.
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With the development of the electronics industry, especially the advent of thick film, thin film circuits and microwave integrated circuits, higher requirements have been put forward for packaging industrial ceramics and substrates. Many new varieties, such as beryllium oxide porcelain, boron nitride porcelain, etc. Currently, we are researching and developing industrial insulating ceramics, aluminum nitride industrial ceramics and silicon carbide industrial ceramics. Their common feature is high thermal conductivity. Industrial insulating ceramics: High-alumina ceramics are industrial ceramics with α-alumina as the main crystal phase and containing more than 75% alumina. It has excellent electromechanical properties and is the most widely used industrial insulating ceramic. High alumina porcelain (high purity alumina ceramic) has a high melting point, high hardness and high mechanical strength, although the mechanical strength temperature decreases to over 1000°C.
Due to the increase in the relatively large thermal expansion coefficient, the thermal shock stability is reduced. It can be used to manufacture insulating ceramic parts for ultra-high frequency and high-power electric vacuum devices, as well as ceramic shells for vacuum capacitors, ceramic components for microwave tube energy transmission windows, and various ceramic substrates.
