Electronic ceramics are a new type of ceramic material with unique electrical, optical, magnetic, and other properties that are widely used in the field of electronic information. It is a basic component in the preparation of optoelectronics, microelectronics and electronics industries, and is a high-tech material with fierce international competition.
What are the main application prospects of electronic ceramics?
Electrical insulating ceramics
Electrical insulating ceramics are widely used in metal solution baths, molten salt containers, packaging materials, integrated circuit substrates, electrolytic cell linings, metal matrix composite reinforcements, active armor materials, heat sinks and heating parts of high-temperature furnaces due to their good thermal conductivity, low electrical conductivity, small dielectric constant, low dielectric loss, high mechanical strength and good chemical stability.
In the electronics and power industries, insulating ceramics such as insulators, insulating bushings, resistor substrates, coil frames, tube sockets of electronic tube power tubes and integrated circuit substrates of power equipment are mainly used for the installation, protection, support, insulation, connection and isolation of electrical devices.
Dielectric ceramics
Dielectric ceramics are currently widely used in the manufacturing materials of integrated circuit substrates due to their high strength, low dielectric loss, heat resistance and stability. For example, beryllium oxide, aluminum oxide, aluminum nitride and silicon carbide can be widely used as ceramic materials for integrated circuit substrates.
Piezoelectric ceramics
When piezoelectric ceramics are used as sensitive materials, the piezoelectric seismometers produced can monitor subtle vibrations that humans cannot perceive, thereby effectively predicting earthquakes and reducing losses; piezoelectric drivers made using the piezoelectric effect are important devices in the fields of microelectronics, precision machinery and bioengineering; piezoelectric ceramics are used in ultrasonic transmitters and can be used for ocean detection, underwater navigation, ultrasonic cleaning, medical imaging, solid flaw detection, ultrasonic disease treatment, etc. In addition, piezoelectric ceramics are also widely used in precision instruments, aerospace, office automation, micromechanical systems, precision positioning and other fields.
Semiconductor ceramics
Semiconductor ceramics come in many varieties, such as thermistors, humidity sensors, gas sensors, varistors and photoresistors. Among them, thermistor elements are widely used in industrial electronic equipment and household appliances; gas-sensitive ceramics are mainly used for meat freshness identification and wine identification; and humidity-sensitive ceramic sensors are mainly used in food processing, air conditioning, textiles and other fields; varistors are mainly used in superconducting energy transfer, high-voltage voltage stabilization, gapless lightning arresters and other aspects. In addition, semiconductor ceramics also have important applications in aerospace, electronic communications, instrumentation, radar and other fields.
High-temperature superconducting ceramics
High-temperature superconducting ceramics are widely used in transportation, power systems, environmental medicine, electronic engineering, high-energy nuclear experiments, and thermonuclear fusion. For example, in the power system, the zero resistance characteristics of superconducting ceramics can be used to undertake superconducting coils, power transmission and distribution, superconducting generators and other functions. In environmental medicine, superconducting instruments can be used for harmless treatment and wastewater purification. In high-energy nuclear experiments and thermonuclear fusion, superconductors can be used to manufacture instruments to detect particle motion tracks, and the strong magnetic field of superconductors can also be used to accelerate particles to obtain high-energy particles. In electronic engineering, superconductors, superconducting field effect transistors, superconducting quantum interference devices, superconducting flux quantum devices and other devices can be made. In addition, the application of high-temperature superconductors in ultra-high frequencies can be used for millimeter wave communications, which will make TV pictures clearer.
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