Aluminum nitride has the characteristics of high thermal conductivity, high resistivity, good electrical insulation, high strength, wear resistance and high temperature resistance. Its application prospects are broad, mainly including the following fields:

1.Electronic Field

Packaging substrate material: The thermal expansion coefficient of aluminum nitride ceramic substrate is very close to that of silicon. Various IC chips and high-power devices can be directly attached to the aluminum nitride ceramic substrate to realize chip-on-board packaging, which can effectively reduce the thermal resistance of the chip during operation and improve the reliability and life of the device. It is an ideal material for the new generation of high-integration semiconductor substrates and electronic packaging, and is widely used in LED, power semiconductors, RF components and other fields.

Thermal conductive filler: Adding aluminum nitride powder to polymer materials such as epoxy resin can improve the thermal conductivity of the material and enhance its strength, meet the high requirements of electronic products for heat dissipation and stability, and can be used in the packaging field.

High-frequency power devices: Its high thermal conductivity helps to improve the performance of the device and reduce the risk of thermal failure. It has important applications in high-frequency power device fields such as 5G communication and 6G communication, and promotes the development of communication technology.

Piezoelectric ceramics and films: Aluminum nitride films have unique properties such as extremely high ultrasonic transmission speed, small acoustic wave loss, and a large piezoelectric coupling constant. They can be used to manufacture surface acoustic wave devices and have broad application prospects in the fields of machinery, microelectronics, optics, electronic components, high-frequency broadband communications, etc.

2.Aerospace Field

Electronic packaging and substrates: Due to its excellent thermal conductivity, electrical insulation, and thermal expansion coefficient matching that of silicon, aluminum nitride ceramics are widely used in various fields of aerospace electronics, such as copper-clad substrate materials, electronic packaging materials, ultra-high temperature device packaging materials, high-power device platform materials, high-frequency device materials, etc.

Sensor film materials: It can be used to manufacture various sensors in spacecraft, such as film materials for satellite-borne accelerometers, gyroscopes, oscillators, filters, etc., to improve the performance and reliability of sensors.

Coatings and functional enhancement materials: As coating materials, they can enhance the high temperature resistance, wear resistance, and corrosion resistance of aerospace components and extend the service life of components.

3.Energy Field

Heat exchanger: In the thermal management system of new energy vehicles, rail transit and other fields, as a heat exchanger material, it can efficiently conduct and dissipate heat to ensure the stable operation of the system.

Fuel cell: Its good electrical insulation and corrosion resistance make it potentially applicable in the field of fuel cells. It can be used as a diaphragm, electrode support and other materials for fuel cells to improve the performance and safety of fuel cells.

Solar cells: In the manufacture of solar cells, aluminum nitride can be used to prepare electrodes, passivation layers, etc., to improve the conversion efficiency and stability of solar cells.

4.Automotive Field

New energy vehicle power module: With the development of new energy vehicles, the requirements for heat dissipation and insulation of power modules are getting higher and higher. Aluminum nitride ceramic substrates can be used for the packaging of power modules to improve the performance and reliability of power modules and extend their service life.

Automotive electronic components: In automotive electronic control units, sensors and other components, aluminum nitride can be used as packaging materials and heat dissipation materials to ensure the normal operation of electronic components in harsh environments such as high temperature and high humidity.

5.Chemical Industry

Catalysts and reaction vessels: Aluminum nitride has high corrosion resistance and excellent chemical stability. It can be used as a catalyst carrier and reaction vessel material for various reaction processes in chemical production to improve reaction efficiency and product quality.

6.Other Fields

Optical field: Aluminum nitride has good optical properties, such as optical transparency and heat resistance, and can be used to manufacture optical devices such as optical windows, optical fibers and lasers.

Mechanical field: Aluminum nitride has a high hardness, second only to diamond, and can be used to manufacture wear-resistant materials such as knives, abrasives, etc., to improve mechanical processing efficiency and quality.