Silicon nitride ceramics have various important applications in the field of electronic engineering, mainly reflected in the following aspects:

Semiconductor manufacturing: Silicon nitride ceramics are often used as substrate materials in semiconductor manufacturing processes. In the semiconductor industry, substrate materials are used for the growth and preparation of semiconductor crystals, while silicon nitride ceramics have good chemical stability, thermal conductivity, and dimensional stability, making them suitable for use as high-quality crystal growth substrates.

Electronic component packaging: Silicon nitride ceramics are often used as packaging materials for electronic components. Its high-temperature stability and excellent mechanical properties can protect electronic devices from external environmental influences, and provide good insulation performance, helping to prevent electrical faults and damage to electronic components.

High frequency electronic devices: Silicon nitride ceramics have good high-frequency characteristics, low dielectric loss, and excellent dielectric performance, so they are often used as substrate materials for high-frequency electronic devices, such as microwave circuits, antennas, RF filters, etc. These devices require stable dielectric materials to support their high-frequency operation.

Microelectronic devices: In microelectronic devices, silicon nitride ceramics are also applied, such as manufacturing insulation layers, dielectric layers, etc. in integrated circuits. Its chemical stability and mechanical strength can protect microelectronic devices from environmental factors and provide good insulation performance.

Power electronic devices: Silicon nitride ceramics are also commonly used as heat dissipation substrates for power electronic devices. Its excellent thermal conductivity and high temperature resistance can effectively dissipate heat, maintain the stability and reliability of the device, and improve the efficiency of power devices