Basic introduction of silicon nitride substrate

1. Material properties

High power density: Silicon nitride substrate has excellent power carrying capacity and is suitable for the application of high-power electronic devices.

High conversion efficiency: During the power conversion process, silicon nitride substrate can maintain a high conversion efficiency and reduce energy loss.

High temperature performance: Silicon nitride substrate has excellent high temperature stability and can work stably for a long time in a high temperature environment without performance degradation due to temperature increase.

High speed: In high-frequency circuits, silicon nitride substrates can provide low-loss and high-speed transmission performance.

High thermal conductivity: Silicon nitride substrate has high thermal conductivity and can effectively export heat to avoid damage to electronic equipment due to overheating.

Low thermal expansion coefficient: This helps to maintain the stability and reliability of the circuit and reduce thermal stress caused by temperature changes.

High thermal shock resistance: It can maintain structural integrity in an environment with rapid temperature changes.

Excellent mechanical properties: High bending strength and fracture toughness, more than twice that of aluminum nitride and aluminum oxide.

2. Application fields

Electronic circuit boards: Silicon nitride substrates are widely used in the field of electronic circuit boards, especially in situations where high temperature, high frequency and high power density are required.

Integrated circuits: As the substrate material of integrated circuits, it provides stable support and heat dissipation functions.

New energy vehicles: Silicon nitride substrates play an important role in the power conversion and drive systems of new energy vehicles.

Aerospace: Due to its excellent high temperature resistance and mechanical properties, silicon nitride substrates are also used in the aerospace field.

Rail transit: In the power system of rail transit, silicon nitride substrates also have broad application prospects.

3. Market prospects

Market demand growth: With the rapid popularization of electronic products such as electric vehicles and smart phones, as well as the rapid development of 5G communications, lighting markets and other fields, the market demand for silicon nitride substrates continues to grow.

Technological innovation and progress: With the continuous innovation and progress of silicon nitride substrate technology, its performance will be further improved, which will promote its popularization and application in the market.

Cost reduction: Although the manufacturing cost of silicon nitride substrates is relatively high at present, with the continuous advancement of technology and the continuous expansion of the market, its manufacturing cost is expected to gradually decrease.