Customized high thermal conductivity black silicon nitride ceramic substrate

High thermal conductivity black silicon nitride ceramic substrate is a high-performance ceramic substrate manufactured using special formulas and processes, with excellent thermal conductivity, electrical insulation, high strength, and low dielectric loss characteristics. It is suitable for various third-generation semiconductor devices with high heat generation, such as IGBT, MOSFET, etc., and has good heat dissipation and packaging effects. This article will provide a detailed introduction to the features, performance, application areas, and customization process of the product.

Product Features
High thermal conductivity: The silicon nitride ceramic substrate has undergone special processing, with a thermal conductivity coefficient of over 80W/(m · K), far higher than traditional ceramic substrate materials such as aluminum oxide (Al ₂ O3) and aluminum nitride (AlN), ensuring more efficient heat conduction.
Electrical insulation: Silicon nitride ceramics have good electrical insulation properties, which can ensure the electrical safety of the device during operation.
High strength: Silicon nitride ceramic substrates have high bending strength and high fracture toughness, which can withstand large mechanical stresses, ensuring the reliability and service life of devices.
Low dielectric loss: Silicon nitride ceramics have low dielectric constant and dielectric loss, making them suitable for applications in high-frequency and high-speed electronic devices.
Black appearance: The product surface is black, with good visual effect and concealment, suitable for occasions with special color requirements.

performance parameter
Thermal conductivity:> 80W/(m·K)
Density: 3.1-3.3g/cm ³
Bending strength: 600-800MPa
Color: Black Grey
Purity: 99.9%
Thermal expansion coefficient: similar in height to SiC crystal substrate
Working temperature: can withstand high temperatures up to 1200 ℃ without reducing strength

Application area
Customized high thermal conductivity black silicon nitride ceramic substrates have broad application prospects in multiple fields:
New energy vehicles: used for key components such as motor drive modules and battery management systems to improve heat dissipation performance and extend service life.
Hybrid electric vehicles: used for packaging and cooling power devices such as inverters and controllers to ensure the stability and reliability of vehicle operation.
High speed rail: used for key components such as traction systems and braking systems to improve the system’s heat dissipation performance and reliability.
Electronic power: used for packaging and heat dissipation of high-power electronic devices, such as IGBT modules, MOSFET modules, etc., to improve the heat dissipation efficiency and stability of the devices.

CUSTOMIZATION PROCESS
Requirement communication: Customers contact us to provide specific customized requirements, including substrate size, thermal conductivity, strength requirements, etc.
Design confirmation: We conduct preliminary design and scheme confirmation based on customer requirements to ensure that the product meets customer requirements.
Raw material preparation: Select high-purity silicon nitride powder, undergo special processing to ensure product quality.
Forming and sintering: Advanced forming and sintering processes such as casting and pressure sintering are used to ensure that the substrate has good thermal conductivity and mechanical properties.
Performance testing: Conduct strict performance tests on the finished product, including thermal conductivity testing, strength testing, electrical insulation testing, etc., to ensure that the product meets quality standards.
Delivery and after-sales service: Deliver finished products to customers and provide comprehensive after-sales service to ensure that customers receive timely technical support and solutions during use.

The high thermal conductivity black silicon nitride ceramic substrate has become an ideal choice in the fields of new energy vehicles, hybrid vehicles, high-speed rail, electronic power, etc. due to its excellent thermal conductivity, electrical insulation, high strength, and low dielectric loss. We are committed to providing customers with high-quality customized services to ensure that our products meet their actual needs. If you have any questions or needs, please feel free to contact us at any time.