Silicon Nitride Substrates

Silicon nitride ceramic substrate is a new generation of semiconductor substrate materials, made of high-purity silicon nitride powder, with excellent thermal conductivity and insulation, high mechanical strength and hardness, small thermal expansion coefficient, good thermal shock resistance performance, widely used in semiconductors and integrated circuits, including power components, inverters, power modules, multi-device integrated circuits, etc.

 

view all silicon nitirde substrates

Properties of Si3N4 Substrates

1. High temperature resistance, the maximum use temperature can reach 1300℃;

2. Large thermal conductivity, up to 95W/(℃*m), small thermal expansion coefficient, only 3*10-6/℃, with good thermal shock resistance;

3. High mechanical strength, good toughness, strong resistance to mechanical impact;

4. Good electric insulation, high breakdown voltage, large current carrying capacity;

5. It can resist erosion of various acid, alkali and other chemical substances, corrosion resistance is very good.

Technical Data of Silicon Nitride Materials

Si3N4 Type Gas pressure sintering Si3N4 Hot pressing sintering Si3N4
Density (g/cm3) 3.2 3.3
Flexture strength (MPa) 700 900
Young Modulus (GPa) 300 300
Poisson's ratio 0.25 0.28
Compressive strength (MPa) 2500 3000
Hardness (GPa) 15 16
Fracture toughness (MPa*m1/2) 5~7 6~8
Maximum working temperature (℃) 1100 1300
Thermal conductivity (W/m*K) 20 25
Thermal expansion coefficient (/℃) 3*10-6 3.1*10-6
Thermal shock resistance (ΔT ℃) 550 800

 

*This chart illustrates the standard characteristics of the silicon nitride materials commonly employed in the manufacturing of our Si3N4 products and parts. Please be aware that the attributes of customized silicon nitride products  and parts may vary depending on the specific processes involved. Detailed parameter is decided by type and composition of stabilizing agent.

Main Applications of Si3N4 Substrates

Silicon nitride ceramic substrate is mainly used in semiconductor, electronics and other microelectronics device manufacturing, as the substrate of chips and electronic components, including integrated circuit (IC), radio frequency (RF) devices, piezoelectric components, photoelectric components, sensors, MEMS and other micro electronic devices. As a high-performance material, silicon nitride ceramic substrate can provide a stable support platform to ensure normal operation and performance of the components.

 

1. Electronic Industry Applications

Silicon nitride ceramic substrate has high insulation performance and excellent high temperature resistance, can meet the high reliability and high performance requirements of electronic components, mainly used in the manufacture of electronic components, such as electronic capacitors, resistors, magnetic components and so on. In addition, it can also be used to manufacture the medium layer of high-speed communication equipment to ensure the stable transmission of high-frequency signals.

 

2. Photoelectric Industry

Silicon nitride ceramic substrates can provide good thermal performance and mechanical strength, and are widely used in the photoelectric industry, especially in the manufacture of high-power leds, ensuring the stability and life of LED components. In addition, it can also be used to manufacture support materials for solar panels to enhance their mechanical strength and chemical resistance.

 

3. Electrical Industry

Silicon nitride ceramic substrate has excellent insulation performance and good heat dissipation, and can be used to manufacture various high-power electrical components, such as power modules, heating modules, etc., effectively ensuring the service life and reliability of electrical equipment.

Customized Services

Process for Customized Request

 

⩟ Drawing and sample providing

⩟ Production solution and fabrication method evaluation

⩟ Cost calculation and quotation

⩟ Module cost payment

⩟ Sample delivery

⩟ Sample evaluation and confirmation

⩟ Down payment of bulk order 

⩟ Mass production

⩟ Batch product delivery

Why Choose Silicon Nitride Substrates From ATcera

 Extensive Supplier Expertise

Over 20 years experience in the field of advanced industrial ceramics, ATCERA is able to provide professional technical support and the most optimized solution.

 

 Sophisticated Production Infrastructure

Advanced processing equipment, and strict quality control system.

 

 Assured Batch Supply

Stable production capacity and supply chain, batch delivery cab be well guaranteed.

 

 Cost-Effective Excellence

High cost performance, and perfect after-sales service.

FAQ

Although our primary focus is on advanced ceramic materials such as alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and quartz ceramics, we are always exploring new materials and technologies. If you have a specific material requirement, please contact us, and we will do our best to fulfill your needs or find suitable partners.

Absolutely. Our technical team possesses profound knowledge of ceramic materials and extensive experience in product design. We are happy to provide you with material selection advice and product design support to ensure optimal performance for your products.

We do not have a fixed minimum order value requirement. We always focus on meeting our customers' needs, and we strive to provide quality service and products regardless of the order size.

In addition to ceramic products, we also provide a range of additional services, including but not limited to: customized ceramic processing services based on your needs, using blanks or semi-finished blanks produced by yourself; if you are interested in outsourced ceramic packaging and metallization services, please contact us for further discussion. We are always committed to providing you with a one-stop solution to meet your various needs.

Yes, we do. No matter where you are located globally, we can ensure the safe and timely delivery of your order.

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