It is possible to form circuits on high-strength silicon nitride substrates. It is recommended for inverters and power module substrates.
The product is an insulating circuit board that bonds a copper plate to a silicon nitride substrate through an active metal solder. Although its thermal conductivity is about half that of aluminum nitride substrates (90W/mK), it excels in mechanical strength, allowing for the creation of substrates at half the thickness, resulting in thermal resistance values comparable to aluminum nitride substrates, making it a viable alternative. Utilizing its excellent fracture toughness, the substrate can be directly screwed onto a heat sink or ultrasonic bonded directly to electrode terminals on a copper circuit board, enabling a variety of mounting structures compared to aluminum nitride substrates. **Features** - Thermal conductivity is about half that of aluminum nitride substrates (90W/mK) - Excellent mechanical strength allows for substrates to be made at half the thickness - Results in thermal resistance values comparable to aluminum nitride substrates, making it a viable alternative - Excellent fracture toughness allows for direct screwing onto heat sinks or ultrasonic bonding of electrode terminals directly onto copper circuit boards *For more details, please refer to the related links or feel free to contact us.*
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Our company is a specialized trading firm that provides various materials primarily in the home appliance, automotive, information and communication, eco, and energy industries. We will celebrate our 80th anniversary in February 2026. In addition to a wide range of products such as electrical and electronic materials, chemical materials, metal materials, synthetic resin raw materials, industrial films, and molded products, as well as various types of wires and wire processed products, we also offer proposals for processing and assembly that combine various materials. Recently, we have been focusing on technical support solutions and development solutions, and we hope to be of service to you as your electronics solution partner.