CVD Diamonds

Benefits of CVD Diamonds in Semiconductors

  • Enhanced Heat Dissipation

    Superior thermal conductivity ensures efficient heat removal in high-power devices.

  • High-Voltage Tolerance

    Wide bandgap and high breakdown voltage make CVD diamonds ideal for high-voltage power electronics.

  • Durability

    Mechanical hardness and chemical inertness ensure long-term reliability in harsh environments

  • High-Speed Switching

    CVD diamonds support faster switching speeds in RF and high-frequency applications.

  • High-Speed Switching

    CVD diamonds support faster switching speeds in RF and high-frequency applications.

  • Room-Temperature Quantum Operation

    CVD diamonds enable the development of practical, room-temperature quantum computing devices.

Our Expertise

Advanced CVD Diamond Production

Leveraging cutting-edge CVD technology, we produce both polycrystalline and single-crystal diamonds engineered for semiconductor applications. These diamonds offer exceptional thermal conductivity and mechanical strength, making them ideal for high-performance semiconductor devices.

Applications of CVD Diamonds in Semiconductor Devices

  • Power Electronics

    Superior thermal conductivity enables efficient heat dissipation in IGBTs, Schottky diodes, and power transistors, enhancing their performance and longevity.

  • High-Frequency Devices

    CVD diamonds support faster switching speeds and higher frequencies in RF amplifiers and microwave devices due to their wide bandgap and high electron mobility.

  • Quantum Computing

    Nitrogen-vacancy (NV) centres in CVD diamonds serve as qubits for quantum processors and sensors, operating at room temperature with long coherence times.

  • Thermal Management

    CVD diamonds are used as heat sinks and spreaders in high-power electronics and optoelectronic devices to manage heat efficiently.

  • Optoelectronics

    In laser diodes and high-power LEDs, CVD diamonds improve thermal management, ensuring stable and long-lasting operation.

  • Wide Bandgap Semiconductor Devices

    CVD diamonds enhance the thermal and electrical performance of wide bandgap materials like GaN and SiC, enabling higher efficiency, faster switching speeds, and improved reliability in high-power and high-frequency applications.

Why CVD Diamonds Outperform Traditional Materials?

In high-performance applications, especially in advanced electronics, laser systems, and quantum technologies, CVD diamonds clearly outperform traditional materials, offering the best balance of thermal conductivity, electrical insulation, and mechanical strength.

Key performance criteria compared to other popular materials:

Property Diamond Copper Aluminum Aluminum Nitride (AlN) Thermal Grease
Thermal Conductivity 1000-2200 W/m·K 400 W/m·K 205 W/m·K 140-180 W/m·K 1-5 W/m·K
Electrical Insulation Yes (Very high resistivity) No (Good conductor) No Yes (Good insulator) Yes
Mechanical Strength Extremely high hardness Moderate Low High N/A (soft material)
Weight/Density 3.52 g/cm³ (light weight) 8.96 g/cm³ (light weight) 2.7 g/cm³ (light weight) ~3.26 g/cm³ N/A (used in small amounts)
Operating Temperature Range Up to 1000°C Up to 400°C Up to 300°C Up to 300°C 100 - 150°C
Thermal Expansion Very low (1.2 x 10⁻⁶/°C) High (16.5 x 10⁻⁶/°C) Moderate (23 x 10⁻⁶/°C) Low (4 x 10⁻⁶/°C) N/A
Applications High-power electronics, RF devices, laser diodes, quantum computing Heat sinks, heat exchangers Heat sinks, lightweight housings Power electronics, semiconductor cooling CPU/GPU thermal interface