On the 11th of May, 2023, Orbray Co., Ltd. and MIRISE Technologies Corporation announced they had begun collaborating on vertical diamond power devices that will contribute to carbon neutrality.
Over the three-year period of this project, Orbray and MIRISE Technologies will use their respective technologies, resources, and expertise in diamond substrates and power devices to develop the technologies needed to deploy vertical diamond power devices in a wide range of electric vehicles in the future.
In this research collaboration, Orbray will be responsible for developing a p-type conductive diamond substrate, while MIRISE Technologies will take charge of developing a high-voltage operating device structure to demonstrate the feasibility of a vertical diamond power device. At the end of this project, the companies are planning to discuss the next stage of collaboration, such as further research and development.
As the automobile industry increasingly shifts to electric vehicles worldwide to achieve carbon neutrality, the development of next-generation automotive semiconductors is essential to improve the fuel efficiency and power consumption of electric vehicles, and reduce battery costs. Compared with current mainstream semiconductor materials such as Si (silicon), SiC (silicon carbide), and GaN (gallium nitride), diamond is known as the "ultimate semiconductor material" because it has higher voltage operating capability and superior thermal conductivity (heat dissipation). In the future, the development and mass production of next-generation automotive semiconductors using diamond is expected to improve the fuel efficiency and power consumption of electric vehicles, and reduce battery costs.
Orbray and MIRISE Technologies will leverage their respective strengths to develop next-generation in-vehicle semiconductors through vertical power devices, and thereby contribute to carbon neutrality.
Vertical diamond power device:
A semiconductor device in which electric currents can flow through the diamond substrate.
p-type conductive diamond substrate:
A p-type diamond substrate that is treated with certain substances to enable current to pass through.