Toyoda Gosei’s Quality GaN Substrate Technology Enhances Power Device Performance

Source: www.gulfoilandgas.com 1/7/2025, Location: Asia

Toyoda Gosei’s (TOKYO:7282) technology to enhance GaN substrates has been verified to improve power device performance. An article confirming it was published in Physica Status Solidi (RRL) – Rapid Research Letters, an international scientific journal for solid state physics1.

Better power devices are indispensable for CO2 reduction in society, as they regulate electric power everywhere. Switching material from silicon to gallium nitride enables 90% energy-saving, superior devices, for which mass production of larger quality GaN substrates is requisite.

The Japanese Ministry of the Environment is leading a project for broad application of GaN power devices2, for which Toyoda Gosei is providing technology to obtain ideal GaN crystals. One outcome of the project is a demonstrable improvement in power device performance with a GaN substrate fabricated on a GaN seed crystal that Toyoda Gosei jointly developed with Osaka University. Compared to power devices made on commercially-available substrates, power devices using these GaN substrates show higher performance in both power regulation capacity and yield ratio.

Toyoda Gosei will continue collaborating with government, universities, and other corporations for earlier dissemination of large quality GaN substrates.


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