Orbray Pioneers Mass Production of Cutting-Edge Diamond Substrates for Future Semiconductors

Orbray Co., Ltd., a leader in precision components and innovation, has made headlines with its recent development in the production of large-diameter, self-standing single-crystal (111) diamond substrates. These state-of-the-art substrates measure an impressive 20 mm square, representing a significant advancement in the realm of diamond-based technologies and devices.

The journey towards this milestone marks a pivotal moment in the evolution of diamond semiconductors, as the industry has seen a growing demand for higher quality and larger substrates. Until now, the maximum size of commercially available (111) diamond substrates was limited to about 3 mm square, largely due to challenges in the growth process that often produced defects—specifically, twin crystals.

The proprietary manufacturing technology developed by Orbray relies on an efficient step-flow growth method, which first gained recognition in 2021 when the company announced the successful fabrication of a 2-inch diameter self-standing (100) diamond substrate. Building upon this breakthrough, Orbray has refined its techniques, utilizing specialized sapphire substrates to achieve the synthesis of the new 20 mm square (111) single-crystal diamond substrate devoid of twin defects.

The importance of this development cannot be overstated. (111) diamond substrates are crucial for the advancements in diamond quantum devices, particularly those involving nitrogen-vacancy centers that hold tremendous potential for applications in quantum computing and advanced electronics. Moreover, these substrates are integral to the creation of high-performance n-type diamond-based devices, paving the way for a new generation of power devices that are efficient and reliable.

Orbray plans to commercialize these diamond substrates by 2026, and in the meantime, research and presentations continue to underscore the significance of these developments. Upcoming conferences, including the Japan Society of Applied Physics Spring Meeting and the International Conference on New Diamond and Nano Carbons, will feature findings related to this groundbreaking technology.

Established in 1939, Orbray has built a strong reputation for its expertise in precision jewel parts, small DC motors, and medical equipment, all while blending traditional craftsmanship with innovative technology. As the diamond semiconductor industry continues to evolve, Orbray stands poised to play a crucial role in bringing high-quality materials to market that will facilitate significant technological advancements across various sectors. The company's commitment to excellence and innovation is sure to keep it at the forefront of the diamond substrate revolution, opening up new possibilities for future applications.

Topics Consumer Technology)

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