Group 1 - Power Diamond Systems (PDS) showcased diamond MOSFETs and evaluation modules at the 2025 International Semiconductor Exhibition in Japan, emphasizing their ability to handle hundreds of volts and ampere-level currents, with plans for commercialization in the 2030s [1] - GaN power devices are increasingly used in high-frequency components for wireless communication systems, with diamond's thermal conductivity being 16 times that of GaN, making it suitable for high-frequency applications [1] - Japanese research teams, including Saga University and Orbray, are making significant advancements in diamond semiconductor technology, with the first diamond power device developed in 2023 and plans for larger diameter substrates [3][4] Group 2 - Ookuma Diamond Device, a startup founded by Hokkaido University and AIST, is constructing a large-scale production facility in Fukushima, expected to operate in the 2026 fiscal year, aimed at handling high-radiation waste from the Fukushima nuclear accident [4] - The commercialization potential of diamond semiconductors is attracting attention from various companies, including JTEC, which develops precision equipment for research institutions [4] - The quality and stable supply of synthetic diamonds are becoming increasingly important, with advancements in production techniques being developed in South Korea to shorten the time required to manufacture synthetic diamonds [5]

Group 1 - The core viewpoint of the article highlights the increasing significance of synthetic diamonds in the industrial sector, particularly in the context of AI technology and semiconductor manufacturing, as new regulations on synthetic diamond exports are set to be implemented [1][23] - Synthetic diamonds are becoming essential for AI chip production due to their unique properties, which include extreme hardness, wide bandgap, and excellent thermal conductivity, making them ideal for polishing and manufacturing processes [7][10][12] - The majority of synthetic diamonds, particularly for industrial use, are produced in China, with a significant portion coming from Henan province, which is referred to as the "global diamond factory" [5][22] Group 2 - The article discusses the challenges in producing synthetic diamonds suitable for chip manufacturing, noting that the production process is complex and costly, requiring advanced techniques like chemical vapor deposition (CVD) [16][18] - Despite the high costs associated with diamond chips, major AI companies are investing in this technology, recognizing its potential to enhance chip performance and efficiency, which is critical in the competitive AI landscape [18][20] - The new export regulations on synthetic diamonds are not just about resource control but also represent a strategic move in the global technological power dynamics, positioning China at the forefront of this emerging market [23]