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Japan R&D brings powerful diamond semiconductors closer to reality


Synthetic crystal can handle 50,000 times as much electricity as silicon devices.

Diamond power semiconductors offering performance an order of magnitude beyond current materials are drawing closer to commercial viability thanks to advances originating from Japan. Silicon carbide (SiC) and gallium nitride (GaN) have also attracted attention as next-generation semiconductor substrates, but the performance of diamond is vastly higher. EDP, listed on the Tokyo Stock Exchange’s Growth market, is the only company in Japan that manufactures and sells the seeds from which synthetic diamonds for jewelry are made.

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