Diamond Power

We use diamond as the ultimate semiconductor material

The quest for increased energy efficiency has re-energised power electronics with new materials. Diamond outperforms any other material in terms of its ability to insulate very high voltages across very thin layers.

With 15 times the critical breakdown strength of silicon and 5 times that of SiC, diamond is truly the ultimate semiconducting material.

Diamond Diagram

Turning diamonds into devices

Diamond is versatile and can be used to create various electronic devices. Including:


A cut above the rest

Diamond outperforms other materials when it comes to insulating high voltages. The lower the insulation strength the more base material is needed but more importantly the slower the device operates - Which is why, in the case of power semiconductors, 6,500V appears to be the ultimate practical limit for silicon based insulated gate bipolar transistors (IGBTs)

Amount of semiconductor material needed to isolate 10,000V

Materials Diagram

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