DICKE EINKRISTALLINE DIAMANTSCHICHT, VERFAHREN ZUR HERSTELLUNG DER SCHICHT UND EDELSTEINE HERGESTELLT DURCH BEARBEITUNG DER SCHICHT

摘要

A layer of single crystal CVD diamond of high quality having a thickness greater than 2 mm. Also provided is a method of producing such a CVD diamond layer. The method involves the homoepitaxial growth of the diamond layer on a low defect density substrate in an atmosphere containing less than 300ppb nitrogen. Gemstones can be manufactured from the layer.