Method of making enhanced CVD diamond

USRE41189E1 · kind E1 · reissue

Assignee

• Carnegie Institution of Washington · US

Inventors

• Wei Li · Espoo, FI
• Russell J. Hemley · Washington, US
• Ho-Kwang Mao · Washington, US
• Chih-shiue Yan · Washington, US

Key dates

• Filing date: Jan 30, 2009
• Grant date: Apr 6, 2010
• Expiry date: Jan 30, 2029

Classification

• Technology area (CPC —): General

Abstract

Single crystal CVD diamond is heated to temperatures of 1500° C. to 2900° C. under a pressure that prevents significant graphitization. The result is a CVD diamond with improved optical properties.