A microwave source system includes a magnetron source having an antenna, and an output dome covering the antenna. The output dome is formed as a ceramic substrate having an inner surface and an outer surface, and a conductive layer of a high thermal conductivity material overlying and contacting the...http://www.google.se/patents/US6157349?utm_source=gb-gplus-sharePatent US6157349 - Microwave source system having a high thermal conductivity output dome
