Inventors:
David L. Adler - San Jose CA, US
William Ansel MacKie - McMinnville OR, US
International Classification:
H01J 35/14
Abstract:
An x-ray source is described. This x-ray source includes an electron source with a refractory binary compound having a melting temperature greater than that of tungsten. For example, the refractory binary compound may include: hafnium carbide, zirconium carbide, tantalum carbide, lanthanum hexaboride and/or compounds that include two or more of these elements.