A field emission cathode for use in flat panel displays is disclosed comprising a layer of conductive material and a layer of amorphic diamond film, functioning as a low effective work-function material, deposited over the conductive material to form emission sites. The emission sites each contain...http://www.google.es/patents/US5686791?utm_source=gb-gplus-sharePatente US5686791 - Amorphic diamond film flat field emission cathode
