Method of manufacturing an electron gun, electron gun, display device with such an electron gun, and {HEAD ~ sub assembly} for {TAIL ~ use} in such an electron gun 
Method of manufacturing an electron gun , electron gun , display device with such an electron gun , and { HEAD ~ sub assembly } for { TAIL ~ use } in such an electron gun
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH