公开(公告)号：DE10254697A1

公开(公告)日：2004-06-03

申请号：DE10254697

申请日：2002-11-23

Applicant: PHILIPS INTELLECTUAL PROPERTY

Inventor： GAERTNER GEORG ,  BARRATT DAVID ,  GOODHAND CHRISTOPHER ,  RAASCH DETLEF

IPC: H01J1/142 ,  H01J1/20 ,  H01J1/22 ,  H01J1/14

Abstract: A vacuum tube, in particular a cathode ray tube, equipped with at least one oxide cathode comprising a cathode carrier with a cathode base of a cathode metal and a cathode body with a cathode coating of an electron-emitting material that comprises an alkaline earth oxide, selected from the group formed by the oxides of calcium, strontium and 5 barium, and a sintering inhibitor.