| 摘要 |
A vacuum tube, in particular a cathode ray tube, equipped with at least one oxide cathode comprising a cathode carrier (1) with a cathode base (3) of a cathode metal and a cathode body (4) with a cathode coating (5) 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.
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