| 发明名称 |
METHOD OF MANUFACTURING A DISPENSER CATHODE, AND DISPENSER CATHODE MANUFACTURED ACCORDING TO SAID METHOD |
| 摘要 |
<p>By polishing the emisive surface of a dispenser cathode comprising a porous compressed metal body with aluminum oxide, which dispenser cathode contains barium scandate and a dispensing compound, a cathode can be obtained having a very large admissible current density and a long life.</p> |
| 申请公布号 |
CA1046131(A) |
申请公布日期 |
1979.01.09 |
| 申请号 |
CA19760243153 |
申请日期 |
1976.01.08 |
| 申请人 |
N.V. PHILIPS'GLOEILAMPENFABRIEKEN |
发明人 |
VAN STRATUM, ANTONIUS J.A.;VAN OS, JOHANNES G.;BLATTER, JOHANNES R.;ZALM, PIETER |
| 分类号 |
H01J1/14;H01J1/28;H01J9/04;(IPC1-7):01J9/04 |
主分类号 |
H01J1/14 |
| 代理机构 |
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代理人 |
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| 地址 |
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