| 发明名称 |
LAMINATED THERMIONIC CATHODE |
| 摘要 |
<p>A thermionic cathode having a ceramic base plate, a heater layer which is made of tungsten and is coated on the ceramic base plate, a cathode lead layer which is made of tungsten and is formed through a ceramic insulating layer on the heater layer, a base metal layer coated on the cathode lead layer, and a cathode material coated on the base metal layer.</p> |
| 申请公布号 |
CA1045670(A) |
申请公布日期 |
1979.01.02 |
| 申请号 |
CA19760249239 |
申请日期 |
1976.03.31 |
| 申请人 |
SONY CORPORATION |
发明人 |
AOZUKA, TORAO;OHKOSHI, AKIO;MURAMOTO, SHOICHI;NAKAYAMA, AKIRA;SUMI, KOICHIRO |
| 分类号 |
H01J1/20;H01J1/22;H01J1/24;H01J1/26;H01J9/04;H01J29/04;(IPC1-7):01J1/14 |
主分类号 |
H01J1/20 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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