| 发明名称 |
Cathode for electron tube and manufacturing method thereof. |
| 摘要 |
<p>A cathode for an electron tube in accordance with the present invention comprises: a base (2) containing not only nickel as a major element but also a reducing agent; a layer (3) of an electron-emissive substance which is applied to the base (2) and contains not only an alkaline earth metal oxide as a principal component but also a scandium oxide; and a heater (4) for heating the layer (3).</p> |
| 申请公布号 |
EP0204477(A1) |
申请公布日期 |
1986.12.10 |
| 申请号 |
EP19860303959 |
申请日期 |
1986.05.23 |
| 申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
SANO, KINJIRO MITSUBISHI DENKI K.K.;KAMATA, TOYOKAZU MITSUBISHI DENKI K.K.;FUKUYAMA, KEIJI MITSUBISHI DENKI K.K.;SAITO, MASATO MITSUBISHI DENKI K.K. |
| 分类号 |
H01J1/20;H01J1/142;H01J1/28;H01J9/04;(IPC1-7):H01J1/14;H01J29/04 |
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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