| 发明名称 |
INSPECTION METHOD FOR ELECTRON TUBE OXIDE CATHODE |
| 摘要 |
PURPOSE:To inspect the oxide cathode, by removing the intermediate products developed under the surface with the specified means from the metallic surface, after removing the electron radiated substance from the specified base metallic surface. |
| 申请公布号 |
JPS52116063(A) |
申请公布日期 |
1977.09.29 |
| 申请号 |
JP19760032551 |
申请日期 |
1976.03.26 |
| 申请人 |
HITACHI LTD |
发明人 |
EZAWA MASAYOSHI;SANKAKU AKIRA |
| 分类号 |
H01J9/42;H01J1/13;H01J1/14;H01J9/04 |
主分类号 |
H01J9/42 |
| 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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