| 发明名称 |
PRESTRESSED CATHODE STRUCTURE FOR ELECTRON DISCHARGE DEVICES |
| 摘要 |
A planar-type cathode for electron discharge devices which is in relatively close-spaced relation with another electrode and which is provided with means for preventing bowing toward the electrode under thermal stresses.
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| 申请公布号 |
US3641387(A) |
申请公布日期 |
1972.02.08 |
| 申请号 |
USD3641387 |
申请日期 |
1970.04.02 |
| 申请人 |
MACHLETT LABORATORIES INC.:THE |
发明人 |
HERBERT L. SHOLL |
| 分类号 |
H01J1/20;(IPC1-7):H01J1/94;H01J19/48 |
主分类号 |
H01J1/20 |
| 代理机构 |
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