| 发明名称 |
DIRECT HEATED STYLE CATHODE FOR ELECTRON TUBE |
| 摘要 |
<p>PURPOSE:To obtain the direct heated style hot cathode of the structure without generating the characteristic deterioration by the transformation of cathode basis under acting.</p> |
| 申请公布号 |
JPS5272559(A) |
申请公布日期 |
1977.06.17 |
| 申请号 |
JP19750148397 |
申请日期 |
1975.12.15 |
| 申请人 |
HITACHI LTD |
发明人 |
YUHITOU ISAMU;AIDA TOSHIYUKI;KUDOU SANEHIRO;KAWABE USHIO;OKANO HIROSHI |
| 分类号 |
H01J1/14;H01J1/15 |
主分类号 |
H01J1/14 |
| 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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