| 发明名称 |
ELECTRIC FIELD RADIATION TYPE CATHODE |
| 摘要 |
<p>PURPOSE:To improve the mechanical strength and the strength against thermal shock by using a glass form carbon or a compound of glass form carbon and graphite type carbon for the supprot of the electric field radiation type cathode made of carbon.</p> |
| 申请公布号 |
JPS5299762(A) |
申请公布日期 |
1977.08.22 |
| 申请号 |
JP19760016025 |
申请日期 |
1976.02.18 |
| 申请人 |
HITACHI LTD |
发明人 |
NINOMOTO MASAAKI;HOSOKI SHIGEYUKI;KAWABE USHIO |
| 分类号 |
H01J1/304;H01J1/30 |
主分类号 |
H01J1/304 |
| 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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