| 发明名称 |
MANUFACTURE OF DIRECT HEATED CATHODE |
| 摘要 |
<p>PURPOSE:To increase the adhesive property of the electron radiate material as well as to prevent increase of the heat capacity, and thus to obtain a direct heated cathode of stabilized quality.</p> |
| 申请公布号 |
JPS52140264(A) |
申请公布日期 |
1977.11.22 |
| 申请号 |
JP19760056506 |
申请日期 |
1976.05.19 |
| 申请人 |
HITACHI LTD |
发明人 |
TERABAYASHI TAKAO;KOBAYASHI MASARU;KAMATA MITSUNARI;FUKUSHIMA HIROSHI |
| 分类号 |
H01J1/15 |
主分类号 |
H01J1/15 |
| 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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