| 发明名称 |
FIELD EMISSION CATHODE AND METHOD FOR PREPARATION THEREOF |
| 摘要 |
<p>The invention is a field emission cathode comprising a cathode base composed of carbon or a high-melting-point metal and a needle-shaped cathode composed of glassy carbon. The cathode can provide a stable high field emission even in a high vacuum. The invention includes a method for the preparation of such field emission cathodes.</p> |
| 申请公布号 |
CA1083266(A) |
申请公布日期 |
1980.08.05 |
| 申请号 |
CA19760255658 |
申请日期 |
1976.06.25 |
| 申请人 |
HITACHI, LTD. |
发明人 |
HOSOKI, SHIGEYUKI;OKANO, HIROSHI |
| 分类号 |
H01J1/304;H01J9/02;H01J9/12;(IPC1-7):01J1/30 |
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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