| 发明名称 |
Method of making a needle electrode |
| 摘要 |
<p>A method of making a needle electrode is such that a neck portion is formed in a thin wire made of a tungsten single crystal and the thin wire is cut at the neck portion by feeding an electric current in electrolyte.</p> |
| 申请公布号 |
EP0813221(A2) |
申请公布日期 |
1997.12.17 |
| 申请号 |
EP19970109607 |
申请日期 |
1997.06.12 |
| 申请人 |
DENKI KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
YOSHINORI, TERUI;KATSUYOSHI, TSUNODA |
| 分类号 |
H01J9/02;(IPC1-7):H01J9/02 |
主分类号 |
H01J9/02 |
| 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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