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发明名称
Method of making a needle electrode
摘要
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.
申请公布号
EP0813221(A3)
申请公布日期
1999.11.10
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
主分类号
H01J9/02
代理机构
代理人
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