公开(公告)号：EP0813221A3

公开(公告)日：1999-11-10

申请号：EP97109607.8

申请日：1997-06-12

申请人： DENKI KAGAKU KOGYO KABUSHIKI KAISHA

发明人： Yoshinori, Terui, Denki Kagaku Kogyo K. K. ,  Katsuyoshi, Tsunoda

IPC分类号： H01J9/02

CPC分类号： H01J9/025 ,  H01J2237/06316 ,  Y10T29/49002

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.

公开(公告)号：EP0813221A2

公开(公告)日：1997-12-17

申请号：EP97109607.8

申请日：1997-06-12

申请人： DENKI KAGAKU KOGYO KABUSHIKI KAISHA

发明人： Yoshinori, Terui, Denki Kagaku Kogyo K. K. ,  Katsuyoshi, Tsunoda

IPC分类号： H01J9/02

CPC分类号： H01J9/025 ,  H01J2237/06316 ,  Y10T29/49002

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.

摘要翻译： 制造针状电极的方法是使颈部形成为由单晶钨制成的细线，并且通过在电解质中供给电流而在颈部切割细线。