JPH0215248Y2 - - Google Patents

Info

Publication number
JPH0215248Y2
JPH0215248Y2 JP12557185U JP12557185U JPH0215248Y2 JP H0215248 Y2 JPH0215248 Y2 JP H0215248Y2 JP 12557185 U JP12557185 U JP 12557185U JP 12557185 U JP12557185 U JP 12557185U JP H0215248 Y2 JPH0215248 Y2 JP H0215248Y2
Authority
JP
Japan
Prior art keywords
holder
guide
filament
annular groove
wehnelt electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP12557185U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6233156U (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12557185U priority Critical patent/JPH0215248Y2/ja
Publication of JPS6233156U publication Critical patent/JPS6233156U/ja
Application granted granted Critical
Publication of JPH0215248Y2 publication Critical patent/JPH0215248Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP12557185U 1985-08-16 1985-08-16 Expired JPH0215248Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12557185U JPH0215248Y2 (enrdf_load_stackoverflow) 1985-08-16 1985-08-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12557185U JPH0215248Y2 (enrdf_load_stackoverflow) 1985-08-16 1985-08-16

Publications (2)

Publication Number Publication Date
JPS6233156U JPS6233156U (enrdf_load_stackoverflow) 1987-02-27
JPH0215248Y2 true JPH0215248Y2 (enrdf_load_stackoverflow) 1990-04-24

Family

ID=31018582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12557185U Expired JPH0215248Y2 (enrdf_load_stackoverflow) 1985-08-16 1985-08-16

Country Status (1)

Country Link
JP (1) JPH0215248Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6233156U (enrdf_load_stackoverflow) 1987-02-27

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