JPS60131949U - 電子銃 - Google Patents

電子銃

Info

Publication number
JPS60131949U
JPS60131949U JP1905884U JP1905884U JPS60131949U JP S60131949 U JPS60131949 U JP S60131949U JP 1905884 U JP1905884 U JP 1905884U JP 1905884 U JP1905884 U JP 1905884U JP S60131949 U JPS60131949 U JP S60131949U
Authority
JP
Japan
Prior art keywords
cathode
electron gun
wehnelt electrode
electron
members
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.)
Granted
Application number
JP1905884U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0211713Y2 (en]
Inventor
巌 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeol Ltd
Original Assignee
Jeol Ltd
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 by Jeol Ltd filed Critical Jeol Ltd
Priority to JP1905884U priority Critical patent/JPS60131949U/ja
Publication of JPS60131949U publication Critical patent/JPS60131949U/ja
Application granted granted Critical
Publication of JPH0211713Y2 publication Critical patent/JPH0211713Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP1905884U 1984-02-13 1984-02-13 電子銃 Granted JPS60131949U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1905884U JPS60131949U (ja) 1984-02-13 1984-02-13 電子銃

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1905884U JPS60131949U (ja) 1984-02-13 1984-02-13 電子銃

Publications (2)

Publication Number Publication Date
JPS60131949U true JPS60131949U (ja) 1985-09-03
JPH0211713Y2 JPH0211713Y2 (en]) 1990-03-28

Family

ID=30508275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1905884U Granted JPS60131949U (ja) 1984-02-13 1984-02-13 電子銃

Country Status (1)

Country Link
JP (1) JPS60131949U (en])

Also Published As

Publication number Publication date
JPH0211713Y2 (en]) 1990-03-28

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