JPH02113257U - - Google Patents

Info

Publication number
JPH02113257U
JPH02113257U JP6844688U JP6844688U JPH02113257U JP H02113257 U JPH02113257 U JP H02113257U JP 6844688 U JP6844688 U JP 6844688U JP 6844688 U JP6844688 U JP 6844688U JP H02113257 U JPH02113257 U JP H02113257U
Authority
JP
Japan
Prior art keywords
cathode
anode
hole
magnetic field
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.)
Pending
Application number
JP6844688U
Other languages
English (en)
Japanese (ja)
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 JP6844688U priority Critical patent/JPH02113257U/ja
Publication of JPH02113257U publication Critical patent/JPH02113257U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP6844688U 1988-05-24 1988-05-24 Pending JPH02113257U (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6844688U JPH02113257U (fr) 1988-05-24 1988-05-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6844688U JPH02113257U (fr) 1988-05-24 1988-05-24

Publications (1)

Publication Number Publication Date
JPH02113257U true JPH02113257U (fr) 1990-09-11

Family

ID=31293761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6844688U Pending JPH02113257U (fr) 1988-05-24 1988-05-24

Country Status (1)

Country Link
JP (1) JPH02113257U (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199255A (ja) * 1984-10-19 1986-05-17 Jeol Ltd ライン状電子ビ−ム発生装置
JPS62108439A (ja) * 1985-11-05 1987-05-19 Hitachi Ltd 電界放射形電子銃

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199255A (ja) * 1984-10-19 1986-05-17 Jeol Ltd ライン状電子ビ−ム発生装置
JPS62108439A (ja) * 1985-11-05 1987-05-19 Hitachi Ltd 電界放射形電子銃

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