JPH0333950U - - Google Patents

Info

Publication number
JPH0333950U
JPH0333950U JP9388189U JP9388189U JPH0333950U JP H0333950 U JPH0333950 U JP H0333950U JP 9388189 U JP9388189 U JP 9388189U JP 9388189 U JP9388189 U JP 9388189U JP H0333950 U JPH0333950 U JP H0333950U
Authority
JP
Japan
Prior art keywords
extraction
electron
electron extraction
cathode
current detection
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
JP9388189U
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 JP9388189U priority Critical patent/JPH0333950U/ja
Publication of JPH0333950U publication Critical patent/JPH0333950U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP9388189U 1989-08-11 1989-08-11 Pending JPH0333950U (US07345094-20080318-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9388189U JPH0333950U (US07345094-20080318-C00003.png) 1989-08-11 1989-08-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9388189U JPH0333950U (US07345094-20080318-C00003.png) 1989-08-11 1989-08-11

Publications (1)

Publication Number Publication Date
JPH0333950U true JPH0333950U (US07345094-20080318-C00003.png) 1991-04-03

Family

ID=31643241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9388189U Pending JPH0333950U (US07345094-20080318-C00003.png) 1989-08-11 1989-08-11

Country Status (1)

Country Link
JP (1) JPH0333950U (US07345094-20080318-C00003.png)

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