JPH0186053U - - Google Patents

Info

Publication number
JPH0186053U
JPH0186053U JP17959687U JP17959687U JPH0186053U JP H0186053 U JPH0186053 U JP H0186053U JP 17959687 U JP17959687 U JP 17959687U JP 17959687 U JP17959687 U JP 17959687U JP H0186053 U JPH0186053 U JP H0186053U
Authority
JP
Japan
Prior art keywords
observation window
intermediate chamber
electron
chamber
electron beam
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
JP17959687U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0610607Y2 (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 JP17959687U priority Critical patent/JPH0610607Y2/ja
Publication of JPH0186053U publication Critical patent/JPH0186053U/ja
Application granted granted Critical
Publication of JPH0610607Y2 publication Critical patent/JPH0610607Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP17959687U 1987-11-27 1987-11-27 電子ビーム発生装置 Expired - Lifetime JPH0610607Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17959687U JPH0610607Y2 (ja) 1987-11-27 1987-11-27 電子ビーム発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17959687U JPH0610607Y2 (ja) 1987-11-27 1987-11-27 電子ビーム発生装置

Publications (2)

Publication Number Publication Date
JPH0186053U true JPH0186053U (enrdf_load_stackoverflow) 1989-06-07
JPH0610607Y2 JPH0610607Y2 (ja) 1994-03-16

Family

ID=31471143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17959687U Expired - Lifetime JPH0610607Y2 (ja) 1987-11-27 1987-11-27 電子ビーム発生装置

Country Status (1)

Country Link
JP (1) JPH0610607Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0610607Y2 (ja) 1994-03-16

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