JPH0177258U - - Google Patents

Info

Publication number
JPH0177258U
JPH0177258U JP1987172644U JP17264487U JPH0177258U JP H0177258 U JPH0177258 U JP H0177258U JP 1987172644 U JP1987172644 U JP 1987172644U JP 17264487 U JP17264487 U JP 17264487U JP H0177258 U JPH0177258 U JP H0177258U
Authority
JP
Japan
Prior art keywords
slit
convergence point
electromagnet
variable
beam convergence
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
JP1987172644U
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 JP1987172644U priority Critical patent/JPH0177258U/ja
Publication of JPH0177258U publication Critical patent/JPH0177258U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Tubes For Measurement (AREA)
JP1987172644U 1987-11-13 1987-11-13 Pending JPH0177258U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987172644U JPH0177258U (enrdf_load_stackoverflow) 1987-11-13 1987-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987172644U JPH0177258U (enrdf_load_stackoverflow) 1987-11-13 1987-11-13

Publications (1)

Publication Number Publication Date
JPH0177258U true JPH0177258U (enrdf_load_stackoverflow) 1989-05-24

Family

ID=31464602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987172644U Pending JPH0177258U (enrdf_load_stackoverflow) 1987-11-13 1987-11-13

Country Status (1)

Country Link
JP (1) JPH0177258U (enrdf_load_stackoverflow)

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