JPS49131075A - - Google Patents

Info

Publication number
JPS49131075A
JPS49131075A JP48042240A JP4224073A JPS49131075A JP S49131075 A JPS49131075 A JP S49131075A JP 48042240 A JP48042240 A JP 48042240A JP 4224073 A JP4224073 A JP 4224073A JP S49131075 A JPS49131075 A JP S49131075A
Authority
JP
Japan
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
JP48042240A
Other languages
Japanese (ja)
Other versions
JPS5425792B2 (cs
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 JP4224073A priority Critical patent/JPS5425792B2/ja
Publication of JPS49131075A publication Critical patent/JPS49131075A/ja
Publication of JPS5425792B2 publication Critical patent/JPS5425792B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)
JP4224073A 1973-04-16 1973-04-16 Expired JPS5425792B2 (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4224073A JPS5425792B2 (cs) 1973-04-16 1973-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4224073A JPS5425792B2 (cs) 1973-04-16 1973-04-16

Publications (2)

Publication Number Publication Date
JPS49131075A true JPS49131075A (cs) 1974-12-16
JPS5425792B2 JPS5425792B2 (cs) 1979-08-30

Family

ID=12630491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4224073A Expired JPS5425792B2 (cs) 1973-04-16 1973-04-16

Country Status (1)

Country Link
JP (1) JPS5425792B2 (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442459U (cs) * 1977-08-29 1979-03-22
JPH01130454A (ja) * 1987-11-13 1989-05-23 Jeol Ltd 電界放出型電子銃

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636346A (en) * 1968-03-17 1972-01-18 Hitachi Ltd Electron beam generator for electron microscope or the like apparatus
JPS4948273A (cs) * 1972-02-14 1974-05-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636346A (en) * 1968-03-17 1972-01-18 Hitachi Ltd Electron beam generator for electron microscope or the like apparatus
JPS4948273A (cs) * 1972-02-14 1974-05-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442459U (cs) * 1977-08-29 1979-03-22
JPH01130454A (ja) * 1987-11-13 1989-05-23 Jeol Ltd 電界放出型電子銃

Also Published As

Publication number Publication date
JPS5425792B2 (cs) 1979-08-30

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