JPS61133949U - - Google Patents

Info

Publication number
JPS61133949U
JPS61133949U JP418186U JP418186U JPS61133949U JP S61133949 U JPS61133949 U JP S61133949U JP 418186 U JP418186 U JP 418186U JP 418186 U JP418186 U JP 418186U JP S61133949 U JPS61133949 U JP S61133949U
Authority
JP
Japan
Prior art keywords
chip
lanthanum boride
electron gun
support electrode
graphite
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
JP418186U
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 JP418186U priority Critical patent/JPS61133949U/ja
Publication of JPS61133949U publication Critical patent/JPS61133949U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)
JP418186U 1986-01-16 1986-01-16 Pending JPS61133949U (US20020051482A1-20020502-M00012.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP418186U JPS61133949U (US20020051482A1-20020502-M00012.png) 1986-01-16 1986-01-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP418186U JPS61133949U (US20020051482A1-20020502-M00012.png) 1986-01-16 1986-01-16

Publications (1)

Publication Number Publication Date
JPS61133949U true JPS61133949U (US20020051482A1-20020502-M00012.png) 1986-08-21

Family

ID=30479508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP418186U Pending JPS61133949U (US20020051482A1-20020502-M00012.png) 1986-01-16 1986-01-16

Country Status (1)

Country Link
JP (1) JPS61133949U (US20020051482A1-20020502-M00012.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114659A (en) * 1977-03-16 1978-10-06 Jeol Ltd Cathode for thermal electron emission

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114659A (en) * 1977-03-16 1978-10-06 Jeol Ltd Cathode for thermal electron emission

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