JPS5299761A - Thermion radiation cathode - Google Patents

Thermion radiation cathode

Info

Publication number
JPS5299761A
JPS5299761A JP1603276A JP1603276A JPS5299761A JP S5299761 A JPS5299761 A JP S5299761A JP 1603276 A JP1603276 A JP 1603276A JP 1603276 A JP1603276 A JP 1603276A JP S5299761 A JPS5299761 A JP S5299761A
Authority
JP
Japan
Prior art keywords
thermion
radiation cathode
radiation
cathode
crystal
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
JP1603276A
Other languages
Japanese (ja)
Inventor
Kazumasa Takagi
Hisao Yamauchi
Masaaki Futamoto
Mitsuru Ishii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1603276A priority Critical patent/JPS5299761A/en
Publication of JPS5299761A publication Critical patent/JPS5299761A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To supply a high brilliance thermion radiation type cathode at low temperature by cutting out a needle form tip in crystal direction of low work from 6-calcium boarte type boax crystal.
COPYRIGHT: (C)1977,JPO&Japio
JP1603276A 1976-02-18 1976-02-18 Thermion radiation cathode Pending JPS5299761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1603276A JPS5299761A (en) 1976-02-18 1976-02-18 Thermion radiation cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1603276A JPS5299761A (en) 1976-02-18 1976-02-18 Thermion radiation cathode

Publications (1)

Publication Number Publication Date
JPS5299761A true JPS5299761A (en) 1977-08-22

Family

ID=11905221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1603276A Pending JPS5299761A (en) 1976-02-18 1976-02-18 Thermion radiation cathode

Country Status (1)

Country Link
JP (1) JPS5299761A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641611U (en) * 1979-09-06 1981-04-16
JPS5642992U (en) * 1979-09-07 1981-04-18
JPS5648028A (en) * 1979-09-26 1981-05-01 Toshiba Corp Electron gun
JPS5648029A (en) * 1979-09-26 1981-05-01 Toshiba Corp Electron gun

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641611U (en) * 1979-09-06 1981-04-16
JPS5747137Y2 (en) * 1979-09-06 1982-10-16
JPS5642992U (en) * 1979-09-07 1981-04-18
JPS5720630Y2 (en) * 1979-09-07 1982-05-04
JPS5648028A (en) * 1979-09-26 1981-05-01 Toshiba Corp Electron gun
JPS5648029A (en) * 1979-09-26 1981-05-01 Toshiba Corp Electron gun
JPS6346942B2 (en) * 1979-09-26 1988-09-19 Toshiba Kk
JPH0130247B2 (en) * 1979-09-26 1989-06-19 Toshiba Kk

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