JPS5319754A - Electron tube cathode - Google Patents

Electron tube cathode

Info

Publication number
JPS5319754A
JPS5319754A JP9401576A JP9401576A JPS5319754A JP S5319754 A JPS5319754 A JP S5319754A JP 9401576 A JP9401576 A JP 9401576A JP 9401576 A JP9401576 A JP 9401576A JP S5319754 A JPS5319754 A JP S5319754A
Authority
JP
Japan
Prior art keywords
electron tube
tube cathode
cathode
substance
obtaining
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
JP9401576A
Other languages
Japanese (ja)
Other versions
JPS6027139B2 (en
Inventor
Tomokatsu Oguro
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 JP51094015A priority Critical patent/JPS6027139B2/en
Publication of JPS5319754A publication Critical patent/JPS5319754A/en
Publication of JPS6027139B2 publication Critical patent/JPS6027139B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)

Abstract

PURPOSE: A conductive heating metallic substance with a high melting point is provided apart from a cathode substance metal, thereby obtaining an electron tube cathode which does not cause thermal deformation during use and has a rapid warm-up time.
COPYRIGHT: (C)1978,JPO&Japio
JP51094015A 1976-08-09 1976-08-09 electron tube cathode Expired JPS6027139B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51094015A JPS6027139B2 (en) 1976-08-09 1976-08-09 electron tube cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51094015A JPS6027139B2 (en) 1976-08-09 1976-08-09 electron tube cathode

Publications (2)

Publication Number Publication Date
JPS5319754A true JPS5319754A (en) 1978-02-23
JPS6027139B2 JPS6027139B2 (en) 1985-06-27

Family

ID=14098659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51094015A Expired JPS6027139B2 (en) 1976-08-09 1976-08-09 electron tube cathode

Country Status (1)

Country Link
JP (1) JPS6027139B2 (en)

Also Published As

Publication number Publication date
JPS6027139B2 (en) 1985-06-27

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