JPS5252561A - Direct heating type cathode material - Google Patents

Direct heating type cathode material

Info

Publication number
JPS5252561A
JPS5252561A JP12829075A JP12829075A JPS5252561A JP S5252561 A JPS5252561 A JP S5252561A JP 12829075 A JP12829075 A JP 12829075A JP 12829075 A JP12829075 A JP 12829075A JP S5252561 A JPS5252561 A JP S5252561A
Authority
JP
Japan
Prior art keywords
cathode material
heating type
direct heating
type cathode
tube cathode
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
JP12829075A
Other languages
Japanese (ja)
Inventor
Ushio Kawabe
Toshiyuki Aida
Sanehiro Kudo
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 JP12829075A priority Critical patent/JPS5252561A/en
Publication of JPS5252561A publication Critical patent/JPS5252561A/en
Pending legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)

Abstract

PURPOSE: To shorten the starting time and prolong the service life of an electronic tube cathode material by adding Co to Ni-Re alloy as the electron tube cathode material thus making it to ternary alloy and increasing its high temperature electric resistance.
COPYRIGHT: (C)1977,JPO&Japio
JP12829075A 1975-10-27 1975-10-27 Direct heating type cathode material Pending JPS5252561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12829075A JPS5252561A (en) 1975-10-27 1975-10-27 Direct heating type cathode material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12829075A JPS5252561A (en) 1975-10-27 1975-10-27 Direct heating type cathode material

Publications (1)

Publication Number Publication Date
JPS5252561A true JPS5252561A (en) 1977-04-27

Family

ID=14981147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12829075A Pending JPS5252561A (en) 1975-10-27 1975-10-27 Direct heating type cathode material

Country Status (1)

Country Link
JP (1) JPS5252561A (en)

Similar Documents

Publication Publication Date Title
JPS51150692A (en) High conductivity composed substance
JPS5230217A (en) Electric contact point material
JPS51132074A (en) Mercury emitting mechanism
JPS5252561A (en) Direct heating type cathode material
JPS528500A (en) Electric insulation use gas composition
JPS5213689A (en) The electric junction material
JPS51120927A (en) Electric contact material
JPS51133845A (en) Heat insulator
JPS5230151A (en) Electric fieled radiation-type cold cathode
JPS5230083A (en) High pressure steam discharge lamp
JPS5373655A (en) Promotion of condensation heat conducting by direct current
JPS5221212A (en) Mold copper material having high heat conductivity
JPS51112165A (en) Direct heat type thermal electron emision cathode
JPS51116854A (en) Tracking resistant resin compositions
JPS529624A (en) Electric contact material
JPS5645542A (en) Oxide cathode and its preparation
JPS5224916A (en) Copper alloy with high electric conductivity
JPS5235974A (en) Magnetron
JPS5326694A (en) Permanent current switch
JPS5258453A (en) Magnetron
JPS5213690A (en) The electric junction material
JPS5388563A (en) Field emission type cathode
JPS546727A (en) Mark read-out circuit
JPS5231393A (en) Insulated wire of self-melting together
JPS51147719A (en) Boosting circuit