JPS5291640A - Direct-heated cathode structure - Google Patents

Direct-heated cathode structure

Info

Publication number
JPS5291640A
JPS5291640A JP749576A JP749576A JPS5291640A JP S5291640 A JPS5291640 A JP S5291640A JP 749576 A JP749576 A JP 749576A JP 749576 A JP749576 A JP 749576A JP S5291640 A JPS5291640 A JP S5291640A
Authority
JP
Japan
Prior art keywords
direct
cathode structure
heated cathode
heated
bao
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
JP749576A
Other languages
Japanese (ja)
Other versions
JPS5922336B2 (en
Inventor
Akira Misumi
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 JP51007495A priority Critical patent/JPS5922336B2/en
Publication of JPS5291640A publication Critical patent/JPS5291640A/en
Publication of JPS5922336B2 publication Critical patent/JPS5922336B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To prevent oxides such as BaO from peeling-off from a substrate by depositing Ni-Mo powder on an oxide coating surface of a Ni-alloy substrate containing either or both of W and Mo.
COPYRIGHT: (C)1977,JPO&Japio
JP51007495A 1976-01-28 1976-01-28 Directly heated cathode structure Expired JPS5922336B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51007495A JPS5922336B2 (en) 1976-01-28 1976-01-28 Directly heated cathode structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51007495A JPS5922336B2 (en) 1976-01-28 1976-01-28 Directly heated cathode structure

Publications (2)

Publication Number Publication Date
JPS5291640A true JPS5291640A (en) 1977-08-02
JPS5922336B2 JPS5922336B2 (en) 1984-05-25

Family

ID=11667342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51007495A Expired JPS5922336B2 (en) 1976-01-28 1976-01-28 Directly heated cathode structure

Country Status (1)

Country Link
JP (1) JPS5922336B2 (en)

Also Published As

Publication number Publication date
JPS5922336B2 (en) 1984-05-25

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