JPS6243298B2 - - Google Patents

Info

Publication number
JPS6243298B2
JPS6243298B2 JP53057638A JP5763878A JPS6243298B2 JP S6243298 B2 JPS6243298 B2 JP S6243298B2 JP 53057638 A JP53057638 A JP 53057638A JP 5763878 A JP5763878 A JP 5763878A JP S6243298 B2 JPS6243298 B2 JP S6243298B2
Authority
JP
Japan
Prior art keywords
layer
oxide
alkaline earth
carbonate
substrate
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.)
Expired
Application number
JP53057638A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54149566A (en
Inventor
Seiji Kumada
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 JP5763878A priority Critical patent/JPS54149566A/ja
Publication of JPS54149566A publication Critical patent/JPS54149566A/ja
Publication of JPS6243298B2 publication Critical patent/JPS6243298B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)
JP5763878A 1978-05-17 1978-05-17 Manufacture of directly-heated oxide cathode Granted JPS54149566A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5763878A JPS54149566A (en) 1978-05-17 1978-05-17 Manufacture of directly-heated oxide cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5763878A JPS54149566A (en) 1978-05-17 1978-05-17 Manufacture of directly-heated oxide cathode

Publications (2)

Publication Number Publication Date
JPS54149566A JPS54149566A (en) 1979-11-22
JPS6243298B2 true JPS6243298B2 (enrdf_load_stackoverflow) 1987-09-12

Family

ID=13061422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5763878A Granted JPS54149566A (en) 1978-05-17 1978-05-17 Manufacture of directly-heated oxide cathode

Country Status (1)

Country Link
JP (1) JPS54149566A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5291642A (en) * 1976-01-28 1977-08-02 Hitachi Ltd Direct-heated cathode structure

Also Published As

Publication number Publication date
JPS54149566A (en) 1979-11-22

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