JPS6315694B2 - - Google Patents

Info

Publication number
JPS6315694B2
JPS6315694B2 JP53057639A JP5763978A JPS6315694B2 JP S6315694 B2 JPS6315694 B2 JP S6315694B2 JP 53057639 A JP53057639 A JP 53057639A JP 5763978 A JP5763978 A JP 5763978A JP S6315694 B2 JPS6315694 B2 JP S6315694B2
Authority
JP
Japan
Prior art keywords
alumina
powder
heater
tungsten
manufacturing
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
JP53057639A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54149565A (en
Inventor
Kazuo Shirohashi
Rokuro Tsuji
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 JP5763978A priority Critical patent/JPS54149565A/ja
Publication of JPS54149565A publication Critical patent/JPS54149565A/ja
Publication of JPS6315694B2 publication Critical patent/JPS6315694B2/ja
Granted legal-status Critical Current

Links

JP5763978A 1978-05-17 1978-05-17 Manufacture of heater for electron tube Granted JPS54149565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5763978A JPS54149565A (en) 1978-05-17 1978-05-17 Manufacture of heater for electron tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5763978A JPS54149565A (en) 1978-05-17 1978-05-17 Manufacture of heater for electron tube

Publications (2)

Publication Number Publication Date
JPS54149565A JPS54149565A (en) 1979-11-22
JPS6315694B2 true JPS6315694B2 (fr) 1988-04-06

Family

ID=13061452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5763978A Granted JPS54149565A (en) 1978-05-17 1978-05-17 Manufacture of heater for electron tube

Country Status (1)

Country Link
JP (1) JPS54149565A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59132537A (ja) * 1983-01-19 1984-07-30 Hitachi Ltd 傍熱形陰極用ダ−クヒ−タの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51139251A (en) * 1975-05-28 1976-12-01 Hitachi Ltd Method of manufacturing black heater

Also Published As

Publication number Publication date
JPS54149565A (en) 1979-11-22

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