GB1585216A - Metal base plate for directly heated oxide cathode - Google Patents

Metal base plate for directly heated oxide cathode Download PDF

Info

Publication number
GB1585216A
GB1585216A GB34966/77A GB3496677A GB1585216A GB 1585216 A GB1585216 A GB 1585216A GB 34966/77 A GB34966/77 A GB 34966/77A GB 3496677 A GB3496677 A GB 3496677A GB 1585216 A GB1585216 A GB 1585216A
Authority
GB
United Kingdom
Prior art keywords
weight
base plate
tungsten
directly heated
zirconium
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
GB34966/77A
Other languages
English (en)
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
Publication of GB1585216A publication Critical patent/GB1585216A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material

Landscapes

  • Solid Thermionic Cathode (AREA)
GB34966/77A 1976-09-22 1977-08-19 Metal base plate for directly heated oxide cathode Expired GB1585216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11310576A JPS5339054A (en) 1976-09-22 1976-09-22 Basement metal plate material for direct heated oxide cathode

Publications (1)

Publication Number Publication Date
GB1585216A true GB1585216A (en) 1981-02-25

Family

ID=14603601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34966/77A Expired GB1585216A (en) 1976-09-22 1977-08-19 Metal base plate for directly heated oxide cathode

Country Status (5)

Country Link
US (1) US4146393A (enExample)
JP (1) JPS5339054A (enExample)
DE (1) DE2738207C2 (enExample)
FI (1) FI772508A7 (enExample)
GB (1) GB1585216A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814016B2 (ja) * 1978-03-31 1983-03-17 株式会社日立製作所 直熱形酸化物陰極用基体金属板材
JPS5566819A (en) * 1978-11-15 1980-05-20 Hitachi Ltd Oxide cathode for electron tube
JPS5632627U (enExample) * 1979-08-21 1981-03-31
JPS5641636A (en) * 1979-09-12 1981-04-18 Hitachi Ltd Directly heated type oxide cathode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921850A (en) * 1958-03-03 1960-01-19 Inouye Henry Nickel-base alloy
JPS4822295B1 (enExample) * 1970-12-04 1973-07-05
JPS5952503B2 (ja) * 1975-11-07 1984-12-20 株式会社日立製作所 直熱形酸化物陰極用基体金属板

Also Published As

Publication number Publication date
DE2738207A1 (de) 1978-03-30
DE2738207C2 (de) 1982-12-02
JPS5339054A (en) 1978-04-10
US4146393A (en) 1979-03-27
FI772508A7 (fi) 1978-03-23
JPS5650378B2 (enExample) 1981-11-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee