GB1045396A - Thermionic cathodes - Google Patents

Thermionic cathodes

Info

Publication number
GB1045396A
GB1045396A GB3151665A GB3151665A GB1045396A GB 1045396 A GB1045396 A GB 1045396A GB 3151665 A GB3151665 A GB 3151665A GB 3151665 A GB3151665 A GB 3151665A GB 1045396 A GB1045396 A GB 1045396A
Authority
GB
United Kingdom
Prior art keywords
metal
spraying
lanthanum boride
refractory
thermionic 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.)
Expired
Application number
GB3151665A
Other languages
English (en)
Inventor
John Edward Milne
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3151665A priority Critical patent/GB1045396A/en
Priority to NL6609814A priority patent/NL6609814A/xx
Priority to DE19661564167 priority patent/DE1564167A1/de
Priority to FR70535A priority patent/FR91957E/fr
Publication of GB1045396A publication Critical patent/GB1045396A/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)
GB3151665A 1965-07-23 1965-07-23 Thermionic cathodes Expired GB1045396A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB3151665A GB1045396A (en) 1965-07-23 1965-07-23 Thermionic cathodes
NL6609814A NL6609814A (enrdf_load_html_response) 1965-07-23 1966-07-13
DE19661564167 DE1564167A1 (de) 1965-07-23 1966-07-21 Gluehkathode
FR70535A FR91957E (fr) 1965-07-23 1966-07-22 Tubes électroniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3151665A GB1045396A (en) 1965-07-23 1965-07-23 Thermionic cathodes

Publications (1)

Publication Number Publication Date
GB1045396A true GB1045396A (en) 1966-10-12

Family

ID=10324250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3151665A Expired GB1045396A (en) 1965-07-23 1965-07-23 Thermionic cathodes

Country Status (3)

Country Link
DE (1) DE1564167A1 (enrdf_load_html_response)
GB (1) GB1045396A (enrdf_load_html_response)
NL (1) NL6609814A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402297A1 (fr) * 1977-09-02 1979-03-30 Balzers Hochvakuum Cathode a emission electronique
EP0013201B1 (fr) * 1978-12-27 1982-05-19 Thomson-Csf Cathode à chauffage direct et tube électronique haute fréquence comportant une telle cathode

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627897B1 (fr) * 1988-02-26 1990-06-22 Thomson Csf Cathode a chauffage direct en materiau thermoemissif
DE4305558A1 (de) * 1993-02-24 1994-08-25 Asea Brown Boveri Verfahren zur Herstellung von Drähten, welche insbesondere für Kathoden von Elektronenröhren geeignet sind

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402297A1 (fr) * 1977-09-02 1979-03-30 Balzers Hochvakuum Cathode a emission electronique
EP0013201B1 (fr) * 1978-12-27 1982-05-19 Thomson-Csf Cathode à chauffage direct et tube électronique haute fréquence comportant une telle cathode

Also Published As

Publication number Publication date
NL6609814A (enrdf_load_html_response) 1967-01-24
DE1564167A1 (de) 1970-02-12

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