GB1433454A - Thermionic emission cathode arrangement - Google Patents

Thermionic emission cathode arrangement

Info

Publication number
GB1433454A
GB1433454A GB1269574A GB1269574A GB1433454A GB 1433454 A GB1433454 A GB 1433454A GB 1269574 A GB1269574 A GB 1269574A GB 1269574 A GB1269574 A GB 1269574A GB 1433454 A GB1433454 A GB 1433454A
Authority
GB
United Kingdom
Prior art keywords
cathode
shield
emission cathode
thermionic emission
cathode arrangement
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
GB1269574A
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1433454A publication Critical patent/GB1433454A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

Landscapes

  • Microwave Tubes (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Plasma Technology (AREA)
  • Solid Thermionic Cathode (AREA)
GB1269574A 1973-04-09 1974-03-21 Thermionic emission cathode arrangement Expired GB1433454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00349157A US3813571A (en) 1973-04-09 1973-04-09 Insulated cathode gun device

Publications (1)

Publication Number Publication Date
GB1433454A true GB1433454A (en) 1976-04-28

Family

ID=23371143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1269574A Expired GB1433454A (en) 1973-04-09 1974-03-21 Thermionic emission cathode arrangement

Country Status (6)

Country Link
US (1) US3813571A (enrdf_load_stackoverflow)
JP (1) JPS503564A (enrdf_load_stackoverflow)
DE (1) DE2415153B2 (enrdf_load_stackoverflow)
FR (1) FR2224867B1 (enrdf_load_stackoverflow)
GB (1) GB1433454A (enrdf_load_stackoverflow)
NL (1) NL163056C (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51112166A (en) * 1975-03-27 1976-10-04 Matsushita Electric Ind Co Ltd Impregnated cathode
JPS52126919A (en) * 1976-04-17 1977-10-25 Uemura Koichi Method of and apparatus for mounting underground girder under structure
JPS5458344A (en) * 1977-10-19 1979-05-11 Hitachi Ltd Thermal electron radiation cathode
JPS6036056B2 (ja) * 1979-06-21 1985-08-17 株式会社東芝 陰極構体
US4587455A (en) * 1982-10-12 1986-05-06 Hughes Aircraft Company Controlled porosity dispenser cathode
GB2176337B (en) * 1985-06-04 1990-02-14 English Electric Valve Co Ltd Metal vapour laser apparatus
JPH0935662A (ja) * 1995-07-17 1997-02-07 Nec Kansai Ltd 電子銃構体
US10825634B2 (en) * 2019-02-21 2020-11-03 Varex Imaging Corporation X-ray tube emitter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899591A (en) * 1959-08-11 Electrical heating device
US2518879A (en) * 1945-02-03 1950-08-15 Kenneth J Germeshausen Hydrogen thyratron
US2888592A (en) * 1954-07-22 1959-05-26 Gen Electric Cathode structure
US3204140A (en) * 1961-07-10 1965-08-31 Gen Electric Hot cathode electron tube
JPH09334A (ja) * 1995-06-19 1997-01-07 Tsubaki Kk ヘアーカーラー

Also Published As

Publication number Publication date
NL7404192A (enrdf_load_stackoverflow) 1974-10-11
DE2415153B2 (de) 1975-06-12
DE2415153A1 (de) 1974-10-17
JPS503564A (enrdf_load_stackoverflow) 1975-01-14
FR2224867A1 (enrdf_load_stackoverflow) 1974-10-31
US3813571A (en) 1974-05-28
NL163056C (nl) 1980-07-15
FR2224867B1 (enrdf_load_stackoverflow) 1977-09-30

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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