JPS503568A - - Google Patents

Info

Publication number
JPS503568A
JPS503568A JP49039568A JP3956874A JPS503568A JP S503568 A JPS503568 A JP S503568A JP 49039568 A JP49039568 A JP 49039568A JP 3956874 A JP3956874 A JP 3956874A JP S503568 A JPS503568 A JP S503568A
Authority
JP
Japan
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.)
Pending
Application number
JP49039568A
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 filed Critical
Publication of JPS503568A publication Critical patent/JPS503568A/ja
Pending 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • 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

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
JP49039568A 1973-04-09 1974-04-09 Pending JPS503568A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00349156A US3814974A (en) 1973-04-09 1973-04-09 Cathode gun device

Publications (1)

Publication Number Publication Date
JPS503568A true JPS503568A (ja) 1975-01-14

Family

ID=23371139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49039568A Pending JPS503568A (ja) 1973-04-09 1974-04-09

Country Status (6)

Country Link
US (1) US3814974A (ja)
JP (1) JPS503568A (ja)
DE (1) DE2415152B2 (ja)
FR (1) FR2224868B1 (ja)
GB (1) GB1424167A (ja)
NL (1) NL163665C (ja)

Cited By (3)

* 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
JPS5458344A (en) * 1977-10-19 1979-05-11 Hitachi Ltd Thermal electron radiation cathode
JPS5574032A (en) * 1978-11-29 1980-06-04 Nec Corp Indirectly-heated cathode

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176337B (en) * 1985-06-04 1990-02-14 English Electric Valve Co Ltd Metal vapour laser apparatus
US5202910A (en) * 1990-08-28 1993-04-13 North American Philips Corporation Anode for arc discharge devices
US10825634B2 (en) * 2019-02-21 2020-11-03 Varex Imaging Corporation X-ray tube emitter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899591A (en) * 1959-08-11 Electrical heating device
US2391927A (en) * 1944-01-08 1946-01-01 Standard Telephones Cables Ltd Electron discharge device
US2518879A (en) * 1945-02-03 1950-08-15 Kenneth J Germeshausen Hydrogen thyratron
US2577239A (en) * 1949-09-12 1951-12-04 Eitel Mccullough Inc Cathode and heater structure for electron tubes
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

Cited By (3)

* 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
JPS5458344A (en) * 1977-10-19 1979-05-11 Hitachi Ltd Thermal electron radiation cathode
JPS5574032A (en) * 1978-11-29 1980-06-04 Nec Corp Indirectly-heated cathode

Also Published As

Publication number Publication date
NL163665B (nl) 1980-04-15
NL7404189A (ja) 1974-10-11
DE2415152B2 (de) 1975-07-31
FR2224868A1 (ja) 1974-10-31
DE2415152A1 (de) 1974-11-21
NL163665C (nl) 1980-09-15
US3814974A (en) 1974-06-04
FR2224868B1 (ja) 1977-09-30
GB1424167A (en) 1976-02-11

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