JPS5513102B2 - - Google Patents

Info

Publication number
JPS5513102B2
JPS5513102B2 JP3809774A JP3809774A JPS5513102B2 JP S5513102 B2 JPS5513102 B2 JP S5513102B2 JP 3809774 A JP3809774 A JP 3809774A JP 3809774 A JP3809774 A JP 3809774A JP S5513102 B2 JPS5513102 B2 JP S5513102B2
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.)
Expired
Application number
JP3809774A
Other languages
Japanese (ja)
Other versions
JPS5052962A (enrdf_load_stackoverflow
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 JPS5052962A publication Critical patent/JPS5052962A/ja
Publication of JPS5513102B2 publication Critical patent/JPS5513102B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/08—Manufacture of heaters for indirectly-heated cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
JP3809774A 1973-04-06 1974-04-05 Expired JPS5513102B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2317446A DE2317446C3 (de) 1973-04-06 1973-04-06 Verfahren zum Herstellen eines Heizelementes für eine indirekt geheizte Kathode

Publications (2)

Publication Number Publication Date
JPS5052962A JPS5052962A (enrdf_load_stackoverflow) 1975-05-10
JPS5513102B2 true JPS5513102B2 (enrdf_load_stackoverflow) 1980-04-07

Family

ID=5877284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3809774A Expired JPS5513102B2 (enrdf_load_stackoverflow) 1973-04-06 1974-04-05

Country Status (10)

Country Link
US (1) US3902093A (enrdf_load_stackoverflow)
JP (1) JPS5513102B2 (enrdf_load_stackoverflow)
BE (1) BE813271R (enrdf_load_stackoverflow)
CA (1) CA1032592A (enrdf_load_stackoverflow)
DE (1) DE2317446C3 (enrdf_load_stackoverflow)
ES (1) ES425053A1 (enrdf_load_stackoverflow)
FR (1) FR2224866B1 (enrdf_load_stackoverflow)
GB (1) GB1461495A (enrdf_load_stackoverflow)
IT (1) IT1007777B (enrdf_load_stackoverflow)
NL (1) NL7404521A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573039U (enrdf_load_stackoverflow) * 1980-06-06 1982-01-08

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000435A (en) * 1975-06-20 1976-12-28 Westinghouse Electric Corporation Electron gun cathode with a fast warm-up characteristic
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
JPS5471550A (en) * 1977-11-18 1979-06-08 Hitachi Ltd Base metal material for direct heating oxide cathode
DE2835490C2 (de) * 1978-08-12 1986-09-18 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur Herstellung einer indirekt geheizten Kathode
DE2938248A1 (de) * 1979-09-21 1981-03-26 Standard Elektrik Lorenz AG, 70435 Stuttgart Heizelement fuer eine indirekt geheizte kathode
DE3029853C2 (de) * 1980-08-07 1982-08-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Indirekt durch Elektronenstoß geheizte Wehneltkathode
DE19828158C1 (de) * 1998-06-24 1999-11-25 Siemens Ag Indirekt geheizte Kathode, insbesondere für Röntgenröhren

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017292B (de) * 1956-07-18 1957-10-10 Telefunken Gmbh Aluminiumoxydueberzug fuer den Heizdraht mittelbar geheizter Kathoden elektrischer Entladungsroehren und Verfahren zur Herstellung eines Isolierueberzuges auf einem Heizdraht
US3029360A (en) * 1958-04-29 1962-04-10 Rca Corp Heater wire coating process
NL268393A (enrdf_load_stackoverflow) * 1960-08-19
DE1146594B (de) * 1961-10-31 1963-04-04 Standard Elektrik Lorenz Ag Aus zwei Schichten bestehender Isolationsueberzug fuer das Heizelement mittelbar geheizter Kathoden elektrischer Entladungsroehren und Verfahren zu seiner Herstellung
DE1133835B (de) * 1961-12-16 1962-07-26 Telefunken Patent Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre
NL113095C (enrdf_load_stackoverflow) * 1961-12-22
NL281567A (enrdf_load_stackoverflow) * 1962-07-30
DE1281038B (de) * 1962-08-01 1968-10-24 Telefunken Patent Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre
US3246197A (en) * 1962-10-02 1966-04-12 Westinghouse Electric Corp Cathode heater having an aluminum oxide and tungesten coating
US3372297A (en) * 1964-09-28 1968-03-05 Varian Associates High frequency electron discharge devices and thermionic cathodes having improved (cvd) refractory insulation coated heater wires
US3737714A (en) * 1964-12-18 1973-06-05 Sylvania Electric Prod Dark coated heater for vacuum tube cathode
US3401297A (en) * 1965-08-23 1968-09-10 Varian Associates Thermionic cathodes for electron discharge devices with improved refractory metal heater wires
US3558966A (en) * 1967-03-01 1971-01-26 Semicon Associates Inc Directly heated dispenser cathode
US3500454A (en) * 1967-11-16 1970-03-10 Sylvania Electric Prod Insulator heater coating for heater-cathode assembly
US3531678A (en) * 1968-06-24 1970-09-29 Raytheon Co Heater with boron nitride coating
US3765939A (en) * 1972-05-10 1973-10-16 Gte Sylvania Inc Method of coating cathode heaters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS573039U (enrdf_load_stackoverflow) * 1980-06-06 1982-01-08

Also Published As

Publication number Publication date
FR2224866B1 (enrdf_load_stackoverflow) 1978-11-03
GB1461495A (en) 1977-01-13
CA1032592A (en) 1978-06-06
US3902093A (en) 1975-08-26
NL7404521A (enrdf_load_stackoverflow) 1974-10-08
JPS5052962A (enrdf_load_stackoverflow) 1975-05-10
DE2317446B2 (de) 1977-08-18
DE2317446C3 (de) 1983-11-10
DE2317446A1 (de) 1974-10-24
ES425053A1 (es) 1976-11-16
FR2224866A1 (enrdf_load_stackoverflow) 1974-10-31
IT1007777B (it) 1976-10-30
BE813271R (nl) 1974-10-04

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