FR1460995A - Cathode chaude et son procédé de fabrication - Google Patents

Cathode chaude et son procédé de fabrication

Info

Publication number
FR1460995A
FR1460995A FR41173A FR41173A FR1460995A FR 1460995 A FR1460995 A FR 1460995A FR 41173 A FR41173 A FR 41173A FR 41173 A FR41173 A FR 41173A FR 1460995 A FR1460995 A FR 1460995A
Authority
FR
France
Prior art keywords
manufacturing process
hot cathode
cathode
hot
manufacturing
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
FR41173A
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of FR1460995A publication Critical patent/FR1460995A/fr
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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR41173A 1964-12-07 1965-12-07 Cathode chaude et son procédé de fabrication Expired FR1460995A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US418591A US3400294A (en) 1964-12-07 1964-12-07 Heated cathode and method of manufacture
US680517A US3528156A (en) 1964-12-07 1967-11-03 Method of manufacturing heated cathode

Publications (1)

Publication Number Publication Date
FR1460995A true FR1460995A (fr) 1966-12-02

Family

ID=27024193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41173A Expired FR1460995A (fr) 1964-12-07 1965-12-07 Cathode chaude et son procédé de fabrication

Country Status (4)

Country Link
US (2) US3400294A (fr)
BE (1) BE673331A (fr)
FR (1) FR1460995A (fr)
NL (1) NL6515865A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581144A (en) * 1969-03-27 1971-05-25 Gen Electric Metal-clad insulated electrical heater
US3671792A (en) * 1969-10-29 1972-06-20 Itt Fast warm-up indirectly heated cathode structure
US3710161A (en) * 1970-10-30 1973-01-09 Gen Electric Quick-heating impregnated planar cathode
US3720985A (en) * 1971-06-30 1973-03-20 Gte Sylvania Inc Method of improving adherence of emissive material in thermionic cathodes
US3722045A (en) * 1971-06-30 1973-03-27 Gte Sylvania Inc Methods of improving adherence of emissive material in thermionic cathodes
JPS51147171A (en) * 1975-06-11 1976-12-17 Sony Corp Flat surface multilayer cathode
FR2476386A1 (fr) 1980-02-15 1981-08-21 Thomson Csf Element chauffant pour cathode a chauffage indirect, procede de fabrication d'un tel element et cathode a chauffage indirect comportant un tel element
US5713775A (en) * 1995-05-02 1998-02-03 Massachusetts Institute Of Technology Field emitters of wide-bandgap materials and methods for their fabrication
WO2003075317A1 (fr) * 2002-03-05 2003-09-12 Mineta Company Ltd. Filament
US20200113020A1 (en) * 2018-10-05 2020-04-09 Serendipity Technologies Llc Low power high-efficiency heating element
US20210106056A1 (en) * 2019-10-10 2021-04-15 Tuanfang Liu Atomization core
US11244800B2 (en) * 2020-06-18 2022-02-08 Axcelis Technologies, Inc. Stepped indirectly heated cathode with improved shielding
CN119235548B (zh) * 2024-11-11 2025-07-18 深圳大唐鼎盛技术有限公司 一种含有发热片的蒸汽眼罩

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1431825A (en) * 1921-07-18 1922-10-10 Lemoine Henri Guido Electric resistance heater
US2451297A (en) * 1944-08-01 1948-10-12 Rca Corp Rugged gaseous discharge triodes
US2577239A (en) * 1949-09-12 1951-12-04 Eitel Mccullough Inc Cathode and heater structure for electron tubes
US2981897A (en) * 1954-10-22 1961-04-25 Gen Electric Electric discharge device and socket
US3041209A (en) * 1955-06-28 1962-06-26 Gen Electric Method of making a thermionic cathode
US2864968A (en) * 1955-10-14 1958-12-16 Varian Associates Cathode structure
GB820504A (en) * 1956-07-20 1959-09-23 Mullard Radio Valve Co Ltd Improvements in and relating to cathodes
US3226806A (en) * 1960-03-18 1966-01-04 Eitel Mccullough Inc Method of making a cathode heater assembly
FR1260743A (fr) * 1960-03-31 1961-05-12 Thomson Houston Comp Francaise Procédé de fabrication de cathodes à chauffage indirect pour tubes électroniqueset cathodes fabriquées suivant ce procédé
US3307241A (en) * 1963-10-14 1967-03-07 Litton Prec Products Inc Process for making cathodes

Also Published As

Publication number Publication date
US3528156A (en) 1970-09-15
BE673331A (fr) 1966-04-01
NL6515865A (fr) 1966-06-08
US3400294A (en) 1968-09-03

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