ES8403243A1 - Un metodo de producir un catodo termoionico. - Google Patents

Un metodo de producir un catodo termoionico.

Info

Publication number
ES8403243A1
ES8403243A1 ES522416A ES522416A ES8403243A1 ES 8403243 A1 ES8403243 A1 ES 8403243A1 ES 522416 A ES522416 A ES 522416A ES 522416 A ES522416 A ES 522416A ES 8403243 A1 ES8403243 A1 ES 8403243A1
Authority
ES
Spain
Prior art keywords
layers
stepped
polycrystalline
succession
gaseous phase
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
ES522416A
Other languages
English (en)
Other versions
ES522416A0 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES8403243A1 publication Critical patent/ES8403243A1/es
Publication of ES522416A0 publication Critical patent/ES522416A0/es
Granted 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
    • 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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Vapour Deposition (AREA)
  • Solid Thermionic Cathode (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

METODO PARA PRODUCIR UN CATODO TERMOIONICO.COMPRENDE UN MATERIAL DE BASE Y UNA RESERVA DE MATERIAL EMISOR Y UNA CAPA MONOATOMICA, TODO LO CUAL SE HALLA FORMANDO CAPAS (1) SUCESIVAS, PRODUCIDAS MEDIANTE FORMACION DE DEPOSITO ALTERNATIVOS DEL MATERIAL DE BASE DE ALTO PUNTO DE FUSION Y DEL MATERIAL EMISOR DE ELECTRONES, A PARTIR DE LA FASE GASEOSA, PRODUCIENDOSE DESPUES LA SUPERFICIE MACROSCOPICA MEDIANTE UNA RECTIFICACION SESGADA.
ES522416A 1982-02-18 1983-05-16 Un metodo de producir un catodo termoionico. Granted ES522416A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823205746 DE3205746A1 (de) 1982-02-18 1982-02-18 Thermionische kathode und verfahren zu ihrer herstellung

Publications (2)

Publication Number Publication Date
ES8403243A1 true ES8403243A1 (es) 1984-03-01
ES522416A0 ES522416A0 (es) 1984-03-01

Family

ID=6156031

Family Applications (2)

Application Number Title Priority Date Filing Date
ES519829A Granted ES519829A0 (es) 1982-02-18 1983-02-16 Un catodo termoionico.
ES522416A Granted ES522416A0 (es) 1982-02-18 1983-05-16 Un metodo de producir un catodo termoionico.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES519829A Granted ES519829A0 (es) 1982-02-18 1983-02-16 Un catodo termoionico.

Country Status (6)

Country Link
US (1) US4524297A (es)
EP (1) EP0087826B1 (es)
JP (1) JPS58155619A (es)
CA (1) CA1194089A (es)
DE (2) DE3205746A1 (es)
ES (2) ES519829A0 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446334A1 (de) * 1984-12-19 1986-06-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung von <111>-vorzugsorientiertem wolfram
JPH0760641B2 (ja) * 1985-02-06 1995-06-28 新日本無線株式会社 マグネトロン用陰極
CA1272504A (en) * 1986-11-18 1990-08-07 Franz Prein Surface for electric discharge
DE3723271A1 (de) * 1987-07-14 1989-01-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kathode fuer eine hochdruckentladungslampe
DE69432174T2 (de) * 1993-11-24 2003-12-11 Tdk Corp., Tokio/Tokyo Kaltkathoden-elektrodenquellenelement und verfahren zur herstellung desselben
RU2194328C2 (ru) * 1998-05-19 2002-12-10 ООО "Высокие технологии" Холодноэмиссионный пленочный катод и способ его получения
US6815876B1 (en) * 1999-06-23 2004-11-09 Agere Systems Inc. Cathode with improved work function and method for making the same
CN1253913C (zh) * 2000-05-11 2006-04-26 松下电器产业株式会社 电子发射性薄膜和用它的等离子体显示面板及其制造方法
KR100442300B1 (ko) * 2002-01-04 2004-07-30 엘지.필립스디스플레이(주) 음극선관용 음극
CN101297452A (zh) * 2005-09-14 2008-10-29 力特保险丝有限公司 充气式电涌放电器、激活化合物、点火条及相应方法
WO2009013685A1 (en) * 2007-07-24 2009-01-29 Philips Intellectual Property & Standards Gmbh Thermionic electron emitter, method for preparing same and x-ray source including same
DE102015211235B4 (de) * 2015-06-18 2023-03-23 Siemens Healthcare Gmbh Emitter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2339392A (en) * 1942-10-06 1944-01-18 Rca Corp Cathode
FR1150153A (fr) * 1953-08-01 1958-01-08 France Etat Cathodes thermoémissives pour tubes électroniques à support de rhénium
US2878409A (en) * 1957-04-29 1959-03-17 Philips Corp Dispenser-type cathode and method of making
US3290543A (en) * 1963-06-03 1966-12-06 Varian Associates Grain oriented dispenser thermionic emitter for electron discharge device
GB1137124A (en) * 1964-12-23 1968-12-18 Nat Res Dev Thermionic electron emitter
SU439028A1 (ru) * 1972-08-08 1974-08-05 Е. И. Давыдова, А. Д. Карпенко , В. А. Шишкин Способ изготовлени автоэлектронных катодов
SU510760A1 (ru) * 1974-09-09 1976-04-15 Организация П/Я Х-5263 Катод
US4019081A (en) * 1974-10-25 1977-04-19 Bbc Brown Boveri & Company Limited Reaction cathode
CH579824A5 (es) * 1974-10-25 1976-09-15 Bbc Brown Boveri & Cie
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.

Also Published As

Publication number Publication date
EP0087826A2 (de) 1983-09-07
ES8401674A1 (es) 1983-12-01
DE3205746A1 (de) 1983-08-25
JPH0447936B2 (es) 1992-08-05
DE3365755D1 (en) 1986-10-09
CA1194089A (en) 1985-09-24
EP0087826B1 (de) 1986-09-03
ES522416A0 (es) 1984-03-01
JPS58155619A (ja) 1983-09-16
EP0087826A3 (en) 1984-06-13
ES519829A0 (es) 1983-12-01
US4524297A (en) 1985-06-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010402