ES8407243A1 - Un metodo de fabricar un catodo emisor. como divisional de la solicitud de patente de invencion n 521145 presentada el 30 de marzo de 1983. - Google Patents

Un metodo de fabricar un catodo emisor. como divisional de la solicitud de patente de invencion n 521145 presentada el 30 de marzo de 1983.

Info

Publication number
ES8407243A1
ES8407243A1 ES528067A ES528067A ES8407243A1 ES 8407243 A1 ES8407243 A1 ES 8407243A1 ES 528067 A ES528067 A ES 528067A ES 528067 A ES528067 A ES 528067A ES 8407243 A1 ES8407243 A1 ES 8407243A1
Authority
ES
Spain
Prior art keywords
cathode
dispenser cathode
manufacturing
methods
manufactured according
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
ES528067A
Other languages
English (en)
Other versions
ES528067A0 (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 ES528067A0 publication Critical patent/ES528067A0/es
Publication of ES8407243A1 publication Critical patent/ES8407243A1/es
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
    • 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)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)

Abstract

METODO PARA FABRICAR UN CATODO EMISOR QUE COMPRENDE COMPUESTOS DE BARIO Y ESCANDIO.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, EN UNA PRENSA SE PREPARA UN CUERPO DE CATODO (1) PARTIENDO DE WOLFRAMIO EN POLVO; SEGUNDA, SE PROPORCIONA UNA CAPA DE OXIDO DE ESCANDIO SOBRE LA SUPERFICIE DEL CUERPO DEL CATODO; TERCERA, EL CUERPO DE CATODO RECUBIERTO CON EL OXIDO DE ESCANDIO SE SOMETE A UN PROCESO DE RECOCIDO; Y POR ULTIMO, EL FILAMENTO EN FORMA DE ESPIRAL (4) SE INTRODUCE EN EL CUERPO DE CATODO (1).
ES528067A 1982-04-01 1983-12-15 Un metodo de fabricar un catodo emisor. como divisional de la solicitud de patente de invencion n 521145 presentada el 30 de marzo de 1983. Expired ES8407243A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8201371A NL8201371A (nl) 1982-04-01 1982-04-01 Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen.

Publications (2)

Publication Number Publication Date
ES528067A0 ES528067A0 (es) 1984-08-16
ES8407243A1 true ES8407243A1 (es) 1984-08-16

Family

ID=19839516

Family Applications (3)

Application Number Title Priority Date Filing Date
ES521145A Expired ES8605125A1 (es) 1982-04-01 1983-03-30 Un metodo de fabricar un catodo suministrador.
ES528068A Granted ES528068A0 (es) 1982-04-01 1983-12-15 Un metodo de fabricar un catodo emisor.como divisional de la solicitud de patente de invencion n 521.145 presentada el 30 de marzo de 1983.(como divisional de la patente numero 521.145)
ES528067A Expired ES8407243A1 (es) 1982-04-01 1983-12-15 Un metodo de fabricar un catodo emisor. como divisional de la solicitud de patente de invencion n 521145 presentada el 30 de marzo de 1983.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
ES521145A Expired ES8605125A1 (es) 1982-04-01 1983-03-30 Un metodo de fabricar un catodo suministrador.
ES528068A Granted ES528068A0 (es) 1982-04-01 1983-12-15 Un metodo de fabricar un catodo emisor.como divisional de la solicitud de patente de invencion n 521.145 presentada el 30 de marzo de 1983.(como divisional de la patente numero 521.145)

Country Status (9)

Country Link
US (1) US4625142A (es)
EP (1) EP0091161B1 (es)
JP (1) JPS58177484A (es)
KR (1) KR900008790B1 (es)
CA (1) CA1212715A (es)
DD (1) DD209703A5 (es)
DE (1) DE3364254D1 (es)
ES (3) ES8605125A1 (es)
NL (1) NL8201371A (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154131A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 含浸形陰極
NL8403032A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze.
NL8403031A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
JPS61183838A (ja) * 1985-02-08 1986-08-16 Hitachi Ltd 含浸形カソ−ド
NL8501257A (nl) * 1985-05-03 1986-12-01 Philips Nv Werkwijze voor het vervaardigen van een naleveringskathode en toepassing van de werkwijze.
KR900007751B1 (ko) * 1985-05-25 1990-10-19 미쯔비시덴끼 가부시기가이샤 전자관 음극 및 그 제조방법
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
KR900009071B1 (ko) * 1986-05-28 1990-12-20 가부시기가이샤 히다찌세이사구쇼 함침형 음극
KR910002969B1 (ko) * 1987-06-12 1991-05-11 미쓰비시전기주식회사 전자관음극(cathode for an electron tube)
NL8701584A (nl) * 1987-07-06 1989-02-01 Philips Nv Werkwijze voor de vervaardiging van een naleveringskathode; naleveringskathode vervaardigd volgens de werkwijze; lopende golfbuis, klystron en zendbuis bevattende een kathode vervaardigd volgens de werkwijze.
NL8701583A (nl) * 1987-07-06 1989-02-01 Philips Nv Scandaatkathode.
NL8702727A (nl) * 1987-11-16 1989-06-16 Philips Nv Scandaatkathode.
US5418070A (en) * 1988-04-28 1995-05-23 Varian Associates, Inc. Tri-layer impregnated cathode
NL8900765A (nl) * 1989-03-29 1990-10-16 Philips Nv Scandaatkathode.
NL8902793A (nl) * 1989-11-13 1991-06-03 Philips Nv Scandaatkathode.
FR2658360B1 (fr) * 1990-02-09 1996-08-14 Thomson Tubes Electroniques Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede.
KR940011717B1 (ko) * 1990-10-05 1994-12-23 가부시기가이샤 히다찌세이사구쇼 전자관음극
US5065070A (en) * 1990-12-21 1991-11-12 Hughes Aircraft Company Sputtered scandate coatings for dispenser cathodes
US5041757A (en) * 1990-12-21 1991-08-20 Hughes Aircraft Company Sputtered scandate coatings for dispenser cathodes and methods for making same
FR2677169A1 (fr) * 1991-05-31 1992-12-04 Thomson Tubes Electroniques Cathode a oxydes et procede de fabrication.
WO1996042100A1 (fr) 1995-06-09 1996-12-27 Kabushiki Kaisha Toshiba Structure de cathode impregnee, substrat de cathode pour une telle structure, structure de canon a electrons utilisant une telle structure de cathode, et tube electronique
CN100433230C (zh) * 2006-07-19 2008-11-12 北京工业大学 压制型含钪扩散阴极的制备方法
RU2446505C1 (ru) * 2010-07-13 2012-03-27 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Исток" (ФГУП "НПП "Исток") Способ изготовления катода для свч-прибора
RU2449408C1 (ru) * 2011-04-01 2012-04-27 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Исток" (ФГУП "НПП "Исток") Способ изготовления металлопористого катода
US10497530B2 (en) * 2015-04-10 2019-12-03 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Thermionic tungsten/scandate cathodes and methods of making the same
CN106041069B (zh) * 2016-05-27 2018-06-12 北京工业大学 一种基于微波烧结的压制型含钪扩散阴极制备方法
RU2724980C1 (ru) * 2019-10-15 2020-06-29 Акционерное общество "Научно-производственное предприятие "Алмаз" (АО "НПП "Алмаз") Двухслойный металлопористый катод и способ его изготовления
RU2746018C1 (ru) * 2020-06-30 2021-04-06 Акционерное общество "Научно-производственное предприятие "Алмаз" (АО "НПП "Алмаз") Способ изготовления металлопористого катода

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358178A (en) * 1964-08-05 1967-12-12 Figner Avraam Iljich Metal-porous body having pores filled with barium scandate
US3538570A (en) * 1968-02-28 1970-11-10 Otto G Koppius Thermionic dispenser cathode
US3719856A (en) * 1971-05-19 1973-03-06 O Koppius Impregnants for dispenser cathodes
SU439028A1 (ru) * 1972-08-08 1974-08-05 Е. И. Давыдова, А. Д. Карпенко , В. А. Шишкин Способ изготовлени автоэлектронных катодов
NL7500248A (nl) * 1975-01-09 1976-07-13 Philips Nv Werkwijze voor het vervaardigen van een geperste naleveringskathode en naleveringskathode ver- vaardigd volgens deze werkwijze.
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.
NL7905542A (nl) * 1979-07-17 1981-01-20 Philips Nv Naleveringskathode.

Also Published As

Publication number Publication date
DE3364254D1 (en) 1986-07-31
EP0091161A1 (en) 1983-10-12
ES528067A0 (es) 1984-08-16
EP0091161B1 (en) 1986-06-25
US4625142A (en) 1986-11-25
ES8605125A1 (es) 1986-03-01
NL8201371A (nl) 1983-11-01
CA1212715A (en) 1986-10-14
ES521145A0 (es) 1986-03-01
ES8406791A1 (es) 1984-08-01
KR900008790B1 (ko) 1990-11-29
JPS58177484A (ja) 1983-10-18
ES528068A0 (es) 1984-08-01
DD209703A5 (de) 1984-05-16
KR840004823A (ko) 1984-10-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980401