FR2658360B1 - Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede. - Google Patents

Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede.

Info

Publication number
FR2658360B1
FR2658360B1 FR9001518A FR9001518A FR2658360B1 FR 2658360 B1 FR2658360 B1 FR 2658360B1 FR 9001518 A FR9001518 A FR 9001518A FR 9001518 A FR9001518 A FR 9001518A FR 2658360 B1 FR2658360 B1 FR 2658360B1
Authority
FR
France
Prior art keywords
cathode
manufacturing
impregnated
impregnated cathode
cathode obtained
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 - Fee Related
Application number
FR9001518A
Other languages
English (en)
Other versions
FR2658360A1 (fr
Inventor
Arvind Shroff
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.)
Thales Electron Devices SA
Original Assignee
Thomson Tubes Electroniques
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 Thomson Tubes Electroniques filed Critical Thomson Tubes Electroniques
Priority to FR9001518A priority Critical patent/FR2658360B1/fr
Priority to CA002035170A priority patent/CA2035170C/fr
Priority to EP91400272A priority patent/EP0441698B1/fr
Priority to DE69113290T priority patent/DE69113290T2/de
Priority to JP3948191A priority patent/JP2710700B2/ja
Publication of FR2658360A1 publication Critical patent/FR2658360A1/fr
Priority to US07/887,663 priority patent/US5334085A/en
Application granted granted Critical
Publication of FR2658360B1 publication Critical patent/FR2658360B1/fr
Priority to HK34097A priority patent/HK34097A/xx
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
FR9001518A 1990-02-09 1990-02-09 Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede. Expired - Fee Related FR2658360B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9001518A FR2658360B1 (fr) 1990-02-09 1990-02-09 Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede.
CA002035170A CA2035170C (fr) 1990-02-09 1991-01-29 Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede
DE69113290T DE69113290T2 (de) 1990-02-09 1991-02-05 Herstellungsverfahren einer Impregnierungskathode und mittels eines solchen Verfahrens gewonnene Kathode.
EP91400272A EP0441698B1 (fr) 1990-02-09 1991-02-05 Procédé de fabrication d'une cathode imprégnée, et cathode obtenue par ce procédé
JP3948191A JP2710700B2 (ja) 1990-02-09 1991-02-08 含浸形陰極の製造法及びこの方法によって得られる陰極
US07/887,663 US5334085A (en) 1990-02-09 1992-05-26 Process for the manufacture of an impregnated cathode and a cathode obtained by this process
HK34097A HK34097A (en) 1990-02-09 1997-03-20 Impregnated cathode manufacturing procedure and cathode obtained therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9001518A FR2658360B1 (fr) 1990-02-09 1990-02-09 Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede.

Publications (2)

Publication Number Publication Date
FR2658360A1 FR2658360A1 (fr) 1991-08-16
FR2658360B1 true FR2658360B1 (fr) 1996-08-14

Family

ID=9393533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9001518A Expired - Fee Related FR2658360B1 (fr) 1990-02-09 1990-02-09 Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede.

Country Status (7)

Country Link
US (1) US5334085A (fr)
EP (1) EP0441698B1 (fr)
JP (1) JP2710700B2 (fr)
CA (1) CA2035170C (fr)
DE (1) DE69113290T2 (fr)
FR (1) FR2658360B1 (fr)
HK (1) HK34097A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4234843A1 (de) * 1992-10-15 1994-04-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Niederdruckentladungslampe und Herstellungsverfahren für eine Niederdruckentladungslampe
JPH0850849A (ja) * 1994-05-31 1996-02-20 Nec Kansai Ltd 陰極部材およびそれを用いた電子管
KR20020068644A (ko) * 2001-02-21 2002-08-28 삼성에스디아이 주식회사 금속 음극 및 이를 구비한 방열형 음극구조체
US6771014B2 (en) * 2001-09-07 2004-08-03 The Boeing Company Cathode design
CN101992374A (zh) * 2010-10-08 2011-03-30 杭州兴达机械有限公司 减速箱体微孔修补装置及方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL89470C (fr) * 1953-03-04
NL108501C (fr) * 1957-01-26
SU528632A1 (ru) * 1975-03-24 1976-09-15 Предприятие П/Я А-1067 Способ изготовлени металлопористого прессованного катода
FR2469792A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Cathode thermo-ionique, son procede de fabrication et tube electronique incorporant une telle cathode
JPS58154131A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 含浸形陰極
NL8201371A (nl) * 1982-04-01 1983-11-01 Philips Nv Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen.
JPS61128441A (ja) * 1984-11-28 1986-06-16 Toshiba Corp 含浸形陰極の製造方法
FR2596198A1 (fr) * 1986-03-19 1987-09-25 Thomson Csf Cathodes pour klystron a faisceaux multiples, klystron comportant de telles cathodes et procede de fabrication de telles cathodes
JPS63175313A (ja) * 1987-01-14 1988-07-19 Nec Corp 含浸型陰極およびその製造方法
JPS63254636A (ja) * 1987-04-10 1988-10-21 Hitachi Ltd 含浸形陰極
JPS63311082A (ja) * 1987-06-12 1988-12-19 日本鋼管株式会社 高密度焼結体の製造装置
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.
US4837480A (en) * 1988-03-28 1989-06-06 Hughes Aircraft Company Simplified process for fabricating dispenser cathodes
JP2635415B2 (ja) * 1989-07-21 1997-07-30 関西日本電気株式会社 含浸型陰極の製造方法
NL8902793A (nl) * 1989-11-13 1991-06-03 Philips Nv Scandaatkathode.

Also Published As

Publication number Publication date
US5334085A (en) 1994-08-02
DE69113290D1 (de) 1995-11-02
CA2035170C (fr) 2001-05-29
CA2035170A1 (fr) 1991-08-10
JPH0785782A (ja) 1995-03-31
HK34097A (en) 1997-03-27
FR2658360A1 (fr) 1991-08-16
EP0441698B1 (fr) 1995-09-27
JP2710700B2 (ja) 1998-02-10
EP0441698A1 (fr) 1991-08-14
DE69113290T2 (de) 1996-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse