DE3866931D1 - Verfahren zum herstellen einer vorratskathode. - Google Patents

Verfahren zum herstellen einer vorratskathode.

Info

Publication number
DE3866931D1
DE3866931D1 DE8888200719T DE3866931T DE3866931D1 DE 3866931 D1 DE3866931 D1 DE 3866931D1 DE 8888200719 T DE8888200719 T DE 8888200719T DE 3866931 T DE3866931 T DE 3866931T DE 3866931 D1 DE3866931 D1 DE 3866931D1
Authority
DE
Germany
Prior art keywords
producing
stock
cathode
stock cathode
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 - Lifetime
Application number
DE8888200719T
Other languages
English (en)
Inventor
Jan Francis Cornelis Ma Wijnen
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
Application granted granted Critical
Publication of DE3866931D1 publication Critical patent/DE3866931D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • 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
    • H01J9/042—Manufacture, activation of the emissive part
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
DE8888200719T 1987-04-21 1988-04-14 Verfahren zum herstellen einer vorratskathode. Expired - Lifetime DE3866931D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8700935A NL8700935A (nl) 1987-04-21 1987-04-21 Geimpregneerde kathodes met een gekontroleerde porositeit.

Publications (1)

Publication Number Publication Date
DE3866931D1 true DE3866931D1 (de) 1992-01-30

Family

ID=19849889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888200719T Expired - Lifetime DE3866931D1 (de) 1987-04-21 1988-04-14 Verfahren zum herstellen einer vorratskathode.

Country Status (6)

Country Link
US (1) US5118317A (de)
EP (1) EP0288118B1 (de)
JP (1) JPS63281331A (de)
KR (1) KR880013210A (de)
DE (1) DE3866931D1 (de)
NL (1) NL8700935A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041757A (en) * 1990-12-21 1991-08-20 Hughes Aircraft Company Sputtered scandate coatings for dispenser cathodes and methods for making same
US6001289A (en) * 1991-12-04 1999-12-14 Materials Innovation, Inc. Acid assisted cold welding and intermetallic formation
US6042781A (en) * 1991-12-04 2000-03-28 Materials Innovation, Inc. Ambient temperature method for increasing the green strength of parts
US5318746A (en) * 1991-12-04 1994-06-07 The United States Of America As Represented By The Secretary Of Commerce Process for forming alloys in situ in absence of liquid-phase sintering
US5368275A (en) * 1992-02-11 1994-11-29 Bundy Corporation Fluid line adapter
KR950006088B1 (ko) * 1992-06-27 1995-06-08 주식회사엘지전자 함침형 음극 구조체의 함침 펠렛트 및 그 제조방법
DE19652822A1 (de) 1996-12-18 1998-06-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Sinterelektrode
KR20010045796A (ko) * 1999-11-08 2001-06-05 구자홍 음극선관용 음극의 제조방법
US6905581B2 (en) * 2002-10-31 2005-06-14 Carleton Life Support Systems, Inc. Oxygen permeable electrode system
US7545089B1 (en) 2005-03-21 2009-06-09 Calabazas Creek Research, Inc. Sintered wire cathode

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US927935A (en) * 1907-10-22 1909-07-13 Siemens Ag Method of manufacturing filaments for electric lamps.
US2370242A (en) * 1943-01-15 1945-02-27 Mallory & Co Inc P R Refractory metal composition
DE1059114B (de) * 1955-02-02 1959-06-11 Western Electric Co Kathode fuer Hochleistungs-Magnetrons und Verfahren fuer ihre Herstellung
US2986465A (en) * 1958-11-12 1961-05-30 Kurtz Jacob Method of making compact high density radiation screening material containing tungsten
US3155864A (en) * 1960-03-21 1964-11-03 Gen Electric Dispenser cathode
US3418103A (en) * 1964-12-11 1968-12-24 Mallory & Co Inc P R Process for making tungsten and molybdenum alloys
US3303559A (en) * 1965-05-12 1967-02-14 Rametco Inc Electrical discharge machine electrodes
DE1764260A1 (de) * 1968-05-04 1971-07-01 Telefunken Patent Verfahren zum Herstellen einer Vorratskathode
US3577227A (en) * 1968-10-04 1971-05-04 Us Navy Tungsten materials and a method for providing such materials
US3971110A (en) * 1975-09-11 1976-07-27 The United States Of America As Represented By The Secretary Of The Navy Method for fabricating an electron-emission cathode
JPS55122806A (en) * 1979-03-12 1980-09-20 Hitachi Ltd Production of porous high melting point metal member
DE3226648C2 (de) * 1982-07-16 1984-12-06 Dornier System Gmbh, 7990 Friedrichshafen Heterogenes Wolfram-Legierungspulver
JPS6065424A (ja) * 1983-09-20 1985-04-15 Nippon Telegr & Teleph Corp <Ntt> 電子エミツタ−とその製造方法および該電子エミツタ−の活性化法
NL8501257A (nl) * 1985-05-03 1986-12-01 Philips Nv Werkwijze voor het vervaardigen van een naleveringskathode en toepassing van de werkwijze.
US4708681A (en) * 1987-03-06 1987-11-24 The United States Of America As Represented By The Secretary Of The Army Method of making a long lived high current density cathode from tungsten and iridium powders

Also Published As

Publication number Publication date
EP0288118B1 (de) 1991-12-18
NL8700935A (nl) 1988-11-16
KR880013210A (ko) 1988-11-30
US5118317A (en) 1992-06-02
EP0288118A1 (de) 1988-10-26
JPS63281331A (ja) 1988-11-17

Similar Documents

Publication Publication Date Title
DE3483579D1 (de) Verfahren zum herstellen einer leiterbahn.
DE3586732D1 (de) Verfahren zum herstellen einer dreidimentionaler halbleiteranordung.
DE3686600D1 (de) Verfahren zum herstellen einer harzumhuellten halbleiteranordnung.
DE3583934D1 (de) Verfahren zum herstellen einer halbleiterverbundanordnung.
DE3780369D1 (de) Verfahren zum herstellen einer halbleiterstruktur.
DE3584757D1 (de) Verfahren zum herstellen einer zwei-wannen-cmos-halbleiterstruktur.
DE3586109D1 (de) Verfahren zum herstellen einer verbindungsstruktur von einer halbleiteranordnung.
DE3587231D1 (de) Verfahren zum herstellen einer dmos-halbleiteranordnung.
DE3584071D1 (de) Verfahren zum aufrauhen einer flaeche.
DE3773610D1 (de) Verfahren zum herstellen einer verkleidungsplatte sowie nach dem verfahren hergestellte platte.
DE3768912D1 (de) Verfahren zum herstellen eines verbundwerkstoffgegenstandes.
DE3483280D1 (de) Verfahren zum herstellen einer mehrschicht-halbleiteranordnung.
DE3784836D1 (de) Verfahren zum herstellen von schichtstoffteilen.
DE3679758D1 (de) Verfahren zum herstellen eines supraleitenden hohlraumes.
DE3881794D1 (de) Verfahren zum herstellen eines mehrschichtigen geformten gegenstandes.
DE3889024D1 (de) Verfahren zum Herstellen einer supraleitenden Dünnschicht.
DE3671324D1 (de) Verfahren zum herstellen einer halbleiteranordnung.
DE68906034D1 (de) Verfahren zum herstellen einer halbleiteranordnung.
DE3885900D1 (de) Verfahren zur herstellung eines bohrers.
DE3582627D1 (de) Verfahren zum herstellen einer waermeschrumpfenden polypropylenfolie.
DE3877282D1 (de) Verfahren zum herstellen einer halbleiter-vorrichtung.
DE3684202D1 (de) Verfahren zum herstellen einer passivierungsschicht.
DE3866931D1 (de) Verfahren zum herstellen einer vorratskathode.
DE3765462D1 (de) Verfahren zum herstellen einer optisch lesbaren platte.
DE3877601D1 (de) Verfahren zum herstellen eines supraleitenden drahtes.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee