DE3669230D1 - Verfahren zum herstellen eines poroesen presslings. - Google Patents

Verfahren zum herstellen eines poroesen presslings.

Info

Publication number
DE3669230D1
DE3669230D1 DE8686117238T DE3669230T DE3669230D1 DE 3669230 D1 DE3669230 D1 DE 3669230D1 DE 8686117238 T DE8686117238 T DE 8686117238T DE 3669230 T DE3669230 T DE 3669230T DE 3669230 D1 DE3669230 D1 DE 3669230D1
Authority
DE
Germany
Prior art keywords
producing
porous pressure
porous
pressure
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
DE8686117238T
Other languages
English (en)
Inventor
Frank Dr Bossert
Manfred Hacker
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 GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DE8686117238T priority Critical patent/DE3669230D1/de
Application granted granted Critical
Publication of DE3669230D1 publication Critical patent/DE3669230D1/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
    • 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)
  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
DE8686117238T 1986-01-10 1986-12-10 Verfahren zum herstellen eines poroesen presslings. Expired - Lifetime DE3669230D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686117238T DE3669230D1 (de) 1986-01-10 1986-12-10 Verfahren zum herstellen eines poroesen presslings.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863600480 DE3600480A1 (de) 1986-01-10 1986-01-10 Verfahren zum herstellen eines poroesen presslings
DE8686117238T DE3669230D1 (de) 1986-01-10 1986-12-10 Verfahren zum herstellen eines poroesen presslings.

Publications (1)

Publication Number Publication Date
DE3669230D1 true DE3669230D1 (de) 1990-04-05

Family

ID=6291600

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863600480 Withdrawn DE3600480A1 (de) 1986-01-10 1986-01-10 Verfahren zum herstellen eines poroesen presslings
DE8686117238T Expired - Lifetime DE3669230D1 (de) 1986-01-10 1986-12-10 Verfahren zum herstellen eines poroesen presslings.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863600480 Withdrawn DE3600480A1 (de) 1986-01-10 1986-01-10 Verfahren zum herstellen eines poroesen presslings

Country Status (4)

Country Link
US (1) US4767372A (de)
EP (1) EP0234020B1 (de)
JP (1) JP2563915B2 (de)
DE (2) DE3600480A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4818480A (en) * 1988-06-09 1989-04-04 The United States Of America As Represented By The Secretary Of The Army Method of making a cathode from tungsten and iridium powders using a barium peroxide containing material as the impregnant
US4840767A (en) * 1988-10-03 1989-06-20 The United States Of America As Represented By The Secretary Of The Army Method of making a cathode from tungsten and iridium powders using a barium iridiate formed from barium peroxide and iridium oxide as the impregnant
JP2748729B2 (ja) * 1991-07-25 1998-05-13 日本電気株式会社 含浸形陰極構体の製造方法
JPH0554242U (ja) * 1991-12-25 1993-07-20 株式会社クラウン・パッケージ 包装物品の載置部材
DE19612781C1 (de) * 1996-03-29 1997-08-21 Karmann Gmbh W Bauteil aus metallischem Schaumwerkstoff, Verfahren zum Endformen dieses Bauteils und Vorrichtung zur Ausführung des Verfahrens
KR19990043959A (ko) * 1997-11-30 1999-06-25 김영남 브라운관의 캐소드 제조방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747231A (en) * 1953-01-26 1956-05-29 Mallory & Co Inc P R Method of pressing powder compacts
DE1068818B (de) * 1954-06-16 1959-11-12
US3160780A (en) * 1961-01-17 1964-12-08 Philips Corp Indirectly heated cathode
US3238596A (en) * 1962-10-23 1966-03-08 Sperry Rand Corp Method of fabricating a matrix cathode
DE1764260A1 (de) * 1968-05-04 1971-07-01 Telefunken Patent Verfahren zum Herstellen einer Vorratskathode
US3842309A (en) * 1970-11-12 1974-10-15 Philips Corp Method of manufacturing a storage cathode and cathode manufactured by said method
JPS4890177A (de) * 1972-02-28 1973-11-24
DE2842079A1 (de) * 1978-09-27 1980-04-03 Siemens Ag Vorratskathode, insbesondere metall- kapillar-kathode
US4215457A (en) * 1978-11-16 1980-08-05 U.S. Philips Corporation Rapid heating dispenser cathode in a holder and method of manufacturing the same
JPS55157839A (en) * 1979-05-25 1980-12-08 Matsushita Electric Ind Co Ltd Manufacture of cathode body
DE3133754A1 (de) * 1981-08-26 1983-03-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum bearbeiten von sinterkoerpern von vorratskathoden
US4478590A (en) * 1981-12-28 1984-10-23 North American Philips Consumer Electronics Corp. Depression cathode structure for cathode ray tubes having surface smoothness and method for producing same

Also Published As

Publication number Publication date
EP0234020A1 (de) 1987-09-02
JP2563915B2 (ja) 1996-12-18
EP0234020B1 (de) 1990-02-28
JPS62168316A (ja) 1987-07-24
US4767372A (en) 1988-08-30
DE3600480A1 (de) 1987-07-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AEG ELEKTRONISCHE ROEHREN GMBH, 89077 ULM, DE

8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: THOMSON TUBES ELECTRONIQUES GMBH, 89077 ULM, DE

8327 Change in the person/name/address of the patent owner

Owner name: THALES ELECTRON DEVICES GMBH, 89077 ULM, DE