DE69026032D1 - Scandatkathode - Google Patents

Scandatkathode

Info

Publication number
DE69026032D1
DE69026032D1 DE69026032T DE69026032T DE69026032D1 DE 69026032 D1 DE69026032 D1 DE 69026032D1 DE 69026032 T DE69026032 T DE 69026032T DE 69026032 T DE69026032 T DE 69026032T DE 69026032 D1 DE69026032 D1 DE 69026032D1
Authority
DE
Germany
Prior art keywords
scandate cathode
scandate
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 - Fee Related
Application number
DE69026032T
Other languages
English (en)
Other versions
DE69026032T2 (de
Inventor
Frans Matheus Mathild Snijkers
Jacobus Eduardus Crombeen
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 Electronics 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 Electronics NV filed Critical Philips Electronics NV
Publication of DE69026032D1 publication Critical patent/DE69026032D1/de
Application granted granted Critical
Publication of DE69026032T2 publication Critical patent/DE69026032T2/de
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
DE69026032T 1989-11-13 1990-11-07 Scandatkathode Expired - Fee Related DE69026032T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8902793A NL8902793A (nl) 1989-11-13 1989-11-13 Scandaatkathode.

Publications (2)

Publication Number Publication Date
DE69026032D1 true DE69026032D1 (de) 1996-04-25
DE69026032T2 DE69026032T2 (de) 1996-10-02

Family

ID=19855607

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69026032T Expired - Fee Related DE69026032T2 (de) 1989-11-13 1990-11-07 Scandatkathode

Country Status (7)

Country Link
US (2) US5264757A (de)
EP (1) EP0428206B1 (de)
JP (1) JPH03173034A (de)
KR (1) KR100189035B1 (de)
CN (1) CN1036165C (de)
DE (1) DE69026032T2 (de)
NL (1) NL8902793A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658360B1 (fr) * 1990-02-09 1996-08-14 Thomson Tubes Electroniques Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede.
DE4207220A1 (de) * 1992-03-07 1993-09-09 Philips Patentverwaltung Festkoerperelement fuer eine thermionische kathode
US5407633A (en) * 1994-03-15 1995-04-18 U.S. Philips Corporation Method of manufacturing a dispenser cathode
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
KR100386303B1 (ko) * 2000-07-14 2003-06-02 주식회사 한국오존텍 오존 및 자외선 발생 장치
ITMI20012273A1 (it) * 2001-10-29 2003-04-29 Getters Spa Leghe e dispositivi getter per l'evaporazione del calcio
KR101072948B1 (ko) 2003-02-14 2011-10-17 마퍼 리쏘그라피 아이피 비.브이. 디스펜서 음극
US7153586B2 (en) * 2003-08-01 2006-12-26 Vapor Technologies, Inc. Article with scandium compound decorative coating
US20070026205A1 (en) 2005-08-01 2007-02-01 Vapor Technologies Inc. Article having patterned decorative coating
RU2624264C2 (ru) * 2011-08-03 2017-07-03 Конинклейке Филипс Н.В. Мишень для диспенсерного катода на основе скандата бария

Family Cites Families (15)

* 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
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.
NL7905542A (nl) * 1979-07-17 1981-01-20 Philips Nv Naleveringskathode.
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.
JPH0719530B2 (ja) * 1984-06-29 1995-03-06 株式会社日立製作所 陰極線管
NL8403031A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
NL8403032A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze.
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
JPS63224127A (ja) * 1987-03-11 1988-09-19 Hitachi Ltd 含浸形陰極
NL8701583A (nl) * 1987-07-06 1989-02-01 Philips Nv Scandaatkathode.
NL8702727A (nl) * 1987-11-16 1989-06-16 Philips Nv Scandaatkathode.
NL8900765A (nl) * 1989-03-29 1990-10-16 Philips Nv Scandaatkathode.
US5114742A (en) * 1991-07-17 1992-05-19 The United States Of America As Represented By The Secretary Of The Army Preparing a scandate cathode by impregnating a porous tungsten billet with Ba3 Al2 O6, coating the top surface with a mixture of Sc6 WO12, Sc2 (WO4)3, and W in a 1:3:2 mole ratio, and heating in a vacuum

Also Published As

Publication number Publication date
JPH03173034A (ja) 1991-07-26
EP0428206B1 (de) 1996-03-20
KR100189035B1 (ko) 1999-06-01
CN1051820A (zh) 1991-05-29
US5314364A (en) 1994-05-24
DE69026032T2 (de) 1996-10-02
US5264757A (en) 1993-11-23
KR910010579A (ko) 1991-06-29
CN1036165C (zh) 1997-10-15
NL8902793A (nl) 1991-06-03
EP0428206A1 (de) 1991-05-22

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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee