DE69102612D1 - Oxydkathode. - Google Patents

Oxydkathode.

Info

Publication number
DE69102612D1
DE69102612D1 DE69102612T DE69102612T DE69102612D1 DE 69102612 D1 DE69102612 D1 DE 69102612D1 DE 69102612 T DE69102612 T DE 69102612T DE 69102612 T DE69102612 T DE 69102612T DE 69102612 D1 DE69102612 D1 DE 69102612D1
Authority
DE
Germany
Prior art keywords
oxide cathode
cathode
oxide
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
DE69102612T
Other languages
English (en)
Other versions
DE69102612T2 (de
Inventor
Petrus Jacobus Antonius Derks
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 DE69102612D1 publication Critical patent/DE69102612D1/de
Publication of DE69102612T2 publication Critical patent/DE69102612T2/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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
DE69102612T 1990-10-22 1991-10-17 Oxydkathode. Expired - Fee Related DE69102612T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9002291A NL9002291A (nl) 1990-10-22 1990-10-22 Oxydekathode.

Publications (2)

Publication Number Publication Date
DE69102612D1 true DE69102612D1 (de) 1994-07-28
DE69102612T2 DE69102612T2 (de) 1995-01-12

Family

ID=19857855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102612T Expired - Fee Related DE69102612T2 (de) 1990-10-22 1991-10-17 Oxydkathode.

Country Status (6)

Country Link
US (1) US5347194A (de)
EP (1) EP0482704B1 (de)
JP (1) JPH04259725A (de)
CN (1) CN1027719C (de)
DE (1) DE69102612T2 (de)
NL (1) NL9002291A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100294485B1 (ko) * 1993-08-24 2001-09-17 김순택 산화물음극
KR100200661B1 (ko) * 1994-10-12 1999-06-15 손욱 전자관용 음극
JPH09147735A (ja) * 1995-09-21 1997-06-06 Matsushita Electron Corp 陰極線管用エミッタ材料及びその製造方法
KR100252817B1 (ko) * 1996-02-29 2000-04-15 모리 가즈히로 전자관용 음극
US5925976A (en) * 1996-11-12 1999-07-20 Matsushita Electronics Corporation Cathode for electron tube having specific emissive material
KR100249714B1 (ko) * 1997-12-30 2000-03-15 손욱 전자총용 음극
TW430842B (en) * 1998-10-28 2001-04-21 Matsushita Electronics Corp Cathode structure for cathode ray tube
DE10045406A1 (de) 2000-09-14 2002-03-28 Philips Corp Intellectual Pty Kathodenstrahlröhre mit dotierter Oxidkathode
KR100442300B1 (ko) * 2002-01-04 2004-07-30 엘지.필립스디스플레이(주) 음극선관용 음극
KR100490170B1 (ko) * 2003-07-10 2005-05-16 엘지.필립스 디스플레이 주식회사 음극선관용 음극
EP1983546A1 (de) * 2007-04-20 2008-10-22 PANalytical B.V. Röntgenstrahlkathode und -röhre
CN105679624B (zh) * 2016-03-03 2017-08-25 宁波凯耀电器制造有限公司 一种耐轰击的电子发射材料及其制备方法
CN110690085B (zh) * 2019-10-24 2022-03-11 成都国光电气股份有限公司 一种制备六元阴极发射物质的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555661B2 (de) * 1972-05-12 1980-02-08
JPS555661A (en) * 1978-06-30 1980-01-16 Tokyo Shibaura Electric Co Ultrasoniccwave inspection device
US4359489A (en) * 1981-03-18 1982-11-16 Corneille David M Coprecipitation process for thermionic cathode type materials
US4411827A (en) * 1981-03-18 1983-10-25 Corneille David M Coprecipitation process for thermionic cathode type materials
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
JPS63224127A (ja) * 1987-03-11 1988-09-19 Hitachi Ltd 含浸形陰極
NL8901076A (nl) * 1989-04-28 1990-11-16 Philips Nv Oxydekathode.
KR920001337B1 (ko) * 1989-09-07 1992-02-10 삼성전관 주식회사 전자관음극 및 그 제조방법

Also Published As

Publication number Publication date
US5347194A (en) 1994-09-13
NL9002291A (nl) 1992-05-18
JPH04259725A (ja) 1992-09-16
CN1062234A (zh) 1992-06-24
EP0482704B1 (de) 1994-06-22
CN1027719C (zh) 1995-02-22
DE69102612T2 (de) 1995-01-12
EP0482704A1 (de) 1992-04-29

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

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