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DE50115554D1 - Kathodenstrahlröhre mit dotierter Oxidkathode - Google Patents

Kathodenstrahlröhre mit dotierter Oxidkathode

Info

Publication number
DE50115554D1
DE50115554D1 DE50115554T DE50115554T DE50115554D1 DE 50115554 D1 DE50115554 D1 DE 50115554D1 DE 50115554 T DE50115554 T DE 50115554T DE 50115554 T DE50115554 T DE 50115554T DE 50115554 D1 DE50115554 D1 DE 50115554D1
Authority
DE
Germany
Prior art keywords
cathode
ray tube
doped oxide
cathode ray
oxide 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
DE50115554T
Other languages
English (en)
Inventor
Georg Gaertner
Detlef Raasch
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Intellectual Property and Standards 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 Philips Intellectual Property and Standards GmbH filed Critical Philips Intellectual Property and Standards GmbH
Priority to DE50115554T priority Critical patent/DE50115554D1/de
Application granted granted Critical
Publication of DE50115554D1 publication Critical patent/DE50115554D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04Cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • H01J1/142Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
DE50115554T 2000-09-14 2001-09-13 Kathodenstrahlröhre mit dotierter Oxidkathode Expired - Lifetime DE50115554D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50115554T DE50115554D1 (de) 2000-09-14 2001-09-13 Kathodenstrahlröhre mit dotierter Oxidkathode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10045406A DE10045406A1 (de) 2000-09-14 2000-09-14 Kathodenstrahlröhre mit dotierter Oxidkathode
DE50115554T DE50115554D1 (de) 2000-09-14 2001-09-13 Kathodenstrahlröhre mit dotierter Oxidkathode

Publications (1)

Publication Number Publication Date
DE50115554D1 true DE50115554D1 (de) 2010-08-26

Family

ID=7656142

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10045406A Withdrawn DE10045406A1 (de) 2000-09-14 2000-09-14 Kathodenstrahlröhre mit dotierter Oxidkathode
DE50115554T Expired - Lifetime DE50115554D1 (de) 2000-09-14 2001-09-13 Kathodenstrahlröhre mit dotierter Oxidkathode

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10045406A Withdrawn DE10045406A1 (de) 2000-09-14 2000-09-14 Kathodenstrahlröhre mit dotierter Oxidkathode

Country Status (6)

Country Link
US (1) US6600257B2 (de)
EP (1) EP1189253B1 (de)
JP (1) JP5226921B2 (de)
KR (1) KR100776699B1 (de)
CN (1) CN1254838C (de)
DE (2) DE10045406A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10254697A1 (de) * 2002-11-23 2004-06-03 Philips Intellectual Property & Standards Gmbh Vakuumelektronenröhre mit Oxidkathode
US8311186B2 (en) * 2007-12-14 2012-11-13 Schlumberger Technology Corporation Bi-directional dispenser cathode
US7786661B2 (en) * 2008-06-06 2010-08-31 General Electric Company Emissive electrode materials for electric lamps and methods of making
KR102123028B1 (ko) * 2018-12-04 2020-06-26 한남대학교 산학협력단 이오나이저용 금속산화물 텅스텐 필라멘트 및 이의 제조방법
KR102123029B1 (ko) * 2018-12-04 2020-06-15 한남대학교 산학협력단 고효율 전자방출용 금속산화물이 코팅된 텅스텐 와이어 및 이의 제조방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1794298A (en) * 1926-09-21 1931-02-24 Gen Electric Thermionic cathode
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
KR910002969B1 (ko) * 1987-06-12 1991-05-11 미쓰비시전기주식회사 전자관음극(cathode for an electron tube)
JPH01143117A (ja) * 1987-11-27 1989-06-05 Mitsubishi Electric Corp 陰極構体
NL9002291A (nl) * 1990-10-22 1992-05-18 Philips Nv Oxydekathode.
KR950006905A (ko) * 1993-08-28 1995-03-21 대우전자 주식회사 음극선관용 전자총의 산화물음극
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
KR100366073B1 (ko) * 1995-10-30 2003-03-06 삼성에스디아이 주식회사 전자관용음극
TW375753B (en) * 1995-12-27 1999-12-01 Mitsubishi Electric Corp Electron tube cathode
JPH09320448A (ja) * 1996-05-28 1997-12-12 Hitachi Ltd 電子管用酸化物陰極及びその製造方法
JP2876591B2 (ja) * 1996-11-29 1999-03-31 三菱電機株式会社 電子管用陰極
JP2000357464A (ja) * 1999-06-14 2000-12-26 Hitachi Ltd 陰極線管
US6495949B1 (en) * 1999-11-03 2002-12-17 Orion Electric Co., Ltd. Electron tube cathode

Also Published As

Publication number Publication date
CN1254838C (zh) 2006-05-03
US20020070651A1 (en) 2002-06-13
KR100776699B1 (ko) 2007-11-16
US6600257B2 (en) 2003-07-29
JP5226921B2 (ja) 2013-07-03
JP2002140999A (ja) 2002-05-17
EP1189253B1 (de) 2010-07-14
DE10045406A1 (de) 2002-03-28
KR20020021336A (ko) 2002-03-20
CN1342988A (zh) 2002-04-03
EP1189253A1 (de) 2002-03-20

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