NL9002291A - Oxydekathode. - Google Patents

Oxydekathode. Download PDF

Info

Publication number
NL9002291A
NL9002291A NL9002291A NL9002291A NL9002291A NL 9002291 A NL9002291 A NL 9002291A NL 9002291 A NL9002291 A NL 9002291A NL 9002291 A NL9002291 A NL 9002291A NL 9002291 A NL9002291 A NL 9002291A
Authority
NL
Netherlands
Prior art keywords
earth metal
rare earth
atoms
alkaline earth
cathode according
Prior art date
Application number
NL9002291A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL9002291A priority Critical patent/NL9002291A/nl
Priority to DE69102612T priority patent/DE69102612T2/de
Priority to EP91202695A priority patent/EP0482704B1/en
Priority to CN91110822A priority patent/CN1027719C/zh
Priority to JP3272348A priority patent/JPH04259725A/ja
Publication of NL9002291A publication Critical patent/NL9002291A/nl
Priority to US08/051,255 priority patent/US5347194A/en

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

Landscapes

  • Solid Thermionic Cathode (AREA)
NL9002291A 1990-10-22 1990-10-22 Oxydekathode. NL9002291A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL9002291A NL9002291A (nl) 1990-10-22 1990-10-22 Oxydekathode.
DE69102612T DE69102612T2 (de) 1990-10-22 1991-10-17 Oxydkathode.
EP91202695A EP0482704B1 (en) 1990-10-22 1991-10-17 Oxide cathode
CN91110822A CN1027719C (zh) 1990-10-22 1991-10-21 氧化物阴极
JP3272348A JPH04259725A (ja) 1990-10-22 1991-10-21 酸化物陰極
US08/051,255 US5347194A (en) 1990-10-22 1993-04-21 Oxide cathode with rare earth addition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9002291 1990-10-22
NL9002291A NL9002291A (nl) 1990-10-22 1990-10-22 Oxydekathode.

Publications (1)

Publication Number Publication Date
NL9002291A true NL9002291A (nl) 1992-05-18

Family

ID=19857855

Family Applications (1)

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

Country Status (6)

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

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 (en) * 2007-04-20 2008-10-22 PANalytical B.V. X-ray cathode and tube
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 (zh) * 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
JPH04259725A (ja) 1992-09-16
CN1062234A (zh) 1992-06-24
EP0482704B1 (en) 1994-06-22
CN1027719C (zh) 1995-02-22
DE69102612T2 (de) 1995-01-12
EP0482704A1 (en) 1992-04-29
DE69102612D1 (de) 1994-07-28

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BV The patent application has lapsed