NL8701739A - Oxydekathode. - Google Patents

Oxydekathode. Download PDF

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Publication number
NL8701739A
NL8701739A NL8701739A NL8701739A NL8701739A NL 8701739 A NL8701739 A NL 8701739A NL 8701739 A NL8701739 A NL 8701739A NL 8701739 A NL8701739 A NL 8701739A NL 8701739 A NL8701739 A NL 8701739A
Authority
NL
Netherlands
Prior art keywords
oxide
electron
cathode
emitting material
europium
Prior art date
Application number
NL8701739A
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 NL8701739A priority Critical patent/NL8701739A/nl
Priority to EP88201514A priority patent/EP0300568B1/en
Priority to DE88201514T priority patent/DE3880035T2/de
Priority to JP17933588A priority patent/JP2760512B2/ja
Priority to CN88104518A priority patent/CN1018219B/zh
Priority to KR1019880009043A priority patent/KR970007526B1/ko
Publication of NL8701739A publication Critical patent/NL8701739A/nl
Priority to US07/759,723 priority patent/US5146131A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • 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

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
NL8701739A 1987-07-23 1987-07-23 Oxydekathode. NL8701739A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8701739A NL8701739A (nl) 1987-07-23 1987-07-23 Oxydekathode.
EP88201514A EP0300568B1 (en) 1987-07-23 1988-07-14 Oxide cathode
DE88201514T DE3880035T2 (de) 1987-07-23 1988-07-14 Oxydkathode.
JP17933588A JP2760512B2 (ja) 1987-07-23 1988-07-20 酸化物陰極
CN88104518A CN1018219B (zh) 1987-07-23 1988-07-20 氧化物阴极
KR1019880009043A KR970007526B1 (ko) 1987-07-23 1988-07-20 산화물 전자 방출층이 있는 캐소우드
US07/759,723 US5146131A (en) 1987-07-23 1991-09-11 Alkaline earth metal oxide cathode containing rare earth metal oxide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701739A NL8701739A (nl) 1987-07-23 1987-07-23 Oxydekathode.
NL8701739 1987-07-23

Publications (1)

Publication Number Publication Date
NL8701739A true NL8701739A (nl) 1989-02-16

Family

ID=19850363

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8701739A NL8701739A (nl) 1987-07-23 1987-07-23 Oxydekathode.

Country Status (7)

Country Link
US (1) US5146131A (ko)
EP (1) EP0300568B1 (ko)
JP (1) JP2760512B2 (ko)
KR (1) KR970007526B1 (ko)
CN (1) CN1018219B (ko)
DE (1) DE3880035T2 (ko)
NL (1) NL8701739A (ko)

Families Citing this family (7)

* 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
US5982083A (en) * 1995-02-23 1999-11-09 Samsung Display Devices Co., Ltd. Cathode for electron tube
KR100366073B1 (ko) * 1995-10-30 2003-03-06 삼성에스디아이 주식회사 전자관용음극
KR100249714B1 (ko) * 1997-12-30 2000-03-15 손욱 전자총용 음극
US7652415B2 (en) * 2005-10-20 2010-01-26 General Electric Company Electrode materials for electric lamps and methods of manufacture thereof
US9238773B2 (en) 2011-09-22 2016-01-19 Lawrence Livermore National Security, Llc Lutetium oxide-based transparent ceramic scintillators

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880181C (de) * 1951-11-17 1953-06-18 British Driver Harris Company Elektrodenelement fuer Vakuumroehren
DE976106C (de) * 1954-11-19 1963-02-28 Siemens Ag Mittelbar geheizte Kathode fuer elektrische Entladungsgefaesse
US3719856A (en) * 1971-05-19 1973-03-06 O Koppius Impregnants for dispenser cathodes
NL175771B (nl) * 1975-06-20 1984-07-16 Philips Nv Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
EP0143222B1 (de) * 1983-09-30 1987-11-11 BBC Aktiengesellschaft Brown, Boveri & Cie. Glühkathode mit hohem Emissionsvermögen für eine Elektronenröhre und Verfahren zu deren Herstellung
US4675570A (en) * 1984-04-02 1987-06-23 Varian Associates, Inc. Tungsten-iridium impregnated cathode
KR900007751B1 (ko) * 1985-05-25 1990-10-19 미쯔비시덴끼 가부시기가이샤 전자관 음극 및 그 제조방법
JPS6222347A (ja) * 1985-07-19 1987-01-30 Mitsubishi Electric Corp 電子管用陰極
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube

Also Published As

Publication number Publication date
DE3880035T2 (de) 1993-09-30
EP0300568B1 (en) 1993-04-07
JP2760512B2 (ja) 1998-06-04
JPS6441137A (en) 1989-02-13
CN1018219B (zh) 1992-09-09
DE3880035D1 (de) 1993-05-13
EP0300568A1 (en) 1989-01-25
US5146131A (en) 1992-09-08
KR890002955A (ko) 1989-04-12
KR970007526B1 (ko) 1997-05-10
CN1030845A (zh) 1989-02-01

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed