NO975206L - Katode for elektronr÷r og fremgangsmÕte for fremstilling av denne - Google Patents

Katode for elektronr÷r og fremgangsmÕte for fremstilling av denne

Info

Publication number
NO975206L
NO975206L NO975206A NO975206A NO975206L NO 975206 L NO975206 L NO 975206L NO 975206 A NO975206 A NO 975206A NO 975206 A NO975206 A NO 975206A NO 975206 L NO975206 L NO 975206L
Authority
NO
Norway
Prior art keywords
making
electron tube
tube cathode
cathode
electron
Prior art date
Application number
NO975206A
Other languages
English (en)
Other versions
NO975206D0 (no
Inventor
Yoshiki Hayashida
Tetsuro Ozawa
Hiroshi Sakurai
Masaki Kawasaki
Original Assignee
Matsushita Electronics Corp
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
Priority claimed from JP30002596A external-priority patent/JPH10144202A/ja
Priority claimed from JP30002496A external-priority patent/JPH10144201A/ja
Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of NO975206D0 publication Critical patent/NO975206D0/no
Publication of NO975206L publication Critical patent/NO975206L/no

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
NO975206A 1996-11-12 1997-11-12 Katode for elektronr÷r og fremgangsmÕte for fremstilling av denne NO975206L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30002596A JPH10144202A (ja) 1996-11-12 1996-11-12 電子管陰極およびその製造方法
JP30002496A JPH10144201A (ja) 1996-11-12 1996-11-12 電子管陰極およびその製造方法

Publications (2)

Publication Number Publication Date
NO975206D0 NO975206D0 (no) 1997-11-12
NO975206L true NO975206L (no) 1998-05-13

Family

ID=26562183

Family Applications (1)

Application Number Title Priority Date Filing Date
NO975206A NO975206L (no) 1996-11-12 1997-11-12 Katode for elektronr÷r og fremgangsmÕte for fremstilling av denne

Country Status (8)

Country Link
US (1) US5925976A (no)
EP (1) EP0841676B1 (no)
KR (1) KR100319227B1 (no)
CN (1) CN1123031C (no)
CA (1) CA2220537C (no)
DE (1) DE69719452T2 (no)
MY (1) MY119054A (no)
NO (1) NO975206L (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990043956A (ko) * 1997-11-30 1999-06-25 김영남 브라운관용 전극재료
JP2001229814A (ja) * 2000-02-21 2001-08-24 Matsushita Electric Ind Co Ltd 酸化物陰極の製造方法、およびこの酸化物陰極を備えた陰極線管
FR2810446A1 (fr) * 2000-06-14 2001-12-21 Thomson Tubes & Displays Cathodes a oxyde amelioree et son procede de fabrication
US20020195919A1 (en) * 2001-06-22 2002-12-26 Choi Jong-Seo Cathode for electron tube and method of preparing the cathode
US6882093B2 (en) * 2001-08-01 2005-04-19 Matsushita Electric Industrial Co., Ltd. Long-life electron tube device, electron tube cathode, and manufacturing method for the electron tube device
DE10254697A1 (de) * 2002-11-23 2004-06-03 Philips Intellectual Property & Standards Gmbh Vakuumelektronenröhre mit Oxidkathode
CN100521037C (zh) * 2003-01-17 2009-07-29 浜松光子学株式会社 碱金属发生剂
CN101866795B (zh) * 2010-04-26 2012-01-25 南京三乐电子信息产业集团有限公司 一种镍网阴极的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB182817A (en) * 1921-07-11 1923-08-09 Drahtlose Telegraphie Gmbh Improvements in the cathodes of electric discharge tubes
US1870951A (en) * 1928-07-11 1932-08-09 Westinghouse Lamp Co Electron emission material
BE440192A (no) * 1940-02-21
GB663981A (en) * 1948-07-30 1951-01-02 Sylvania Electric Prod Method of preparing electron-emissive coating materials
FR1029729A (fr) * 1950-01-26 1953-06-05 Rca Corp Matière émettrice d'électrons
GB700313A (en) * 1951-01-25 1953-11-25 Crompton Parkinson Ltd Improvements in or relating to electrodes for electrical discharge apparatus
US2703790A (en) * 1952-08-28 1955-03-08 Raytheon Mfg Co Electron emissive materials
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
JPS6222347A (ja) * 1985-07-19 1987-01-30 Mitsubishi Electric Corp 電子管用陰極
JPS63257153A (ja) * 1987-04-14 1988-10-25 Mitsubishi Electric Corp 電子管用陰極
KR910009660B1 (ko) * 1988-02-23 1991-11-25 미쓰비시전기 주식회사 전자관용 산화물피복음극
JPH01315926A (ja) * 1988-06-15 1989-12-20 Mitsubishi Electric Corp 電子管用陰極
NL8803047A (nl) * 1988-12-13 1990-07-02 Philips Nv Oxydekathode.
NL9002291A (nl) * 1990-10-22 1992-05-18 Philips Nv Oxydekathode.

Also Published As

Publication number Publication date
DE69719452D1 (de) 2003-04-10
KR100319227B1 (ko) 2002-02-19
MY119054A (en) 2005-03-31
KR19980042289A (ko) 1998-08-17
EP0841676A1 (en) 1998-05-13
CA2220537C (en) 2005-10-18
EP0841676B1 (en) 2003-03-05
CN1123031C (zh) 2003-10-01
NO975206D0 (no) 1997-11-12
US5925976A (en) 1999-07-20
CA2220537A1 (en) 1998-05-12
DE69719452T2 (de) 2003-10-02
CN1189680A (zh) 1998-08-05

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