GB2084395B - Electron emission composition and process of producing it - Google Patents

Electron emission composition and process of producing it

Info

Publication number
GB2084395B
GB2084395B GB8129566A GB8129566A GB2084395B GB 2084395 B GB2084395 B GB 2084395B GB 8129566 A GB8129566 A GB 8129566A GB 8129566 A GB8129566 A GB 8129566A GB 2084395 B GB2084395 B GB 2084395B
Authority
GB
United Kingdom
Prior art keywords
producing
electron emission
emission composition
composition
electron
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
Application number
GB8129566A
Other versions
GB2084395A (en
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB2084395A publication Critical patent/GB2084395A/en
Application granted granted Critical
Publication of GB2084395B publication Critical patent/GB2084395B/en
Expired 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
GB8129566A 1980-09-30 1981-09-30 Electron emission composition and process of producing it Expired GB2084395B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13639580A JPS5761238A (en) 1980-09-30 1980-09-30 Electron emission substance and production

Publications (2)

Publication Number Publication Date
GB2084395A GB2084395A (en) 1982-04-07
GB2084395B true GB2084395B (en) 1984-11-07

Family

ID=15174149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8129566A Expired GB2084395B (en) 1980-09-30 1981-09-30 Electron emission composition and process of producing it

Country Status (4)

Country Link
JP (1) JPS5761238A (en)
DE (1) DE3119747A1 (en)
GB (1) GB2084395B (en)
NL (1) NL185739C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256844A (en) * 1988-08-23 1990-02-26 Asuwaarudo Kk Neon sign lamp and operating mechanism thereof
DE3904552A1 (en) * 1989-02-15 1990-08-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP FOR AC POWER OPERATION
JP3107743B2 (en) * 1995-07-31 2000-11-13 カシオ計算機株式会社 Electron-emitting electrode, method of manufacturing the same, and cold cathode fluorescent tube and plasma display using the same
WO2000036050A1 (en) 1998-12-17 2000-06-22 Isis Innovation Limited Rare earth-activated phosphors
EP2375438B1 (en) * 2008-12-08 2013-05-29 A.L.M.T. Corp. Tungsten electrode material and method of manufacturing said material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919581A (en) * 1974-07-12 1975-11-11 Gen Electric Thoria-yttria emission mixture for discharge lamps
JPS5591549A (en) * 1978-12-29 1980-07-11 Mitsubishi Electric Corp Metal vapor discharge lamp

Also Published As

Publication number Publication date
DE3119747A1 (en) 1982-04-29
GB2084395A (en) 1982-04-07
JPS5761238A (en) 1982-04-13
NL8102589A (en) 1982-04-16
NL185739B (en) 1990-02-01
NL185739C (en) 1990-07-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940930