GB9024424D0 - Dispenser cathodes - Google Patents

Dispenser cathodes

Info

Publication number
GB9024424D0
GB9024424D0 GB909024424A GB9024424A GB9024424D0 GB 9024424 D0 GB9024424 D0 GB 9024424D0 GB 909024424 A GB909024424 A GB 909024424A GB 9024424 A GB9024424 A GB 9024424A GB 9024424 D0 GB9024424 D0 GB 9024424D0
Authority
GB
United Kingdom
Prior art keywords
dispenser cathodes
cathodes
dispenser
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.)
Withdrawn
Application number
GB909024424A
Other versions
GB2238653A (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.)
Samsung SDI Co Ltd
Original Assignee
Samsung Electron Devices Co Ltd
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 Samsung Electron Devices Co Ltd filed Critical Samsung Electron Devices Co Ltd
Publication of GB9024424D0 publication Critical patent/GB9024424D0/en
Publication of GB2238653A publication Critical patent/GB2238653A/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
GB9024424A 1989-11-09 1990-11-09 Dispenser cathodes Withdrawn GB2238653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890016223A KR920001333B1 (en) 1989-11-09 1989-11-09 Dispenser cathode

Publications (2)

Publication Number Publication Date
GB9024424D0 true GB9024424D0 (en) 1991-01-02
GB2238653A GB2238653A (en) 1991-06-05

Family

ID=19291466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9024424A Withdrawn GB2238653A (en) 1989-11-09 1990-11-09 Dispenser cathodes

Country Status (4)

Country Link
JP (1) JPH03173035A (en)
KR (1) KR920001333B1 (en)
DE (1) DE4105295A1 (en)
GB (1) GB2238653A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420607A1 (en) * 1994-06-13 1995-12-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric incandescent lamp and filament for incandescent lamps
CN104681381A (en) * 2015-02-04 2015-06-03 中国科学技术大学 Oxide cathode plasma source with large area and high ionization rate
CN104733267A (en) * 2015-02-04 2015-06-24 中国科学技术大学 High ionization rate oxide cathode plasma source and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154131A (en) * 1982-03-10 1983-09-13 Hitachi Ltd Impregnation type cathode
NL8403031A (en) * 1984-10-05 1986-05-01 Philips Nv METHOD FOR MANUFACTURING A SCANDAL FOLLOW-UP CATHOD AND SCANDAL FOLLOW-UP CATHOD Manufactured By This Method
NL8403032A (en) * 1984-10-05 1986-05-01 Philips Nv METHOD FOR MANUFACTURING A SCANDAL FOLLOW-UP CATHOD, FOLLOW-UP CATHOD MADE WITH THIS METHOD
KR900009071B1 (en) * 1986-05-28 1990-12-20 가부시기가이샤 히다찌세이사구쇼 Impregnated cathode
JPS63224127A (en) * 1987-03-11 1988-09-19 Hitachi Ltd Impregnated cathode

Also Published As

Publication number Publication date
KR910010576A (en) 1991-06-29
GB2238653A (en) 1991-06-05
DE4105295A1 (en) 1992-09-03
JPH03173035A (en) 1991-07-26
KR920001333B1 (en) 1992-02-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)