GB8705512D0 - Dispenser cathode - Google Patents

Dispenser cathode

Info

Publication number
GB8705512D0
GB8705512D0 GB878705512A GB8705512A GB8705512D0 GB 8705512 D0 GB8705512 D0 GB 8705512D0 GB 878705512 A GB878705512 A GB 878705512A GB 8705512 A GB8705512 A GB 8705512A GB 8705512 D0 GB8705512 D0 GB 8705512D0
Authority
GB
United Kingdom
Prior art keywords
dispenser cathode
dispenser
cathode
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Withdrawn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
GB878705512A
Other versions
GB2196786A (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.)
Ceradyne Inc
Original Assignee
Ceradyne Inc
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 Ceradyne Inc filed Critical Ceradyne Inc
Publication of GB8705512D0 publication Critical patent/GB8705512D0/en
Publication of GB2196786A publication Critical patent/GB2196786A/en
Withdrawn legal-status Critical Current

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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
GB08705512A 1986-10-27 1987-03-09 Cathode assembly Withdrawn GB2196786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92345186A 1986-10-27 1986-10-27

Publications (2)

Publication Number Publication Date
GB8705512D0 true GB8705512D0 (en) 1987-04-15
GB2196786A GB2196786A (en) 1988-05-05

Family

ID=25448701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08705512A Withdrawn GB2196786A (en) 1986-10-27 1987-03-09 Cathode assembly

Country Status (4)

Country Link
JP (1) JPS63116329A (en)
KR (1) KR880005647A (en)
GB (1) GB2196786A (en)
NL (1) NL8700653A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5028838A (en) * 1989-08-31 1991-07-02 Askew Dennis D Grid assemblies for use in cathode ray tubes
DE69204956T2 (en) * 1991-09-18 1996-05-02 Nippon Electric Co Impregnated cathode and process for its manufacture.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451331A (en) * 1965-12-13 1968-05-15 Heinz Steigerwald Karl Electron beam generating system
US3426235A (en) * 1966-12-20 1969-02-04 Rca Corp Pickup device
BE759174A (en) * 1969-11-21 1971-05-19 Philips Nv RESERVE CATHODE AND ITS REALIZATION PROCESS
NL7402421A (en) * 1974-02-22 1975-08-26 Philips Nv CATHOD BEAM TUBE FOR DISPLAYING COLORED IMAGES.
JPS5277661A (en) * 1975-12-24 1977-06-30 Jeol Ltd Electron gun
FR2433828A1 (en) * 1978-08-18 1980-03-14 Commissariat Energie Atomique CERAMIC MATERIAL FOR ELECTRON CANNON CATHODES
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
NL8002343A (en) * 1980-04-23 1981-11-16 Philips Nv ELECTRON GUN AND CATHODE JET CONTAINING SUCH ELECTRON GUN.
JPS61183838A (en) * 1985-02-08 1986-08-16 Hitachi Ltd Impregnated type cathode

Also Published As

Publication number Publication date
NL8700653A (en) 1988-05-16
KR880005647A (en) 1988-06-29
JPS63116329A (en) 1988-05-20
GB2196786A (en) 1988-05-05

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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)