CA1038013A - Secondary-emissive electrode including a cermet - Google Patents

Secondary-emissive electrode including a cermet

Info

Publication number
CA1038013A
CA1038013A CA241,448A CA241448A CA1038013A CA 1038013 A CA1038013 A CA 1038013A CA 241448 A CA241448 A CA 241448A CA 1038013 A CA1038013 A CA 1038013A
Authority
CA
Canada
Prior art keywords
electrode
metal
cermet
substrate
nickel
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
CA241,448A
Other languages
English (en)
French (fr)
Inventor
Alan G. Knapp
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1038013A publication Critical patent/CA1038013A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/24—Dynodes having potential gradient along their surfaces
    • H01J43/243—Dynodes consisting of a piling-up of channel-type dynode plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physical Vapour Deposition (AREA)
  • Electron Tubes For Measurement (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
CA241,448A 1974-12-13 1975-12-10 Secondary-emissive electrode including a cermet Expired CA1038013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5400674A GB1523730A (en) 1974-12-13 1974-12-13 Secondaryemissive layers

Publications (1)

Publication Number Publication Date
CA1038013A true CA1038013A (en) 1978-09-05

Family

ID=10469661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,448A Expired CA1038013A (en) 1974-12-13 1975-12-10 Secondary-emissive electrode including a cermet

Country Status (5)

Country Link
JP (1) JPS5835337B2 (ja)
CA (1) CA1038013A (ja)
DE (1) DE2554030C2 (ja)
FR (1) FR2294542A1 (ja)
GB (1) GB1523730A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023333B (en) * 1978-06-14 1982-09-08 Philips Electronic Associated Electron multipliers
GB2023332B (en) * 1978-06-14 1982-10-27 Philips Electronic Associated Electron multipliers
GB2048561B (en) 1979-04-02 1983-02-23 Philips Electronic Associated Method of forming a secondary emissive coating on a dynode
EP0490154A3 (en) * 1990-12-07 1992-09-30 Siemens Aktiengesellschaft Method for determining the charge of a sample region

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672989A (en) * 1968-08-03 1972-06-27 Japan Broadcasting Corp Porous layer of a secondary electron multiplier and a method of manufacturing the same
JPS4833348A (ja) * 1971-08-31 1973-05-09

Also Published As

Publication number Publication date
DE2554030C2 (de) 1982-10-28
JPS5835337B2 (ja) 1983-08-02
FR2294542A1 (fr) 1976-07-09
GB1523730A (en) 1978-09-06
DE2554030A1 (de) 1976-06-16
FR2294542B1 (ja) 1980-06-13
JPS5177167A (ja) 1976-07-03

Similar Documents

Publication Publication Date Title
US4099079A (en) Secondary-emissive layers
EP0042149B1 (en) Radiation excited phosphor screen and method for manufacturing the same
US6045677A (en) Microporous microchannel plates and method of manufacturing same
US3607680A (en) Methof for producing a device for transmitting an electron beam
US2898499A (en) Transmission secondary emission dynode structure
CA1038013A (en) Secondary-emissive electrode including a cermet
US3739216A (en) Secondary electron multipliers with single layer cermet coatings
US4613399A (en) Method for manufacturing a display device
GB1503875A (en) Electron emissive electrode including porous antimony
US5031200A (en) Cathode for an X-ray tube and a tube including such a cathode
US3706885A (en) Photocathode-phosphor imaging system for x-ray camera tubes
CA1163150A (en) Method of forming a secondary emissive coating on a dynode
GB1309379A (en) Electric high-vacuum discharge tube
US3904502A (en) Method of fabricating a color display screen employing a plurality of layers of phosphors
US3764367A (en) Television picture tube having an electron scattering prevention film
JPH023262B2 (ja)
GB1417452A (en) Image tube employing high field electron emission suppression
US4366413A (en) Secondary electron multiplication target
CN1093489A (zh) 平板型x射线像增强器及其制造方法
JPS606068B2 (ja) 電子光学式画像増幅器
JPH0125181B2 (ja)
GB2045808A (en) Method of forming a secondary emissive coating on a dynode
US3232781A (en) Electron image intensifying devices
US3898498A (en) Channel multiplier having non-reflective amorphous aluminum layer obturating channel entrances on side facing photocathode
US3329853A (en) Image orthicon with cesium getter adjacent electron multiplier