GB1548873A - Photocathodes - Google Patents

Photocathodes

Info

Publication number
GB1548873A
GB1548873A GB2607275A GB2607275A GB1548873A GB 1548873 A GB1548873 A GB 1548873A GB 2607275 A GB2607275 A GB 2607275A GB 2607275 A GB2607275 A GB 2607275A GB 1548873 A GB1548873 A GB 1548873A
Authority
GB
United Kingdom
Prior art keywords
photocathodes
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
GB2607275A
Other languages
English (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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Priority to GB2607275A priority Critical patent/GB1548873A/en
Priority to DE19752548221 priority patent/DE2548221C3/de
Publication of GB1548873A publication Critical patent/GB1548873A/en
Expired 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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended 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
    • H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons
GB2607275A 1975-06-19 1975-06-19 Photocathodes Expired GB1548873A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2607275A GB1548873A (en) 1975-06-19 1975-06-19 Photocathodes
DE19752548221 DE2548221C3 (de) 1975-06-19 1975-10-28 Photokatode und Verfahren zu ihrer Herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2607275A GB1548873A (en) 1975-06-19 1975-06-19 Photocathodes

Publications (1)

Publication Number Publication Date
GB1548873A true GB1548873A (en) 1979-07-18

Family

ID=10237920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2607275A Expired GB1548873A (en) 1975-06-19 1975-06-19 Photocathodes

Country Status (2)

Country Link
DE (1) DE2548221C3 (de)
GB (1) GB1548873A (de)

Also Published As

Publication number Publication date
DE2548221B2 (de) 1979-04-26
DE2548221C3 (de) 1980-01-17
DE2548221A1 (de) 1976-12-23

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Legal Events

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