GB1258918A - - Google Patents

Info

Publication number
GB1258918A
GB1258918A GB1258918DA GB1258918A GB 1258918 A GB1258918 A GB 1258918A GB 1258918D A GB1258918D A GB 1258918DA GB 1258918 A GB1258918 A GB 1258918A
Authority
GB
United Kingdom
Prior art keywords
type
substrate
concentration greater
cesium oxide
doped
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
Other languages
English (en)
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 filed Critical
Publication of GB1258918A publication Critical patent/GB1258918A/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
    • 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
    • H01J1/34—Photo-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3423—Semiconductors, e.g. GaAs, NEA emitters

Landscapes

  • Photovoltaic Devices (AREA)
GB1258918D 1968-12-18 1968-12-18 Expired GB1258918A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3925771 1968-12-18

Publications (1)

Publication Number Publication Date
GB1258918A true GB1258918A (enrdf_load_stackoverflow) 1971-12-30

Family

ID=10408555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258918D Expired GB1258918A (enrdf_load_stackoverflow) 1968-12-18 1968-12-18

Country Status (1)

Country Link
GB (1) GB1258918A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113161459A (zh) * 2021-02-25 2021-07-23 华灿光电（浙江）有限公司 图形化衬底、发光二极管外延片及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113161459A (zh) * 2021-02-25 2021-07-23 华灿光电（浙江）有限公司 图形化衬底、发光二极管外延片及其制备方法

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees