GB1233721A - - Google Patents

Info

Publication number
GB1233721A
GB1233721A GB1233721DA GB1233721A GB 1233721 A GB1233721 A GB 1233721A GB 1233721D A GB1233721D A GB 1233721DA GB 1233721 A GB1233721 A GB 1233721A
Authority
GB
United Kingdom
Prior art keywords
semi
gaas
electrons
conductor
electropositive
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 GB1233721A publication Critical patent/GB1233721A/en
Expired 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
    • H01J1/32—Secondary-electron-emitting electrodes

Landscapes

  • Cold Cathode And The Manufacture (AREA)
GB1233721D 1968-05-10 1968-05-10 Expired GB1233721A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2226568 1968-05-10

Publications (1)

Publication Number Publication Date
GB1233721A true GB1233721A (fr) 1971-05-26

Family

ID=10176575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233721D Expired GB1233721A (fr) 1968-05-10 1968-05-10

Country Status (1)

Country Link
GB (1) GB1233721A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170648A (en) * 1985-02-01 1986-08-06 Raytheon Co Secondary emission cathode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170648A (en) * 1985-02-01 1986-08-06 Raytheon Co Secondary emission cathode
US4677342A (en) * 1985-02-01 1987-06-30 Raytheon Company Semiconductor secondary emission cathode and tube
GB2170648B (en) * 1985-02-01 1989-07-26 Raytheon Co Crossed-field tube

Similar Documents

Publication Publication Date Title
US3478213A (en) Photomultiplier or image amplifier with secondary emission transmission type dynodes made of semiconductive material with low work function material disposed thereon
Haneman Photoelectric emission and work functions of InSb, GaAs, Bi2Te3 and germanium
US4616248A (en) UV photocathode using negative electron affinity effect in Alx Ga1 N
US3672992A (en) Method of forming group iii-v compound photoemitters having a high quantum efficiency and long wavelength response
GB1417032A (en) Cold cathode field electron emitting devices
GB1536412A (en) Photocathodes
GB830086A (en) Improvements in or relating to electron sources and to apparatus utilizing them
US3699404A (en) Negative effective electron affinity emitters with drift fields using deep acceptor doping
GB1086228A (en) Improvements in or relating to electric discharge devices comprising a photocathode
Garbe CsF, Cs as a low work function layer on the GaAs photocathode
US3986065A (en) Insulating nitride compounds as electron emitters
US3895429A (en) Method of making a semiconductor device
GB1233721A (fr)
US4019082A (en) Electron emitting device and method of making the same
US2159774A (en) Secondary electron emitter and method of making it
GB1321005A (en) Method for increasing the electron emissivity of a semiconductor electron emitter
US3900865A (en) Group III-V compound photoemitters having a high quantum efficiency and long wavelength response
US3858955A (en) Method of making a iii-v compound electron-emissive cathode
GB1275972A (en) Negative effective electron affinity emitters with drift fields using deep acceptor doping
GB1069536A (en) Improvements in solid-state electron source
US1835118A (en) Alkali metal tube
GB1207091A (en) Method of manufacturing and electronic discharge tube including a photocathode
US3457470A (en) Radiation detectors having a semiconductor body
GB1233725A (fr)
US2586771A (en) Process for making secondary emission electrodes

Legal Events

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