FR1566989A - - Google Patents

Info

Publication number
FR1566989A
FR1566989A FR1566989DA FR1566989A FR 1566989 A FR1566989 A FR 1566989A FR 1566989D A FR1566989D A FR 1566989DA FR 1566989 A FR1566989 A FR 1566989A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1566989A publication Critical patent/FR1566989A/fr
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
    • 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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/308—Semiconductor cathodes, e.g. cathodes with PN junction layers
    • 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
FR1566989D 1967-09-05 1968-06-05 Expired FR1566989A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66551167A 1967-09-05 1967-09-05
US66813067A 1967-09-15 1967-09-15

Publications (1)

Publication Number Publication Date
FR1566989A true FR1566989A (fr) 1969-05-09

Family

ID=27099223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1566989D Expired FR1566989A (fr) 1967-09-05 1968-06-05

Country Status (4)

Country Link
DE (1) DE1764406B2 (fr)
FR (1) FR1566989A (fr)
GB (1) GB1233725A (fr)
NL (1) NL6807805A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1950326A1 (fr) 2007-01-29 2008-07-30 Interuniversitair Microelektronica Centrum Procédé de dépose de la contamination métallique en masse depuis les substrats de semi-conducteurs III-V

Also Published As

Publication number Publication date
DE1764406A1 (de) 1972-03-23
GB1233725A (fr) 1971-05-26
DE1764406B2 (de) 1975-05-15
NL6807805A (fr) 1969-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse