FR1341863A - Improvements made to photo-emitting cathodes - Google Patents

Improvements made to photo-emitting cathodes

Info

Publication number
FR1341863A
FR1341863A FR919075A FR919075A FR1341863A FR 1341863 A FR1341863 A FR 1341863A FR 919075 A FR919075 A FR 919075A FR 919075 A FR919075 A FR 919075A FR 1341863 A FR1341863 A FR 1341863A
Authority
FR
France
Prior art keywords
photo
improvements made
emitting cathodes
cathodes
emitting
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
FR919075A
Other languages
French (fr)
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.)
FORSCHUNGSLABORATORIUM HEIMANN W PROF DR ING
FORSCHUNGSLABORATORIUM PROF
Original Assignee
FORSCHUNGSLABORATORIUM HEIMANN W PROF DR ING
FORSCHUNGSLABORATORIUM PROF
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
Priority claimed from DEB65211A external-priority patent/DE1170640B/en
Application filed by FORSCHUNGSLABORATORIUM HEIMANN W PROF DR ING, FORSCHUNGSLABORATORIUM PROF filed Critical FORSCHUNGSLABORATORIUM HEIMANN W PROF DR ING
Priority to FR919075A priority Critical patent/FR1341863A/en
Application granted granted Critical
Publication of FR1341863A publication Critical patent/FR1341863A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/34Photo-emissive cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00Electrodes common to discharge tubes
    • H01J2201/34Photoemissive electrodes
    • H01J2201/342Cathodes
    • H01J2201/3421Composition of the emitting surface
    • H01J2201/3423Semiconductors, e.g. GaAs, NEA emitters
FR919075A 1961-12-16 1962-12-18 Improvements made to photo-emitting cathodes Expired FR1341863A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR919075A FR1341863A (en) 1961-12-16 1962-12-18 Improvements made to photo-emitting cathodes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB65211A DE1170640B (en) 1961-12-16 1961-12-16 Process for the production of polyadducts
FR919075A FR1341863A (en) 1961-12-16 1962-12-18 Improvements made to photo-emitting cathodes

Publications (1)

Publication Number Publication Date
FR1341863A true FR1341863A (en) 1963-11-02

Family

ID=25966118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR919075A Expired FR1341863A (en) 1961-12-16 1962-12-18 Improvements made to photo-emitting cathodes

Country Status (1)

Country Link
FR (1) FR1341863A (en)

Similar Documents

Publication Publication Date Title
FR1306701A (en) Improvements to potentiometers
FR1324932A (en) Improvements to looms
FR1315140A (en) Improvements to agitators
FR1283660A (en) Improvements to armchairs
FR1293008A (en) Improvements to looms
FR1341863A (en) Improvements made to photo-emitting cathodes
FR1316517A (en) Improvements to mechanical agitators
FR1285334A (en) Improvements to shoes
FR1286742A (en) Improvements to refrigerators
FR1301288A (en) Improvements to tube-crushers
FR1313248A (en) Improvements to sub-ceilings
FR1316613A (en) Improvements made to mechanical pencils
FR1308339A (en) Improvements to floors
FR1312484A (en) Improvements to refrigerators
FR1286724A (en) Thermo-emissive cathode
FR1286067A (en) Improvements made to hydrogenators
FR1293048A (en) Improvements to defibrators
FR1321303A (en) Improvements to turbo-reactors
FR1311827A (en) Improvements to plodders
FR1294661A (en) Improvements to jealousies
FR1301441A (en) Improvements to shirts
FR1286764A (en) Improvements to bras
BE616510A (en) Improvements made to papains.
BE603061A (en) Improvements to supports.
FR1299722A (en) Improvements to perforators