FR862488A - électrodes à émission électronique - Google Patents

électrodes à émission électronique

Info

Publication number
FR862488A
FR862488A FR862488DA FR862488A FR 862488 A FR862488 A FR 862488A FR 862488D A FR862488D A FR 862488DA FR 862488 A FR862488 A FR 862488A
Authority
FR
France
Prior art keywords
emitting electrodes
electronically
electronically emitting
electrodes
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
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR862488A publication Critical patent/FR862488A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission 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
    • H01J1/32—Secondary-electron-emitting electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
FR862488D 1939-08-29 1939-08-29 électrodes à émission électronique Expired FR862488A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR862488T 1939-08-29

Publications (1)

Publication Number Publication Date
FR862488A true FR862488A (fr) 1941-03-07

Family

ID=9342860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862488D Expired FR862488A (fr) 1939-08-29 1939-08-29 électrodes à émission électronique

Country Status (2)

Country Link
US (1) US2531382A (fr)
FR (1) FR862488A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586771A (en) * 1946-04-06 1952-02-26 Int Standard Electric Corp Process for making secondary emission electrodes
US2620287A (en) * 1949-07-01 1952-12-02 Bramley Jenny Secondary-electron-emitting surface

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039901A (en) * 1959-07-09 1962-06-19 Dow Chemical Co Anneal for magnesium alloys
US3247026A (en) * 1962-02-20 1966-04-19 Continental Can Co Process of producing an oxide coating on magnesium-aluminum alloys
US3220889A (en) * 1962-08-02 1965-11-30 Philco Corp Electrical circuit components

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1432867A (en) * 1919-11-15 1922-10-24 Western Electric Co Electron-discharge device and method of making the same
US1760526A (en) * 1929-02-16 1930-05-27 Westinghouse Lamp Co Electrode
FR845087A (fr) * 1938-04-22 1939-08-10 Radio Electr Soc Fr Cathodes à forte émission secondaire d'électrons
GB543201A (en) * 1940-08-16 1942-02-13 Internat Television Corp Ltd A new or improved method of producing high secondary electron emission from electrical conductors
GB559591A (en) * 1942-07-17 1944-02-25 Int Standard Electric Corp Improvements relating to secondary electron emissive electrodes
US2393803A (en) * 1945-01-27 1946-01-29 Rca Corp Method of making long life secondary electron emitters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586771A (en) * 1946-04-06 1952-02-26 Int Standard Electric Corp Process for making secondary emission electrodes
US2620287A (en) * 1949-07-01 1952-12-02 Bramley Jenny Secondary-electron-emitting surface

Also Published As

Publication number Publication date
US2531382A (en) 1950-11-28

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