FR939694A - Perfectionnements aux méthodes de fabrication des électrodes à émission secondaire - Google Patents

Perfectionnements aux méthodes de fabrication des électrodes à émission secondaire

Info

Publication number
FR939694A
FR939694A FR939694DA FR939694A FR 939694 A FR939694 A FR 939694A FR 939694D A FR939694D A FR 939694DA FR 939694 A FR939694 A FR 939694A
Authority
FR
France
Prior art keywords
manufacturing methods
secondary emission
emission electrodes
electrodes
manufacturing
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.)
Cinema Television Ltd
Original Assignee
Cinema Television Ltd
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 Cinema Television Ltd filed Critical Cinema Television Ltd
Application granted granted Critical
Publication of FR939694A publication Critical patent/FR939694A/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
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12583—Component contains compound of adjacent metal
    • Y10T428/1259—Oxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR939694D 1939-03-15 1947-01-13 Perfectionnements aux méthodes de fabrication des électrodes à émission secondaire Expired FR939694A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8273/39A GB522774A (en) 1939-03-15 1939-03-15 Improvements in or relating to methods of manufacturing secondary emitting electrodes

Publications (1)

Publication Number Publication Date
FR939694A true FR939694A (fr) 1948-11-22

Family

ID=9849327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939694D Expired FR939694A (fr) 1939-03-15 1947-01-13 Perfectionnements aux méthodes de fabrication des électrodes à émission secondaire

Country Status (4)

Country Link
US (1) US2206372A (fr)
DE (1) DE836533C (fr)
FR (1) FR939694A (fr)
GB (1) GB522774A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431401A (en) * 1940-06-25 1947-11-25 Rca Corp Method of manufacturing photoelectric tubes
US2441810A (en) * 1943-01-01 1948-05-18 Rca Corp Phototube and method of manufacture
US2431402A (en) * 1943-03-31 1947-11-25 Rca Corp Photoube and method of manufacture
NL212695A (fr) * 1955-12-05
US3960421A (en) * 1972-03-27 1976-06-01 U.S. Philips Corporation Method of manufacturing a non-thermally emitting electrode for an electric discharge tube
CA1011192A (en) * 1972-12-11 1977-05-31 Rca Corporation Method of making a multialkali electron-emissive layer

Also Published As

Publication number Publication date
US2206372A (en) 1940-07-02
GB522774A (en) 1940-06-26
DE836533C (de) 1952-04-15

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