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FR1321985A - Method for depositing thin emissive layers on cathode supports of electric discharge tubes - Google Patents

Method for depositing thin emissive layers on cathode supports of electric discharge tubes

Info

Publication number
FR1321985A
FR1321985A FR897555A FR897555A FR1321985A FR 1321985 A FR1321985 A FR 1321985A FR 897555 A FR897555 A FR 897555A FR 897555 A FR897555 A FR 897555A FR 1321985 A FR1321985 A FR 1321985A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
emissive layers
depositing thin
cathode supports
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
FR897555A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 DES73979A external-priority patent/DE1131813B/en
Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Priority to FR897555A priority Critical patent/FR1321985A/en
Application granted granted Critical
Publication of FR1321985A publication Critical patent/FR1321985A/en
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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR897555A 1961-05-16 1962-05-15 Method for depositing thin emissive layers on cathode supports of electric discharge tubes Expired FR1321985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR897555A FR1321985A (en) 1961-05-16 1962-05-15 Method for depositing thin emissive layers on cathode supports of electric discharge tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES73979A DE1131813B (en) 1961-05-16 1961-05-16 Process for applying thin emission-capable layers on cathode carriers of electrical discharge vessels
FR897555A FR1321985A (en) 1961-05-16 1962-05-15 Method for depositing thin emissive layers on cathode supports of electric discharge tubes

Publications (1)

Publication Number Publication Date
FR1321985A true FR1321985A (en) 1963-03-22

Family

ID=25996457

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897555A Expired FR1321985A (en) 1961-05-16 1962-05-15 Method for depositing thin emissive layers on cathode supports of electric discharge tubes

Country Status (1)

Country Link
FR (1) FR1321985A (en)

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