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FR1066112A - Mixtures for emissive coating of cathodes - Google Patents

Mixtures for emissive coating of cathodes

Info

Publication number
FR1066112A
FR1066112A FR1066112DA FR1066112A FR 1066112 A FR1066112 A FR 1066112A FR 1066112D A FR1066112D A FR 1066112DA FR 1066112 A FR1066112 A FR 1066112A
Authority
FR
France
Prior art keywords
cathodes
mixtures
emissive coating
emissive
coating
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1066112A publication Critical patent/FR1066112A/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)
  • Solid Thermionic Cathode (AREA)
  • Dental Preparations (AREA)
FR1066112D 1951-05-18 1952-05-09 Mixtures for emissive coating of cathodes Expired FR1066112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US227115A US2673387A (en) 1951-05-18 1951-05-18 Electron emission coating mixtures

Publications (1)

Publication Number Publication Date
FR1066112A true FR1066112A (en) 1954-06-02

Family

ID=22851796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1066112D Expired FR1066112A (en) 1951-05-18 1952-05-09 Mixtures for emissive coating of cathodes

Country Status (3)

Country Link
US (1) US2673387A (en)
FR (1) FR1066112A (en)
GB (1) GB717362A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995461A (en) * 1956-04-02 1961-08-08 Libbey Owens Ford Glass Co Protective coatings
US2963450A (en) * 1958-03-17 1960-12-06 Interlectric Corp Filament coating composition
NL278466A (en) * 1961-05-16
NL278653A (en) * 1961-06-01
US4251569A (en) * 1975-10-22 1981-02-17 Gte Products Corporation Method of coating arc discharge lamp electrode
US6713950B2 (en) * 2001-08-22 2004-03-30 General Electric Company Low volatility slurry for emission mix powder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791301A (en) * 1926-05-19 1931-02-03 Carbide & Carbon Chem Corp Solution of cellulose derivatives
NL28930C (en) * 1928-07-20
US2083372A (en) * 1934-08-29 1937-06-08 Walter S Guthmann Sympathetic ink
US2223977A (en) * 1939-07-29 1940-12-03 Rca Corp Introducing active metals into envelopes

Also Published As

Publication number Publication date
US2673387A (en) 1954-03-30
GB717362A (en) 1954-10-27

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