ES364973A1 - Un metodo para preparar un catodo con un sustrato metalico. - Google Patents

Un metodo para preparar un catodo con un sustrato metalico.

Info

Publication number
ES364973A1
ES364973A1 ES364973A ES364973A ES364973A1 ES 364973 A1 ES364973 A1 ES 364973A1 ES 364973 A ES364973 A ES 364973A ES 364973 A ES364973 A ES 364973A ES 364973 A1 ES364973 A1 ES 364973A1
Authority
ES
Spain
Prior art keywords
substrate
hydrogen
atmosphere
per cent
dew
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
ES364973A
Other languages
English (en)
Spanish (es)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of ES364973A1 publication Critical patent/ES364973A1/es
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)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Chemical Vapour Deposition (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
ES364973A 1968-03-22 1969-03-20 Un metodo para preparar un catodo con un sustrato metalico. Expired ES364973A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71520168A 1968-03-22 1968-03-22

Publications (1)

Publication Number Publication Date
ES364973A1 true ES364973A1 (es) 1971-02-16

Family

ID=24873049

Family Applications (1)

Application Number Title Priority Date Filing Date
ES364973A Expired ES364973A1 (es) 1968-03-22 1969-03-20 Un metodo para preparar un catodo con un sustrato metalico.

Country Status (7)

Country Link
US (1) US3536526A (nl)
BE (1) BE728184A (nl)
DE (1) DE1913717C3 (nl)
ES (1) ES364973A1 (nl)
FR (1) FR2004493A1 (nl)
GB (1) GB1225093A (nl)
NL (1) NL152398B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814016B2 (ja) * 1978-03-31 1983-03-17 株式会社日立製作所 直熱形酸化物陰極用基体金属板材
US4382980A (en) * 1979-03-07 1983-05-10 E. I. Du Pont De Nemours And Company Magnesium compositions and process for forming MGO film
US4459322A (en) * 1981-12-28 1984-07-10 North American Philips Consumer Electronics Corp. Method for producing cathode structure for cathode ray tubes utilizing urea-containing slurry
JPS58154130A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 電子管用陰極
US4836816A (en) * 1988-05-06 1989-06-06 Gte Products Corporation Method of treating tungsten cathodes
US5277637A (en) * 1989-04-03 1994-01-11 U.S. Philips Corporation Cathode for an electric discharge tube
US6660074B1 (en) 2000-11-16 2003-12-09 Egl Company, Inc. Electrodes for gas discharge lamps; emission coatings therefore; and methods of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215557A (en) * 1962-08-29 1965-11-02 Bell Telephone Labor Inc Zirconium-niobium-nickel cathodes

Also Published As

Publication number Publication date
BE728184A (nl) 1969-07-16
US3536526A (en) 1970-10-27
DE1913717B2 (de) 1975-06-19
GB1225093A (nl) 1971-03-17
NL152398B (nl) 1977-02-15
DE1913717C3 (de) 1980-04-30
FR2004493A1 (nl) 1969-11-28
DE1913717A1 (de) 1969-10-09
NL6904387A (nl) 1969-09-24

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