FR1336730A - Procédé de fabrication de cathodes multipointes à émission froide - Google Patents

Procédé de fabrication de cathodes multipointes à émission froide

Info

Publication number
FR1336730A
FR1336730A FR902437A FR902437A FR1336730A FR 1336730 A FR1336730 A FR 1336730A FR 902437 A FR902437 A FR 902437A FR 902437 A FR902437 A FR 902437A FR 1336730 A FR1336730 A FR 1336730A
Authority
FR
France
Prior art keywords
multipoint
cathodes
cold emission
manufacturing cold
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
FR902437A
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.)
CSF
Thales SA
Original Assignee
CSF
CSF Compagnie Generale de Telegraphie sans Fil 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
Priority to NL294698D priority Critical patent/NL294698A/xx
Application filed by CSF, CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF
Priority to FR902437A priority patent/FR1336730A/fr
Priority to US285404A priority patent/US3271280A/en
Priority to DEC30163A priority patent/DE1256032B/de
Priority to GB24435/63A priority patent/GB1023037A/en
Application granted granted Critical
Publication of FR1336730A publication Critical patent/FR1336730A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
    • 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
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Microwave Tubes (AREA)
FR902437A 1962-06-29 1962-06-29 Procédé de fabrication de cathodes multipointes à émission froide Expired FR1336730A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL294698D NL294698A (fr) 1962-06-29
FR902437A FR1336730A (fr) 1962-06-29 1962-06-29 Procédé de fabrication de cathodes multipointes à émission froide
US285404A US3271280A (en) 1962-06-29 1963-06-04 Method for manufacturing coldemission cathodes
DEC30163A DE1256032B (de) 1962-06-29 1963-06-11 Verfahren zur Herstellung kaltemittierender Kathoden auf elektrolytischem Wege und Vorrichtung zur Durchfuehrung des Verfahrens
GB24435/63A GB1023037A (en) 1962-06-29 1963-06-19 Method of manufacturing cold-emission cathodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR902437A FR1336730A (fr) 1962-06-29 1962-06-29 Procédé de fabrication de cathodes multipointes à émission froide

Publications (1)

Publication Number Publication Date
FR1336730A true FR1336730A (fr) 1963-09-06

Family

ID=8782151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902437A Expired FR1336730A (fr) 1962-06-29 1962-06-29 Procédé de fabrication de cathodes multipointes à émission froide

Country Status (5)

Country Link
US (1) US3271280A (fr)
DE (1) DE1256032B (fr)
FR (1) FR1336730A (fr)
GB (1) GB1023037A (fr)
NL (1) NL294698A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524803A (en) * 1968-05-13 1970-08-18 Us Army Method of electrolytically etching field filamentary material to make emitters
JPS4831456B1 (fr) * 1970-03-03 1973-09-29
NL7810808A (nl) * 1978-10-31 1980-05-02 Philips Nv Inrichting en werkwijze voor het vervaardigen van kathodes.
US6007694A (en) * 1998-04-07 1999-12-28 Phillips Plastics Corporation Electrochemical machining
US11390015B2 (en) 2020-06-24 2022-07-19 Tensar International Corporation Multi-axial integral geogrid and methods of making and using same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL73679C (fr) * 1950-10-28
US2654795A (en) * 1951-11-14 1953-10-06 Yardney International Corp Electrode for electric batteries and method of making same
US2850448A (en) * 1955-02-18 1958-09-02 United States Steel Corp Apparatus for electrolytically pointing wire
US3084788A (en) * 1961-07-14 1963-04-09 Frank H Ford Knitting needle holder

Also Published As

Publication number Publication date
GB1023037A (en) 1966-03-16
DE1256032B (de) 1967-12-07
US3271280A (en) 1966-09-06
NL294698A (fr)

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