[go: up one dir, main page]

FR1335750A - Perfectionnements aux procédé de fabrication des tubes en tungstène - Google Patents

Perfectionnements aux procédé de fabrication des tubes en tungstène

Info

Publication number
FR1335750A
FR1335750A FR911125A FR911125A FR1335750A FR 1335750 A FR1335750 A FR 1335750A FR 911125 A FR911125 A FR 911125A FR 911125 A FR911125 A FR 911125A FR 1335750 A FR1335750 A FR 1335750A
Authority
FR
France
Prior art keywords
manufacturing process
tungsten tubes
tungsten
tubes
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
FR911125A
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.)
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
Priority to FR911125A priority Critical patent/FR1335750A/fr
Application granted granted Critical
Publication of FR1335750A publication Critical patent/FR1335750A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/01—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes on temporary substrates, e.g. substrates subsequently removed by etching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/04—Coating on selected surface areas, e.g. using masks
    • C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
FR911125A 1962-10-03 1962-10-03 Perfectionnements aux procédé de fabrication des tubes en tungstène Expired FR1335750A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR911125A FR1335750A (fr) 1962-10-03 1962-10-03 Perfectionnements aux procédé de fabrication des tubes en tungstène

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR911125A FR1335750A (fr) 1962-10-03 1962-10-03 Perfectionnements aux procédé de fabrication des tubes en tungstène

Publications (1)

Publication Number Publication Date
FR1335750A true FR1335750A (fr) 1963-08-23

Family

ID=8787951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR911125A Expired FR1335750A (fr) 1962-10-03 1962-10-03 Perfectionnements aux procédé de fabrication des tubes en tungstène

Country Status (1)

Country Link
FR (1) FR1335750A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431548A1 (fr) * 1978-07-17 1980-02-15 Ch Gi Installation pour la cementation au gaz de surfaces cylindriques interieures
FR2522019A1 (fr) * 1982-02-23 1983-08-26 Us Energy Procede de faconnage de feuilles metalliques minces non supportees pouvant servir d'elements de dispositifs electriques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431548A1 (fr) * 1978-07-17 1980-02-15 Ch Gi Installation pour la cementation au gaz de surfaces cylindriques interieures
FR2522019A1 (fr) * 1982-02-23 1983-08-26 Us Energy Procede de faconnage de feuilles metalliques minces non supportees pouvant servir d'elements de dispositifs electriques

Similar Documents

Publication Publication Date Title
FR1452607A (fr) Procédé de fabrication d'anhydrides indolyl-aliphatiques
FR1377358A (fr) Tube fileté et son procédé de fabrication
FR1306951A (fr) Procédé de fabrication de diamants
FR1512313A (fr) Procédé de fabrication de fluorostéroïdes
FR1335750A (fr) Perfectionnements aux procédé de fabrication des tubes en tungstène
FR1338450A (fr) Procédé de fabrication de cyanure de sodium
FR1338413A (fr) Procédé de fabrication de cyanure de sodium
FR1363094A (fr) Procédé de fabrication du 1, 1, 1, 3-tétrachloropropane
FR1338542A (fr) Procédé de fabrication de diméthylhydrazine dissymétrique
FR1362730A (fr) Matelas, et procédé pour sa fabrication
FR1377007A (fr) Procédé de fabrication de 1, 8-dihydroxy-anthraquinonyl-5-thioéthers
FR1331691A (fr) Procédé de fabrication de métaux poreux
FR1329761A (fr) Procédé de fabrication du chlore
FR1332557A (fr) Procédé de fabrication d'alpha-amino-benzylpénicillines
FR1364577A (fr) Procédé de fabrication des méthylamines
FR1358120A (fr) Procédé de fabrication de fluorochlorobenzènes
FR1357894A (fr) Procédé de fabrication d'oxathiazolinones
FR1320831A (fr) Procédé de fabrication du fer-blanc
FR1320468A (fr) Procédé de fabrication de dihydro-glucosides
FR1349346A (fr) Perfectionnement aux tubes électroniques et procédé pour la fabrication de ces tubes
FR1369601A (fr) Procédé perfectionné de fabrication de semi-conducteurs
FR1338899A (fr) Procédé de fabrication du para-aminophénol
FR1316609A (fr) Procédé de fabrication de coudes
FR1320311A (fr) Procédé de fabrication de cidre mousseux
FR1361255A (fr) Procédé de fabrication de fluoro-isoprènes