BE762442A - Procede de noircissement - Google Patents

Procede de noircissement

Info

Publication number
BE762442A
BE762442A BE762442A BE762442A BE762442A BE 762442 A BE762442 A BE 762442A BE 762442 A BE762442 A BE 762442A BE 762442 A BE762442 A BE 762442A BE 762442 A BE762442 A BE 762442A
Authority
BE
Belgium
Prior art keywords
blackening process
blackening
Prior art date
Application number
BE762442A
Other languages
English (en)
Inventor
N S Dallas
R W Uzumecki
Original Assignee
Northern Metal Products Inc
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 Northern Metal Products Inc filed Critical Northern Metal Products Inc
Publication of BE762442A publication Critical patent/BE762442A/fr

Links

Classifications

    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/10—Oxidising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
BE762442A 1970-02-02 1971-02-02 Procede de noircissement BE762442A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US750570A 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
BE762442A true BE762442A (fr) 1971-07-16

Family

ID=21726587

Family Applications (1)

Application Number Title Priority Date Filing Date
BE762442A BE762442A (fr) 1970-02-02 1971-02-02 Procede de noircissement

Country Status (4)

Country Link
US (1) US3708351A (fr)
BE (1) BE762442A (fr)
DE (1) DE2104809A1 (fr)
GB (1) GB1309725A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958530A (en) * 1972-08-14 1976-05-25 Dart Industries Inc. Apparatus for coating an article
DE2440447C2 (de) * 1974-08-23 1980-09-04 Smit Nijmegen B.V., Nijmegen (Niederlande) Verfahren zur Erzeugung einer Eisen-Oxidschicht
US4425868A (en) 1981-12-28 1984-01-17 Thatcher Glass Corporation Coating hood
US4425383A (en) * 1982-07-06 1984-01-10 Xerox Corporation Process for oxidation of carrier particles
US4612061A (en) * 1984-03-15 1986-09-16 Kabushiki Kaisha Toshiba Method of manufacturing picture tube shadow mask
US4859251A (en) * 1987-03-07 1989-08-22 Kabushiki Kaisha Toshiba Furnace for formation of black oxide film on the surface of thin metal sheet and method for formation of black oxide film on the surface of shadow mask material by use of said furnace

Also Published As

Publication number Publication date
DE2104809A1 (de) 1971-08-19
GB1309725A (en) 1973-03-14
US3708351A (en) 1973-01-02

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