FR914754A - Noircissement des surfaces de cuivre - Google Patents

Noircissement des surfaces de cuivre

Info

Publication number
FR914754A
FR914754A FR914754DA FR914754A FR 914754 A FR914754 A FR 914754A FR 914754D A FR914754D A FR 914754DA FR 914754 A FR914754 A FR 914754A
Authority
FR
France
Prior art keywords
blackening
copper surfaces
copper
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
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.)
ENTHONE Co
Original Assignee
ENTHONE Co
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 ENTHONE Co filed Critical ENTHONE Co
Application granted granted Critical
Publication of FR914754A publication Critical patent/FR914754A/fr
Expired legal-status Critical Current

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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/63—Treatment of copper or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR914754D 1944-08-19 1945-09-24 Noircissement des surfaces de cuivre Expired FR914754A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US914754XA 1944-08-19 1944-08-19

Publications (1)

Publication Number Publication Date
FR914754A true FR914754A (fr) 1946-10-17

Family

ID=22227983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914754D Expired FR914754A (fr) 1944-08-19 1945-09-24 Noircissement des surfaces de cuivre

Country Status (1)

Country Link
FR (1) FR914754A (fr)

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