FR1246716A - Procédé de nettoyage et de phosphatation des alliages légers - Google Patents

Procédé de nettoyage et de phosphatation des alliages légers

Info

Publication number
FR1246716A
FR1246716A FR744514A FR744514A FR1246716A FR 1246716 A FR1246716 A FR 1246716A FR 744514 A FR744514 A FR 744514A FR 744514 A FR744514 A FR 744514A FR 1246716 A FR1246716 A FR 1246716A
Authority
FR
France
Prior art keywords
light alloy
phosphating process
alloy cleaning
cleaning
phosphating
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
FR744514A
Other languages
English (en)
Inventor
Michel-Louis-Julien Bernard
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 filed Critical
Priority to FR744514A priority Critical patent/FR1246716A/fr
Application granted granted Critical
Publication of FR1246716A publication Critical patent/FR1246716A/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
    • C23C22/06—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 aqueous acidic solutions with pH less than 6
    • C23C22/07—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 aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/10—Orthophosphates containing oxidants

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)
FR744514A 1957-07-30 1957-07-30 Procédé de nettoyage et de phosphatation des alliages légers Expired FR1246716A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR744514A FR1246716A (fr) 1957-07-30 1957-07-30 Procédé de nettoyage et de phosphatation des alliages légers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR744514A FR1246716A (fr) 1957-07-30 1957-07-30 Procédé de nettoyage et de phosphatation des alliages légers

Publications (1)

Publication Number Publication Date
FR1246716A true FR1246716A (fr) 1960-11-25

Family

ID=8704657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR744514A Expired FR1246716A (fr) 1957-07-30 1957-07-30 Procédé de nettoyage et de phosphatation des alliages légers

Country Status (1)

Country Link
FR (1) FR1246716A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1101837A1 (fr) * 1999-11-22 2001-05-23 STMicroelectronics S.r.l. Couche contre la corrosion par l'humidité pour des couches métallisées en alliage d'Al, en particulier pour des dispositifs éléctroniques et procédé de fabrication

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1101837A1 (fr) * 1999-11-22 2001-05-23 STMicroelectronics S.r.l. Couche contre la corrosion par l'humidité pour des couches métallisées en alliage d'Al, en particulier pour des dispositifs éléctroniques et procédé de fabrication
US6525404B1 (en) 1999-11-22 2003-02-25 Stmicroelectronics S.R.L. Moisture corrosion inhibitor layer for Al-alloy metallization layers, particularly for electronic devices and corresponding manufacturing method
US6762123B2 (en) 1999-11-22 2004-07-13 Stmicroelectronics S.R.L. Moisture corrosion inhibitor layer for Al-alloy metallization layers, particularly for electronic devices and corresponding manufacturing method

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