BE787332A - Procede redox continu pour dissoudre le cuivre. - Google Patents

Procede redox continu pour dissoudre le cuivre.

Info

Publication number
BE787332A
BE787332A BE787332A BE787332A BE787332A BE 787332 A BE787332 A BE 787332A BE 787332 A BE787332 A BE 787332A BE 787332 A BE787332 A BE 787332A BE 787332 A BE787332 A BE 787332A
Authority
BE
Belgium
Prior art keywords
redox process
dissolving copper
continuous redox
continuous
dissolving
Prior art date
Application number
BE787332A
Other languages
English (en)
French (fr)
Inventor
E B King
Original Assignee
Southern California Chem 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 Southern California Chem Co filed Critical Southern California Chem Co
Publication of BE787332A publication Critical patent/BE787332A/xx

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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/32—Alkaline compositions
    • C23F1/34—Alkaline compositions for etching copper or alloys thereof
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/46—Regeneration of etching compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Manufacturing Of Printed Wiring (AREA)
BE787332A 1972-03-07 1972-08-08 Procede redox continu pour dissoudre le cuivre. BE787332A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23243472A 1972-03-07 1972-03-07

Publications (1)

Publication Number Publication Date
BE787332A true BE787332A (fr) 1972-12-01

Family

ID=22873091

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787332A BE787332A (fr) 1972-03-07 1972-08-08 Procede redox continu pour dissoudre le cuivre.

Country Status (5)

Country Link
BE (1) BE787332A (de)
DE (1) DE2237804A1 (de)
FR (1) FR2174816A1 (de)
IT (1) IT964977B (de)
NL (1) NL175439C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999564A (en) * 1976-01-09 1976-12-28 Pesek Engineering & Mfg. Co. Continuous etching and etched material recovery system
DE102012204070A1 (de) * 2012-03-15 2013-09-19 Krones Ag Pumpe mit Gleitringdichtung in Kombination mit einer Vorrichtung zum Spülen einer Gleitringdichtung einer Pumpe mit Spülwasser und entsprechendes Verfahren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2049245A5 (en) * 1969-06-04 1971-03-26 Macdermid Inc Metal-free etching soln. for copper coatings

Also Published As

Publication number Publication date
DE2237804A1 (de) 1973-09-13
NL175439B (nl) 1984-06-01
NL7211192A (de) 1973-09-11
IT964977B (it) 1974-01-31
FR2174816B1 (de) 1974-10-25
FR2174816A1 (en) 1973-10-19
NL175439C (nl) 1984-11-01

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Legal Events

Date Code Title Description
CH Change of patent owner

Owner name: *KING EDWIN B.

Effective date: 19840412

RE Patent lapsed

Owner name: KING EDWIN B.

Effective date: 19870831