GB806494A - Improved baths for and process of electroless nickel plating - Google Patents

Improved baths for and process of electroless nickel plating

Info

Publication number
GB806494A
GB806494A GB36506/56A GB3650656A GB806494A GB 806494 A GB806494 A GB 806494A GB 36506/56 A GB36506/56 A GB 36506/56A GB 3650656 A GB3650656 A GB 3650656A GB 806494 A GB806494 A GB 806494A
Authority
GB
United Kingdom
Prior art keywords
acid
sulphate
bath
sodium
anhydride
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
GB36506/56A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation 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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB806494A publication Critical patent/GB806494A/en
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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites

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)
  • Chemically Coating (AREA)

Abstract

A chemical plating bath of the nickel cation-hypophosphite anion type contains a molybdenum compound to inhibit decomposition of the bath. The preferred molybdenum compound is molybdic acid which can be introduced into the bath as such or in the form of molybdic anhydride or sodium or ammonium molybdate: other decomposition inhibitors which may be used in conjunction with molybdic acid are arsenious acid (or its anhydride), arsenic acid (or its anhydride), cacodylic acid, sodium arsenite, cadmium acetate, cadmium sulphate, hydroxylamine, hydroxylamine sulphate, hydrazine, hydrazine hydrate, hydrazine sulphate, phenol and sodium phenoxide. The bath may be formulated using nickel chloride, sulphate or acetate to provide the nickel ions; sodium hypophosphite or hypophosphorous acid to provide the hypophosphite ions; acetic acid or propionic acid to act as buffer; and glycollic acid as chelating agent.
GB36506/56A 1955-12-29 1956-11-29 Improved baths for and process of electroless nickel plating Expired GB806494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US806494XA 1955-12-29 1955-12-29

Publications (1)

Publication Number Publication Date
GB806494A true GB806494A (en) 1958-12-23

Family

ID=22158711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36506/56A Expired GB806494A (en) 1955-12-29 1956-11-29 Improved baths for and process of electroless nickel plating

Country Status (1)

Country Link
GB (1) GB806494A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110892553A (en) * 2017-07-12 2020-03-17 希勒及穆勒有限公司 Low interfacial contact resistance material, use thereof and method for manufacturing said material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110892553A (en) * 2017-07-12 2020-03-17 希勒及穆勒有限公司 Low interfacial contact resistance material, use thereof and method for manufacturing said material
CN110892553B (en) * 2017-07-12 2022-12-30 希勒及穆勒有限公司 Low interfacial contact resistance material, use thereof and method for manufacturing said material

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