GB1375611A - - Google Patents

Info

Publication number
GB1375611A
GB1375611A GB1457972A GB1457972A GB1375611A GB 1375611 A GB1375611 A GB 1375611A GB 1457972 A GB1457972 A GB 1457972A GB 1457972 A GB1457972 A GB 1457972A GB 1375611 A GB1375611 A GB 1375611A
Authority
GB
United Kingdom
Prior art keywords
electro
salts
added
many examples
chelating agent
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
GB1457972A
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 GB1457972A priority Critical patent/GB1375611A/en
Publication of GB1375611A publication Critical patent/GB1375611A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/62—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of gold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

1375611 Electro-depositing gold-coppercadmium alloys LEA-RONAL Inc 28 March 1972 14579/72 Heading C7B Au-Cu-Cd alloy is electro-deposited from an aqueous alkaline bath containing a gold cyanide complex e.g. K Au (CN) 2 , a copper cyanide complex e.g. K Cu (CN) 2 , free cyanide e.g. KCN, a cadmium compound e.g. K Cd (CN) 2 or added as sulphate or nitrate, and a chelating agent for Cd. Many examples of chelating agent are specified including organo (e.g. amine) phosphonic acids and their salts, and amino (poly) carboxylic acids, e.g. nitrilo triacetic acid, EDTA and diethylenetriaminepentaacetic acid, and their salts. The bath may also include a polyoxyalkylene brightening agent, with or without a soluble Se (e.g. sodium selinite) or Te (e.g. oxide) compound. Many examples of brightening agents are specified. Potassium carbonate or phosphate buffer may be added. Specification 1375612 is referred to.
GB1457972A 1972-03-28 1972-03-28 Expired GB1375611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1457972A GB1375611A (en) 1972-03-28 1972-03-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1457972A GB1375611A (en) 1972-03-28 1972-03-28

Publications (1)

Publication Number Publication Date
GB1375611A true GB1375611A (en) 1974-11-27

Family

ID=10043770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1457972A Expired GB1375611A (en) 1972-03-28 1972-03-28

Country Status (1)

Country Link
GB (1) GB1375611A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6576114B1 (en) 1995-11-03 2003-06-10 Enthone Inc. Electroplating composition bath
EP1983077A1 (en) * 2007-04-19 2008-10-22 Enthone, Inc. Electrolyte and method for electrolytic deposition of gold-copper alloys

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6576114B1 (en) 1995-11-03 2003-06-10 Enthone Inc. Electroplating composition bath
EP1983077A1 (en) * 2007-04-19 2008-10-22 Enthone, Inc. Electrolyte and method for electrolytic deposition of gold-copper alloys
CN101289756B (en) * 2007-04-19 2012-06-20 恩索恩公司 Electrolyte composition and method for electrolytic deposition of gold-copper alloys
EP1983077B1 (en) 2007-04-19 2016-12-28 Enthone, Inc. Electrolyte and method for electrolytic deposition of gold-copper alloys
EP3170924A1 (en) * 2007-04-19 2017-05-24 Enthone, Inc. Electrolyte and method for electrolytic deposition of gold-copper alloys

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee