ES2562005T3 - Cyanide-free electrolyte for galvanic deposition of gold alloys - Google Patents

Cyanide-free electrolyte for galvanic deposition of gold alloys Download PDF

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Publication number
ES2562005T3
ES2562005T3 ES10724310.7T ES10724310T ES2562005T3 ES 2562005 T3 ES2562005 T3 ES 2562005T3 ES 10724310 T ES10724310 T ES 10724310T ES 2562005 T3 ES2562005 T3 ES 2562005T3
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ES
Spain
Prior art keywords
cyanide
mercapto
galvanic deposition
gold alloys
free electrolyte
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.)
Active
Application number
ES10724310.7T
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Spanish (es)
Inventor
Hubert Schmidbaur
Jean-Jacques Duprat
Davide Rossi
Ester Falletta
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Coventya SpA
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Coventya SpA
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Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/48Electroplating: Baths therefor from solutions of gold
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • C25D3/62Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of gold

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

Electrolito libre de cianuro para la deposición galvánica de aleaciones de oro que comprende una solución acuosa neutra o alcalina de al menos un complejo aniónico de la fórmula general I [Au(L)n](n-1)- I con L seleccionado del grupo de los aniones de 1- y 2-tioglicerina, monotioglicol, mercapto-n-butanotriol, mercapto-ibutanotriol, mercaptopentanotetrol, cisteamina o combinaciones de los mismos, y n >= 2 a 5, y al menos un complejo aniónico de la fórmula general II [M(L)m]x- 10 II con M >= formador de aleaciones para oro seleccionado del grupo que comprende Cu, Ag, Fe, Ru, In, Ga, Ge, Sn, Pd, Sb, Bi, Co, Rh, Ir, Ni, Zn, Cd, Zr y Pb, L se selecciona del grupo de los aniones de 1- y 2-tioglicerina, monotioglicol, mercapto-n-butanotriol, mercapto-i butanotriol, mercaptopentanotetrol, cisteamina o combinaciones de los mismos, y m >= 2 a 6 y x >= 1 a 4, caracterizado por que el electrolito comprende al menos un abrillantador.Cyanide-free electrolyte for the galvanic deposition of gold alloys comprising a neutral or alkaline aqueous solution of at least one anionic complex of the general formula I [Au(L)n](n-1)- I with L selected from the group of the anions of 1- and 2-thioglycerin, monothioglycol, mercapto-n-butanetriol, mercapto-ibutanetriol, mercaptopentanotetrol, cysteamine or combinations thereof, and n >= 2 to 5, and at least one anionic complex of general formula II [M(L)m]x- 10 II with M >= alloy former for gold selected from the group consisting of Cu, Ag, Fe, Ru, In, Ga, Ge, Sn, Pd, Sb, Bi, Co, Rh , Ir, Ni, Zn, Cd, Zr and Pb, L is selected from the group of the anions of 1- and 2-thioglycerin, monothioglycol, mercapto-n-butanetriol, mercapto-i-butanetriol, mercaptopentanotetrol, cysteamine or combinations thereof , ym >= 2 to 6 and x >= 1 to 4, characterized in that the electrolyte comprises at least one brightener.

Description

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Claims (1)

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ES10724310.7T 2009-06-09 2010-06-09 Cyanide-free electrolyte for galvanic deposition of gold alloys Active ES2562005T3 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102009024396 2009-06-09
DE102009024396A DE102009024396A1 (en) 2009-06-09 2009-06-09 Cyanide-free electrolyte for electrodeposition of gold or its alloys
US18578909P 2009-06-10 2009-06-10
US185789P 2009-06-10
PCT/EP2010/003465 WO2010142437A1 (en) 2009-06-09 2010-06-09 Cyanide-free electrolyte for galvanic deposition of gold or alloys thereof

Publications (1)

Publication Number Publication Date
ES2562005T3 true ES2562005T3 (en) 2016-03-02

Family

ID=43069719

Family Applications (1)

Application Number Title Priority Date Filing Date
ES10724310.7T Active ES2562005T3 (en) 2009-06-09 2010-06-09 Cyanide-free electrolyte for galvanic deposition of gold alloys

Country Status (4)

Country Link
EP (1) EP2313541B1 (en)
DE (1) DE102009024396A1 (en)
ES (1) ES2562005T3 (en)
WO (1) WO2010142437A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978765A1 (en) * 2011-08-04 2013-02-08 Commissariat Energie Atomique NOVEL IONIC LIQUIDS USEFUL FOR ENTERING THE ELECTROLYTE COMPOSITION FOR ENERGY STORAGE DEVICES
CN103122471B (en) * 2013-03-01 2015-10-28 沈阳师范大学 A kind of electroplate liquid of non-cyanide plating indium
CN103741180B (en) * 2014-01-10 2015-11-25 哈尔滨工业大学 Non-cyanide bright electrogilding additive and application thereof
CN105499560B (en) * 2015-11-25 2017-11-28 国家纳米科学中心 A kind of method and its application for promoting silver in gold nanosphere surface regeneration length
CN106932511A (en) * 2017-02-14 2017-07-07 中国环境科学研究院 The detection method of different valence state antimony in a kind of environment water
ES2773771T3 (en) 2017-05-23 2020-07-14 Saxonia Edelmetalle Gmbh Preparation of noble metal salt, a method for the preparation thereof, and use for electroplating
CN108950617B (en) * 2018-07-11 2020-11-24 广州传福化学技术有限公司 Tellurium-containing zinc-nickel alloy electroplating solution and electroplating process thereof
EP3604626A1 (en) * 2018-08-03 2020-02-05 COVENTYA S.p.A. Electroplating bath for depositing a black alloy, method for the electrochemical deposition of a black alloy on a substrate, a black alloy and an article coated with such black alloy
DE102019202899B3 (en) * 2019-03-04 2019-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aqueous formulation for producing a layer of gold and silver
CN109881223B (en) * 2019-03-11 2020-02-14 深圳市联合蓝海科技开发有限公司 Cyanide-free gold plating solution and preparation method and application thereof
CN111411376A (en) * 2020-03-09 2020-07-14 中国工程物理研究院激光聚变研究中心 Electroplating solution and electroplating method for cyanide-free sulfite system
CN119392325B (en) * 2024-12-31 2025-04-01 深圳创智芯联科技股份有限公司 Cyanide-free gold plating solution and electroplating method for gold plating of micro blind holes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238112A (en) * 1962-07-03 1966-03-01 Du Pont Electroplating of metals using mercapto-metal complex salts
US4435253A (en) 1983-01-28 1984-03-06 Omi International Corporation Gold sulphite electroplating solutions and methods
US5302278A (en) 1993-02-19 1994-04-12 Learonal, Inc. Cyanide-free plating solutions for monovalent metals
DE19629658C2 (en) * 1996-07-23 1999-01-14 Degussa Cyanide-free galvanic bath for the deposition of gold and gold alloys
US6251249B1 (en) * 1996-09-20 2001-06-26 Atofina Chemicals, Inc. Precious metal deposition composition and process
DE19924895B4 (en) * 1999-06-01 2004-03-25 W. C. Heraeus Gmbh & Co. Kg Process for the preparation of a cyanide-free gold connection solution suitable for galvanic gold baths
US6911068B2 (en) * 2001-10-02 2005-06-28 Shipley Company, L.L.C. Plating bath and method for depositing a metal layer on a substrate
JP3985220B2 (en) * 2001-12-06 2007-10-03 石原薬品株式会社 Non-cyan gold-tin alloy plating bath
JP2004176171A (en) * 2002-09-30 2004-06-24 Shinko Electric Ind Co Ltd Non-cyanide electrolytic gold plating solution

Also Published As

Publication number Publication date
EP2313541A1 (en) 2011-04-27
EP2313541B1 (en) 2016-01-13
DE102009024396A1 (en) 2010-12-16
WO2010142437A1 (en) 2010-12-16

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