CH522740A - Process for the electrodeposition of gold-copper-cadmium alloy coatings - Google Patents

Process for the electrodeposition of gold-copper-cadmium alloy coatings

Info

Publication number
CH522740A
CH522740A CH588369A CH588369A CH522740A CH 522740 A CH522740 A CH 522740A CH 588369 A CH588369 A CH 588369A CH 588369 A CH588369 A CH 588369A CH 522740 A CH522740 A CH 522740A
Authority
CH
Switzerland
Prior art keywords
electrodeposition
gold
copper
cadmium alloy
alloy coatings
Prior art date
Application number
CH588369A
Other languages
German (de)
Inventor
Heilmann Gerhard
Original Assignee
Degussa
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
Priority claimed from DE19681771712 external-priority patent/DE1771712C3/en
Application filed by Degussa filed Critical Degussa
Publication of CH522740A publication Critical patent/CH522740A/en

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
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • 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
    • C25D3/48—Electroplating: Baths therefor from solutions of gold
    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance

Landscapes

  • 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)
CH588369A 1968-06-28 1969-04-18 Process for the electrodeposition of gold-copper-cadmium alloy coatings CH522740A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE283841X 1968-06-28
DE19681771712 DE1771712C3 (en) 1968-06-28 Process for the galvanic deposition of gold-copper-cadmium alloy coatings

Publications (1)

Publication Number Publication Date
CH522740A true CH522740A (en) 1972-06-30

Family

ID=25755604

Family Applications (1)

Application Number Title Priority Date Filing Date
CH588369A CH522740A (en) 1968-06-28 1969-04-18 Process for the electrodeposition of gold-copper-cadmium alloy coatings

Country Status (7)

Country Link
US (1) US3586611A (en)
AT (1) AT283841B (en)
CH (1) CH522740A (en)
FR (1) FR2011755A1 (en)
GB (1) GB1279141A (en)
NL (1) NL6906666A (en)
SE (1) SE345697B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687557A (en) * 1985-03-01 1987-08-18 Heinz Emmenegger Gold alloys and galvanic bath for the electrolytic deposit thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529843A (en) * 1971-07-09 1972-10-31 Oxy Metal Finishing Europ S A Bath for the electrolytic deposition of gold alloys and its use in electroplating
US4179344A (en) * 1973-07-02 1979-12-18 Lea-Ronal, Inc. Gold alloy plating compositions and method
US4547436A (en) * 1982-11-19 1985-10-15 E. I. Du Pont De Nemours And Company Conductive element metallized with a thick film gold composition
DE3472115D1 (en) * 1983-02-07 1988-07-21 Heinz Emmenegger Galvanic bath for the electroplating of a gold-copper-cadmium alloy, process for using it and article resulting from the process
DE3929569C1 (en) * 1989-09-06 1991-04-18 Degussa Ag, 6000 Frankfurt, De
DE69622431T2 (en) 1995-11-03 2003-01-30 Enthone-Omi, Inc. ELECTROPLATING METHODS, COMPOSITIONS AND COATINGS
GB2369239A (en) * 2000-11-17 2002-05-22 Univ Hong Kong Polytechnic Nickel oxyhydroxide and cadmium electrodes for storage cells

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687557A (en) * 1985-03-01 1987-08-18 Heinz Emmenegger Gold alloys and galvanic bath for the electrolytic deposit thereof

Also Published As

Publication number Publication date
US3586611A (en) 1971-06-22
AT283841B (en) 1970-08-25
GB1279141A (en) 1972-06-28
SE345697B (en) 1972-06-05
FR2011755A1 (en) 1970-03-06
NL6906666A (en) 1969-12-30

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Legal Events

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