GB1389376A - Bath composition for the electrodeposition of gold alloy platings - Google Patents

Bath composition for the electrodeposition of gold alloy platings

Info

Publication number
GB1389376A
GB1389376A GB1533373A GB1533373A GB1389376A GB 1389376 A GB1389376 A GB 1389376A GB 1533373 A GB1533373 A GB 1533373A GB 1533373 A GB1533373 A GB 1533373A GB 1389376 A GB1389376 A GB 1389376A
Authority
GB
United Kingdom
Prior art keywords
gold alloy
electrodeposition
bath composition
electro
bath
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
GB1533373A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1389376A publication Critical patent/GB1389376A/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

Abstract

1389376 Electro-depositing gold alloys W KONIG 30 March 1973 [6 May 1972] 15333/73 Heading C7B An aqueous alkaline bath for electro-depositing gold alloy plating containing one or more of Cd, Zn, Ni, Co, Sn, In, Cu, comprises an alkali metal (e.g. Na) auric sulphite, less than 0.5 g/l of alloying metal (s) 0.1 to 5 g/l of Pt group metal as salt or complex, the pH being adjusted to 8-10 e.g. with ammonia and/or triethanolamine. The bath may also contain As and/or Se, and KH 2 PO 4 , Na 2 HPO 4 , dibasic sodium or potassium hydrogen ethylenediamine tetra or diacetate.
GB1533373A 1972-05-06 1973-03-30 Bath composition for the electrodeposition of gold alloy platings Expired GB1389376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722222310 DE2222310A1 (en) 1972-05-06 1972-05-06 BATHROOM COMPOSITION FOR THE GALVANIC PRODUCTION OF GOLD ALLOY COVERINGS

Publications (1)

Publication Number Publication Date
GB1389376A true GB1389376A (en) 1975-04-03

Family

ID=5844255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1533373A Expired GB1389376A (en) 1972-05-06 1973-03-30 Bath composition for the electrodeposition of gold alloy platings

Country Status (5)

Country Link
CH (1) CH594747A5 (en)
DE (1) DE2222310A1 (en)
FR (1) FR2183720B3 (en)
GB (1) GB1389376A (en)
NL (1) NL7305986A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405312A1 (en) * 1977-10-10 1979-05-04 Oxy Metal Industries Corp Bath for electrodeposition of gold-zinc alloys - contains alkali sulphite, gold-sulphite complex, zinc salt, complex or chelate, complexing or chelating agent and metal

Also Published As

Publication number Publication date
DE2222310A1 (en) 1973-11-15
FR2183720B3 (en) 1974-05-17
CH594747A5 (en) 1978-01-31
FR2183720A3 (en) 1973-12-21
NL7305986A (en) 1973-11-08

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414E Application relinquished (sect. 14/1949)
CSNS Application of which complete specification have been accepted and published, but patent is not sealed