GB621217A - Improvements in copper-tin alloy plating - Google Patents

Improvements in copper-tin alloy plating

Info

Publication number
GB621217A
GB621217A GB19300/46A GB1930046A GB621217A GB 621217 A GB621217 A GB 621217A GB 19300/46 A GB19300/46 A GB 19300/46A GB 1930046 A GB1930046 A GB 1930046A GB 621217 A GB621217 A GB 621217A
Authority
GB
United Kingdom
Prior art keywords
copper
tin
stannate
mixture
alkali metal
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
GB19300/46A
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.)
Primerica Inc
Original Assignee
Metal and Thermit Corp
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 Metal and Thermit Corp filed Critical Metal and Thermit Corp
Publication of GB621217A publication Critical patent/GB621217A/en
Expired legal-status Critical Current

Links

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
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • C25D3/58Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of copper

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)

Abstract

621,217. Electro-plating. METAL & THERMIT CORPORATION. June 27, 1946, No. 19300. Convention date, Jan. 5. [Class 41] A method of regenerating a copper-tin alloy plating bath comprises adding to the bath a substance containing copper stannate either alone or as a major component. One or more of the compounds, copper carbonate, copper cyanide or copper hydroxide may be added to the copper stannate. The mixture may be prepared from the dry salts or by precipitation from solution, by adding for example copper sulphate to a solution containing an alkali metal stannate and one or more soluble salts, the anions of which form a precipitate with the copper of the copper sulphate. The mixture is then dissolved in an aqueous solution of alkali metal cyanide and an alkali metal hydroxide. The tin content of the mixture may be increased by the addition of hydrous tin oxide. The anodes are usually insoluble, but soluble copper or tin anodes may be used to provide some of the copper or tin content to the bath. Specification 571,641 is referred to.
GB19300/46A 1946-01-05 1946-06-27 Improvements in copper-tin alloy plating Expired GB621217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US639409A US2528601A (en) 1946-01-05 1946-01-05 Copper-tin alloy plating

Publications (1)

Publication Number Publication Date
GB621217A true GB621217A (en) 1949-04-06

Family

ID=24563974

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19300/46A Expired GB621217A (en) 1946-01-05 1946-06-27 Improvements in copper-tin alloy plating

Country Status (2)

Country Link
US (1) US2528601A (en)
GB (1) GB621217A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0808381B1 (en) * 1995-12-09 2006-05-10 Metallveredlung GmbH & Co. KG Method of forming an alloy layer
CN115233026B (en) * 2022-05-30 2024-04-12 广东华诺勤耕材料科技有限公司 Preparation method of copper-tin alloy

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR743797A (en) * 1931-10-19 1933-04-06
US1970549A (en) * 1932-10-18 1934-08-21 City Auto Stamping Co Process of electroplating bronze
US2079842A (en) * 1935-11-16 1937-05-11 Cinamon Lionel Electroplating bath composition and method of producing the same
US2216605A (en) * 1938-03-30 1940-10-01 Special Chemicals Corp Electroplating
US2198365A (en) * 1938-06-29 1940-04-23 Special Chemicals Corp Electroplating
NL69111C (en) * 1939-10-25

Also Published As

Publication number Publication date
US2528601A (en) 1950-11-07

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