GB1059899A - Electrodeposition of nickel - Google Patents

Electrodeposition of nickel

Info

Publication number
GB1059899A
GB1059899A GB884/66A GB88466A GB1059899A GB 1059899 A GB1059899 A GB 1059899A GB 884/66 A GB884/66 A GB 884/66A GB 88466 A GB88466 A GB 88466A GB 1059899 A GB1059899 A GB 1059899A
Authority
GB
United Kingdom
Prior art keywords
anode
nickel
anodes
electrodeposition
pure nickel
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
GB884/66A
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.)
Inco Ltd
Original Assignee
Inco Ltd
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 Inco Ltd filed Critical Inco Ltd
Publication of GB1059899A publication Critical patent/GB1059899A/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
    • 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
    • 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

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)
  • Electroplating Methods And Accessories (AREA)

Abstract

<PICT:1059899/C6-C7/1> A nickel plating bath which includes nickel chloride is applied using D.C. and superimposed A.C. of frequency not exceeding 20 cycles, and the ratio of currents A. C./D. C. is at least 4 to 1. Preferably a pure nickel anode is used as an auxiliary anode, when an enclosing filter bag is not used. Other normal anodes with filter bags are present. For example a recessed article 11 is mounted on a bracket 12 on which a pure nickel anode 13 is mounted with an intervening insulator 10. The anode is corrected to a D.C. source 16 and an A.C. supply 15, an ammeter 18, and oscilloscope 19 to measure the A.C. The other anodes are connected to D.C. only. A Watts bath may be used. A top coat of chromium may be applied.
GB884/66A 1965-01-12 1966-01-07 Electrodeposition of nickel Expired GB1059899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US425012A US3349016A (en) 1965-01-12 1965-01-12 Process for employing an auxiliary anode made of high purity nickel

Publications (1)

Publication Number Publication Date
GB1059899A true GB1059899A (en) 1967-02-22

Family

ID=23684775

Family Applications (1)

Application Number Title Priority Date Filing Date
GB884/66A Expired GB1059899A (en) 1965-01-12 1966-01-07 Electrodeposition of nickel

Country Status (8)

Country Link
US (1) US3349016A (en)
AT (1) AT264241B (en)
BE (1) BE675013A (en)
CH (1) CH439907A (en)
ES (1) ES321622A1 (en)
GB (1) GB1059899A (en)
LU (1) LU50239A1 (en)
NL (1) NL6600324A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450605A (en) * 1966-10-25 1969-06-17 United Aircraft Corp Minimization of anode passivation in electroplating processes
ITTO20070704A1 (en) * 2007-10-05 2009-04-06 Create New Technology S R L SYSTEM AND METHOD OF PLATING METAL ALLOYS BY GALVANIC TECHNOLOGY
JP4989541B2 (en) * 2008-03-31 2012-08-01 ルネサスエレクトロニクス株式会社 Plating method, semiconductor device manufacturing method, and plating processing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274056A (en) * 1940-05-29 1942-02-24 Int Nickel Co Extruded anode
NL72938C (en) * 1947-07-09
US2706170A (en) * 1951-11-15 1955-04-12 Sperry Corp Electroforming low stress nickel
US2951978A (en) * 1957-05-29 1960-09-06 Thor P Ulvestad Reverse pulse generator

Also Published As

Publication number Publication date
US3349016A (en) 1967-10-24
ES321622A1 (en) 1966-07-01
AT264241B (en) 1968-08-26
CH439907A (en) 1967-07-15
LU50239A1 (en) 1966-03-24
NL6600324A (en) 1966-07-13
BE675013A (en) 1966-07-12

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