GB1427394A - Method for the continuous electropolishing of elements made of copper or an alloy of copper - Google Patents

Method for the continuous electropolishing of elements made of copper or an alloy of copper

Info

Publication number
GB1427394A
GB1427394A GB1801573A GB1801573A GB1427394A GB 1427394 A GB1427394 A GB 1427394A GB 1801573 A GB1801573 A GB 1801573A GB 1801573 A GB1801573 A GB 1801573A GB 1427394 A GB1427394 A GB 1427394A
Authority
GB
United Kingdom
Prior art keywords
bath
copper
electropolishing
alloy
solution
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
GB1801573A
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.)
Politechnika Warszawska
Original Assignee
Politechnika Warszawska
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 Politechnika Warszawska filed Critical Politechnika Warszawska
Priority to GB1801573A priority Critical patent/GB1427394A/en
Publication of GB1427394A publication Critical patent/GB1427394A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

1427394 Electropolishing copper or copper alloy POLITECHNIKA WARSZAWSKA 13 April 1973 18015/73 Heading C7B In a method for the continuous electropolishing of an element made of Cu or an alloy of Cu (e.g. a beryllium bronze wire or a Cu wire), the element is passed through first and second baths containing the same solution; namely a solution containing H 3 PO 4 having a concentration of 75 to 90 wt per cent, and Cu ions having a concentration of 0À05 to 2 gram-ions/litre, and an addition of one or more organic compounds (such as aliphatic alcohols, tertiary aliphatic amines, and/or alkyl ammonium compounds). In the first bath there may or may not be a current density on the element. In the second bath a voltage of between 1À5 and 2À5 volts is applied between the element (as anode) and a cathode. The first bath solution has a constant temperature of 70‹ to 100‹C and the second bath solution has a temperature of 10‹ to 30‹C at the 'inlet' increasing to 60‹ to 140 C at the 'outlet'. The inlet and outlet are the points at which the element enters and leaves the second bath. The electropolishing may be carried out using a constant potential or a constant current.
GB1801573A 1973-04-13 1973-04-13 Method for the continuous electropolishing of elements made of copper or an alloy of copper Expired GB1427394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1801573A GB1427394A (en) 1973-04-13 1973-04-13 Method for the continuous electropolishing of elements made of copper or an alloy of copper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1801573A GB1427394A (en) 1973-04-13 1973-04-13 Method for the continuous electropolishing of elements made of copper or an alloy of copper

Publications (1)

Publication Number Publication Date
GB1427394A true GB1427394A (en) 1976-03-10

Family

ID=10105177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1801573A Expired GB1427394A (en) 1973-04-13 1973-04-13 Method for the continuous electropolishing of elements made of copper or an alloy of copper

Country Status (1)

Country Link
GB (1) GB1427394A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2420581A1 (en) * 1978-03-22 1979-10-19 Latszereszeti Eszkoezoek Gyara METHOD AND CIRCUIT FOR THE OPTIMUM CONTROL OF ELECTROLYTIC POLISHING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2420581A1 (en) * 1978-03-22 1979-10-19 Latszereszeti Eszkoezoek Gyara METHOD AND CIRCUIT FOR THE OPTIMUM CONTROL OF ELECTROLYTIC POLISHING

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee