WO2005033371A3 - Apparatus and method for treatment of metal surfaces by inorganic electrophoretic passivation - Google Patents

Apparatus and method for treatment of metal surfaces by inorganic electrophoretic passivation Download PDF

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Publication number
WO2005033371A3
WO2005033371A3 PCT/US2004/029599 US2004029599W WO2005033371A3 WO 2005033371 A3 WO2005033371 A3 WO 2005033371A3 US 2004029599 W US2004029599 W US 2004029599W WO 2005033371 A3 WO2005033371 A3 WO 2005033371A3
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
cathodic
anodic
metal surface
anode
Prior art date
Application number
PCT/US2004/029599
Other languages
French (fr)
Other versions
WO2005033371A2 (en
Inventor
John R Kochilla
Craig V Bishop
William B Staples
Vincent C Opaskar
Original Assignee
Atotech Deutschland Gmbh
John R Kochilla
Craig V Bishop
William B Staples
Vincent C Opaskar
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 Atotech Deutschland Gmbh, John R Kochilla, Craig V Bishop, William B Staples, Vincent C Opaskar filed Critical Atotech Deutschland Gmbh
Publication of WO2005033371A2 publication Critical patent/WO2005033371A2/en
Publication of WO2005033371A3 publication Critical patent/WO2005033371A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/02—Electrophoretic coating characterised by the process with inorganic material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The present invention relates to an apparatus (100) and a process for electrolytically treating a metal surface. The apparatus includes an electrochemical cell (110) which includes an anodic chamber (112), a cathodic chamber (114), and a divider (116) separating the anodic chamber from the cathodic chamber. The anodic chamber has an anode and contains a conductive anodic medium (120). The cathodic chamber has, as a cathode (122), the metal surface to be treated, and contains a conductive cathodic medium (124) including a silica compound. In one embodiment, during operation of the apparatus, the anode remains substantially free of accumulation of foreign materials. In another embodiment, during operation of the apparatus, organic or inorganic compounds in the conductive cathodic medium remain substantially free of oxidation by the anode. In one embodiment, the treating comprises deposition of a silicon-containing mineral on the metal surface.
PCT/US2004/029599 2003-10-03 2004-09-13 Apparatus and method for treatment of metal surfaces by inorganic electrophoretic passivation WO2005033371A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US50867303P 2003-10-03 2003-10-03
US60/508,673 2003-10-03
US10/731,648 US20050121332A1 (en) 2003-10-03 2003-12-09 Apparatus and method for treatment of metal surfaces by inorganic electrophoretic passivation
US10/731,648 2003-12-09

Publications (2)

Publication Number Publication Date
WO2005033371A2 WO2005033371A2 (en) 2005-04-14
WO2005033371A3 true WO2005033371A3 (en) 2006-04-06

Family

ID=34426064

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/029599 WO2005033371A2 (en) 2003-10-03 2004-09-13 Apparatus and method for treatment of metal surfaces by inorganic electrophoretic passivation

Country Status (2)

Country Link
US (1) US20050121332A1 (en)
WO (1) WO2005033371A2 (en)

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US20050247569A1 (en) * 2004-05-07 2005-11-10 Lamphere Michael S Distributed arc electroerosion
EP1712660A1 (en) * 2005-04-12 2006-10-18 Enthone Inc. Insoluble anode
US8376978B2 (en) * 2007-02-09 2013-02-19 Baxter International Inc. Optical access disconnection systems and methods
US20080277285A1 (en) * 2007-05-08 2008-11-13 Interuniversitair Microelektronica Centrum Vzw (Imec) Bipolar electroless processing methods
JP5274268B2 (en) * 2009-01-08 2013-08-28 三洋電機株式会社 Solid electrolytic capacitor and manufacturing method thereof
IT1405319B1 (en) 2010-12-27 2014-01-03 Fontana R D S R L COATING PROCESS OF THREADED METAL PARTS
JP6571112B2 (en) * 2014-05-21 2019-09-04 タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップＴａｔａ Ｓｔｅｅｌ Ｉｊｍｕｉｄｅｎ Ｂｖ Method for plating moving metal strip and coated metal strip produced thereby
CA2955839A1 (en) * 2014-09-23 2016-03-31 Vinod Chintamani Malshe Electrodeposition mediums for formation of protective coatings electrochemically deposited on metal substrates
US11078588B2 (en) * 2017-01-09 2021-08-03 Raytheon Technologies Corporation Pulse plated abrasive grit
US20210115583A1 (en) * 2017-08-16 2021-04-22 King Abdullah University Of Science And Technology Protection of metal surfaces for selective electrocatalysis and corrosion inhibition

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Patent Citations (4)

* Cited by examiner, † Cited by third party
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EP0022113A1 (en) * 1979-01-10 1981-01-07 Andromaque S.A. Process for electroforming objects starting from a bath containing suspended particles
US4595473A (en) * 1984-08-28 1986-06-17 Trw Inc. Forging lubricant
US20030178317A1 (en) * 1997-01-31 2003-09-25 Heimann Robert I. Energy enhanced process for treating a conductive surface and products formed thereby
WO2003039609A1 (en) * 2001-11-03 2003-05-15 Accentus Plc Deposition of coatings on substrates

Also Published As

Publication number Publication date
WO2005033371A2 (en) 2005-04-14
US20050121332A1 (en) 2005-06-09

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