DK3430185T3 - HIGHLY REFLECTIVE ANODISED AL SURFACES WITH SPECIALLY ADAPTED DIFFUSE AND REFLECTIVE CONTENT - Google Patents

HIGHLY REFLECTIVE ANODISED AL SURFACES WITH SPECIALLY ADAPTED DIFFUSE AND REFLECTIVE CONTENT Download PDF

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Publication number
DK3430185T3
DK3430185T3 DK16727968.6T DK16727968T DK3430185T3 DK 3430185 T3 DK3430185 T3 DK 3430185T3 DK 16727968 T DK16727968 T DK 16727968T DK 3430185 T3 DK3430185 T3 DK 3430185T3
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DK
Denmark
Prior art keywords
reflective
anodised
diffuse
specially adapted
content
Prior art date
Application number
DK16727968.6T
Other languages
Danish (da)
Inventor
Ib Kongstad
Rajan Ambat
Visweswara Chakravarthy Gudla
Kirill Bordo
Flemming Jensen
Original Assignee
Bang & Olufsen As
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 Bang & Olufsen As filed Critical Bang & Olufsen As
Application granted granted Critical
Publication of DK3430185T3 publication Critical patent/DK3430185T3/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
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/024—Anodisation under pulsed or modulated current or potential
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/14—Producing integrally coloured layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
DK16727968.6T 2016-04-27 2016-05-20 HIGHLY REFLECTIVE ANODISED AL SURFACES WITH SPECIALLY ADAPTED DIFFUSE AND REFLECTIVE CONTENT DK3430185T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201600250 2016-04-27
PCT/EP2016/061383 WO2017186315A1 (en) 2016-04-27 2016-05-20 Highly reflecting anodised al surfaces with tailored diffuse and specular content

Publications (1)

Publication Number Publication Date
DK3430185T3 true DK3430185T3 (en) 2023-04-24

Family

ID=56116398

Family Applications (1)

Application Number Title Priority Date Filing Date
DK16727968.6T DK3430185T3 (en) 2016-04-27 2016-05-20 HIGHLY REFLECTIVE ANODISED AL SURFACES WITH SPECIALLY ADAPTED DIFFUSE AND REFLECTIVE CONTENT

Country Status (6)

Country Link
US (1) US20190136399A1 (en)
EP (1) EP3430185B1 (en)
CN (1) CN109072473B (en)
DK (1) DK3430185T3 (en)
HK (1) HK1259273A1 (en)
WO (1) WO2017186315A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113943960B (en) * 2020-07-16 2023-05-16 北京小米移动软件有限公司 Metal shell, manufacturing method thereof and electronic equipment

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916636A (en) * 1972-06-07 1974-02-14
KR900014905A (en) * 1989-03-22 1990-10-25 알칸 인터내셔날 리미티드 Optical interference structure
JP2004035930A (en) 2002-07-02 2004-02-05 Suzuki Motor Corp Aluminum alloy material and anodization treatment method therefor
US7838120B2 (en) 2004-08-20 2010-11-23 Suzuki Motor Corporation Anodic oxide film
CN100383292C (en) * 2004-12-29 2008-04-23 湖南大学 Anodizing method for generating ceramic film on aluminium and its alloy material surface
JP2007154301A (en) 2005-11-30 2007-06-21 Idx Corp Aluminum alloy anodic oxidation method and power source for aluminum alloy anodic oxidation
TW200804629A (en) 2006-07-05 2008-01-16 Idx Corp Power supply for anodizing
JP5207124B2 (en) 2008-03-24 2013-06-12 スズキ株式会社 Anodizing method
CN101392397B (en) * 2008-10-21 2011-04-20 湖南大学 Electrochemistry processing method for generating oxide film on surface of aluminium or aluminium alloy material
WO2012076467A2 (en) * 2010-12-06 2012-06-14 Bang & Olufsen A/S A method to obtain a radiation scattering surface finish on an object
CN102834551B (en) * 2011-03-08 2015-07-01 纳米及先进材料研发院有限公司 Method for producing white anodized aluminum oxide
JP5986308B2 (en) * 2012-06-22 2016-09-06 アップル インコーポレイテッド White-like anodic oxide film and method for forming the same
CN103014808B (en) * 2012-12-14 2015-07-29 中国计量学院 The method of aluminium alloy anode oxide film is prepared with tartrate anodic oxidation
US9512536B2 (en) * 2013-09-27 2016-12-06 Apple Inc. Methods for forming white anodized films by metal complex infusion
CN105705681B (en) * 2013-10-30 2021-03-26 苹果公司 Method for producing white appearing metal oxide films by locating reflective particles prior to or during an anodization process
US9181629B2 (en) * 2013-10-30 2015-11-10 Apple Inc. Methods for producing white appearing metal oxide films by positioning reflective particles prior to or during anodizing processes

Also Published As

Publication number Publication date
US20190136399A1 (en) 2019-05-09
CN109072473A (en) 2018-12-21
HK1259273A1 (en) 2019-11-29
EP3430185B1 (en) 2023-02-22
EP3430185A1 (en) 2019-01-23
WO2017186315A1 (en) 2017-11-02
CN109072473B (en) 2021-03-30

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