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HK1259273A1 - Highly reflecting anodised al surfaces with tailored diffuse and specular content - Google Patents

Highly reflecting anodised al surfaces with tailored diffuse and specular content Download PDF

Info

Publication number
HK1259273A1
HK1259273A1 HK19101634.9A HK19101634A HK1259273A1 HK 1259273 A1 HK1259273 A1 HK 1259273A1 HK 19101634 A HK19101634 A HK 19101634A HK 1259273 A1 HK1259273 A1 HK 1259273A1
Authority
HK
Hong Kong
Prior art keywords
anodised
tailored
diffuse
highly reflecting
specular
Prior art date
Application number
HK19101634.9A
Other languages
Chinese (zh)
Inventor
Kongstad Ib
Jensen Flemming
AMBAT Rajan
BORDO Kirill
Chakravarthy Gudla Visweswara
Original Assignee
Bang & Olufsen A/S
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 A/S filed Critical Bang & Olufsen A/S
Publication of HK1259273A1 publication Critical patent/HK1259273A1/en

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
    • 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)
  • Optical Elements Other Than Lenses (AREA)

Abstract

The present invention relates to a method to obtain a reflective anodized aluminium surface on an object. The present invention relates in particular to a method to obtain a reflective, anodized aluminium surface having a white appearance.
HK19101634.9A 2016-04-27 2016-05-20 Highly reflecting anodised al surfaces with tailored diffuse and specular content HK1259273A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA201600250 2016-04-27
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
HK1259273A1 true HK1259273A1 (en) 2019-11-29

Family

ID=56116398

Family Applications (1)

Application Number Title Priority Date Filing Date
HK19101634.9A HK1259273A1 (en) 2016-04-27 2016-05-20 Highly reflecting anodised al surfaces with tailored diffuse and specular 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
AU617935B2 (en) * 1989-03-22 1991-12-05 Alcan International Limited Optical interference structures incorporating porous films
JP2004035930A (en) 2002-07-02 2004-02-05 Suzuki Motor Corp Aluminum alloy material and its anodic oxidation method
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 An anodizing treatment method for generating ceramic film on the surface of aluminum and its alloy materials
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
WO2012119306A1 (en) * 2011-03-08 2012-09-13 Nano And Advanced Materials Institute Limited Method for Producing White Anodized Aluminum Oxide
CN107815713B (en) * 2012-06-22 2020-11-17 苹果公司 White appearance anodized film and forming method thereof
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
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
CN105705681B (en) * 2013-10-30 2021-03-26 苹果公司 Method for producing white looking metal oxide films by positioning reflective particles before or during anodization process

Also Published As

Publication number Publication date
DK3430185T3 (en) 2023-04-24
US20190136399A1 (en) 2019-05-09
WO2017186315A1 (en) 2017-11-02
EP3430185B1 (en) 2023-02-22
CN109072473B (en) 2021-03-30
EP3430185A1 (en) 2019-01-23
CN109072473A (en) 2018-12-21

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