WO2010005578A1 - Glass with compressive surface for consumer applications - Google Patents

Glass with compressive surface for consumer applications Download PDF

Info

Publication number
WO2010005578A1
WO2010005578A1 PCT/US2009/004011 US2009004011W WO2010005578A1 WO 2010005578 A1 WO2010005578 A1 WO 2010005578A1 US 2009004011 W US2009004011 W US 2009004011W WO 2010005578 A1 WO2010005578 A1 WO 2010005578A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
mol
ion exchange
compressive stress
mpa
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.)
Ceased
Application number
PCT/US2009/004011
Other languages
English (en)
French (fr)
Inventor
Douglas C. Allan
Adam J. Ellison
Sinue Gomez
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.)
Corning Inc
Original Assignee
Corning Inc
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 Corning Inc filed Critical Corning Inc
Priority to JP2011517422A priority Critical patent/JP2011527661A/ja
Priority to EP09788888A priority patent/EP2307328A1/en
Priority to CN200980133798.4A priority patent/CN102131740B/zh
Publication of WO2010005578A1 publication Critical patent/WO2010005578A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

Definitions

  • the strengthening steps are ion exchange steps in which the glass, which itself initially comprises alkali metal ions, is immersed in a series of salt baths containing alkali metal ions that are larger than those alkali metal ions present in the glass.
  • successive salt baths have compositions that are different from each other.
  • successive salt baths can have essentially the same composition.
  • the terms "salt bath” and “bath” refer to such baths used for ion exchange, including, but not limited to, molten salt baths that are known in the art. The smaller ions in the surface region of the glass are exchanged for the larger ions in the bath.
  • sodium ions in the surface region of the glass are exchanged for potassium ions in the melt.
  • a compressive stress is created in the surface of the glass region by the presence of larger ions that now occupy sites in the surface region.
  • the presence of a compressive stress in the surface region gives rise to a corresponding tensile stress, or central tension, in a central or inner region of the glass to balance forces within the glass.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
PCT/US2009/004011 2008-07-11 2009-07-09 Glass with compressive surface for consumer applications Ceased WO2010005578A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011517422A JP2011527661A (ja) 2008-07-11 2009-07-09 民生用途のための圧縮面を有するガラス
EP09788888A EP2307328A1 (en) 2008-07-11 2009-07-09 Glass with compressive surface for consumer applications
CN200980133798.4A CN102131740B (zh) 2008-07-11 2009-07-09 用于消费用途的具有压缩表面的玻璃

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7999508P 2008-07-11 2008-07-11
US61/079,995 2008-07-11

Publications (1)

Publication Number Publication Date
WO2010005578A1 true WO2010005578A1 (en) 2010-01-14

Family

ID=41165360

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/004011 Ceased WO2010005578A1 (en) 2008-07-11 2009-07-09 Glass with compressive surface for consumer applications

Country Status (6)

Country Link
US (1) US8561429B2 (enExample)
EP (1) EP2307328A1 (enExample)
JP (1) JP2011527661A (enExample)
KR (1) KR20110036828A (enExample)
CN (1) CN102131740B (enExample)
WO (1) WO2010005578A1 (enExample)

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US9944554B2 (en) 2011-09-15 2018-04-17 Apple Inc. Perforated mother sheet for partial edge chemical strengthening and method therefor
US9946302B2 (en) 2012-09-19 2018-04-17 Apple Inc. Exposed glass article with inner recessed area for portable electronic device housing
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US10150698B2 (en) 2014-10-31 2018-12-11 Corning Incorporated Strengthened glass with ultra deep depth of compression
WO2019014029A1 (en) * 2017-07-13 2019-01-17 Corning Incorporated ENHANCED GLASS-BASED ARTICLES WITH IMPROVED STRAIN PROFILE
US10189743B2 (en) 2010-08-18 2019-01-29 Apple Inc. Enhanced strengthening of glass
US10239784B2 (en) 2014-11-04 2019-03-26 Corning Incorporated Deep non-frangible stress profiles and methods of making
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EP2307328A1 (en) 2011-04-13
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CN102131740A (zh) 2011-07-20
US8561429B2 (en) 2013-10-22

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