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    METHODS OF FORMING A FOLDABLE APPARATUS
    1.
    发明申请
    METHODS OF FORMING A FOLDABLE APPARATUS 审中-公开

    公开(公告)号：WO2022076247A1

    公开(公告)日：2022-04-14

    申请号：PCT/US2021/053058

    申请日：2021-10-01

    Applicant: CORNING INCORPORATED

    Inventor： CAO, Xinyu ,  CHEN, Ling ,  CHEN, Wanghui ,  FENG, Jiangwei ,  HURLEY, William Joseph ,  JIANG, Weirong ,  LEZZI, Peter Joseph ,  OWUSU, Samuel Odei

    IPC: C03C3/083 ,  C03C3/087 ,  C03C10/00 ,  C03C15/00 ,  C03C21/00

    Abstract: Methods of forming a foldable substrate comprise providing a glass-based substrate comprising a first compressive stress region extending to an existing first depth of compression from an existing first major surface. Methods comprise contacting the existing first major surface with a solution to remove an outer compressive layer of the first compressive stress region to form a new first major surface. The outer compressive layer ranges from about 0.05 micrometers to about 5 micrometers. The solution can comprise a first temperature in a range from about 60°C to about 120°C. The solution can comprise an alkaline solution comprising about 10 wt% or more of a hydroxide-containing base. In aspects, the method can comprise one or more of: attaching an adhesive layer to the new first major surface, attaching a display device to the new first major surface, or disposing a coating over the new first major surface.

    ION EXCHANGE PROCESS FOR ULTRA-THIN GLASS
    3.
    发明申请
    ION EXCHANGE PROCESS FOR ULTRA-THIN GLASS 审中-公开

    公开(公告)号：WO2021041036A1

    公开(公告)日：2021-03-04

    申请号：PCT/US2020/045917

    申请日：2020-08-12

    Applicant: CORNING INCORPORATED

    Inventor： GUILFOYLE, Diane Kimberlie ,  JIN, Yuhui ,  KUO, Kuan-Ting ,  REYNOLDS-HEFFER, Linda Frances

    IPC: C03C3/083 ,  C03C3/085 ,  C03C3/091 ,  C03C3/097 ,  C03C21/00

    Abstract: A method of chemically strengthening a glass-based article via ion exchange, wherein the glass-based article has a thickness of less than about 300 mm. The glass-based article may be chemically strengthened by ion exchanged to achieve a depth of compression DOC ranging from about 5 mm to about 60 mm and a peak compressive stress in a range from about 300 MPa to about 2000 MPa. The high peak compressive stress provides the ability to withstand the stresses associated with bending and to resist damage caused by impact. Additionally, the glass-based article retains net compression to contain surface flaws when the glass is subjected to bending around a tight radius in use, for example, as cover glass in flexible and foldable displays.

    GLASS-BASED ARTICLES WITH IMPROVED STRESS PROFILES
    4.
    发明申请
    GLASS-BASED ARTICLES WITH IMPROVED STRESS PROFILES 审中-公开

    公开(公告)号：WO2021003203A1

    公开(公告)日：2021-01-07

    申请号：PCT/US2020/040392

    申请日：2020-07-01

    Applicant: CORNING INCORPORATED

    Inventor： HUNT, Jennifer Lynn ,  ROUSSEV, Rostislav Vatchev

    IPC: C03C3/087 ,  C03C3/091 ,  C03C21/00

    Abstract: Glass-based articles comprise: a lithium-based aluminosilicate composition; a glass-based substrate having opposing first and second surfaces defining a substrate thickness ( t ), wherein t is less than or equal to 0.74 mm; and a stress profile comprising: a spike region extending from the first surface and comprising a spike depth of layer (DOL sp ) located at a depth of greater than or equal to 7 micrometers; and a maximum central tension (CT max ) of greater than or equal to 50 MPa.

    A FEXIBLE GLASS COVER WITH POLYMERIC COATINGS
    5.
    发明申请
    A FEXIBLE GLASS COVER WITH POLYMERIC COATINGS 审中-公开

    公开(公告)号：WO2020096757A1

    公开(公告)日：2020-05-14

    申请号：PCT/US2019/057204

    申请日：2019-10-21

    Applicant: CORNING INCORPORATED

    Inventor： BRANDENBURG, Charles ,  COBLE, Claire Renata ,  HAYES, Richard Allen ,  ZHANG, Ying

    IPC: C03C17/32 ,  C03C21/00

    Abstract: Glass articles having a glass layer with a top a top surface, a bottom surface, and a thickness in the range of 10 microns to 200 microns, and having: a top polymeric coating layer disposed on the top surface of the glass layer with a thickness in the range of 0.1 microns to 10 microns; and/or a bottom polymeric coating layer disposed on the bottom surface of the glass layer with a thickness in the range of 0.1 microns to 10 microns. The glass articles may achieve a bend radius of 10 mm or less. The glass articles may have a shatter resistance defined by the capability of the glass article to avoid ejection of glass shard particles from the glass article upon bending to a failure bend radius.

    GLASS SUBSTRATES INCLUDING UNIFORM PARTING AGENT COATINGS AND METHODS OF CERAMMING THE SAME
    6.
    发明申请
    GLASS SUBSTRATES INCLUDING UNIFORM PARTING AGENT COATINGS AND METHODS OF CERAMMING THE SAME 审中-公开

    公开(公告)号：WO2020018432A1

    公开(公告)日：2020-01-23

    申请号：PCT/US2019/041822

    申请日：2019-07-15

    Applicant: CORNING INCORPORATED

    Inventor： CUI, Shuo ,  HALL, Jill Marie ,  KEYES, Gregory William ,  SALTZER, JR., John Robert

    IPC: C03C17/00 ,  C03C17/25

    Abstract: Glass stack configurations including a carrier plate, setter plates, and glass sheets for thermal treatment of the glass sheets to form glass ceramic articles are provided. The glass stacking configurations and components described herein are selected to improve thermal uniformity throughout a glass stack during ceramming processes while maintaining or even reducing the stresses in the resultant glass ceramic article. Accordingly, the glass ceramic articles made according to the various embodiments described herein exhibit improved optical qualities and less warp than glass ceramic articles made according to conventional processes. Various embodiments of carrier plates, setter plates, parting agent compositions, and methods of stacking glass sheets are described.

    PRE-FRACTURED GLASS COMPOSITES AND LAMINATES WITH IMPACT RESISTANCE AND METHODS OF MAKING THE SAME
    9.
    发明申请
    PRE-FRACTURED GLASS COMPOSITES AND LAMINATES WITH IMPACT RESISTANCE AND METHODS OF MAKING THE SAME 审中-公开

    公开(公告)号：WO2019221771A2

    公开(公告)日：2019-11-21

    申请号：PCT/US2018/054680

    申请日：2018-10-05

    Applicant: CORNING INCORPORATED

    Inventor： DEJNEKA, Matthew John ,  TANG, Zhongzhi

    Abstract: A pre-fractured glass laminate that includes: a glass substrate comprising a thickness, a pair of opposed primary surfaces, a compressive stress region, a central tension (CT) region and a plurality of cracks; a second phase comprising a polymer or a cured resin within the plurality of cracks; a backing layer; and an interlayer disposed between one of the primary surfaces of the substrate and the backing layer. The compressive stress region extends from each of the primary surfaces to a first selected depth in the substrate. Further, the plurality of cracks is located in the CT region.

    ION EXCHANGED GLASS-CERAMIC ARTICLES
    10.
    发明申请
    ION EXCHANGED GLASS-CERAMIC ARTICLES 审中-公开

    公开(公告)号：WO2019191358A1

    公开(公告)日：2019-10-03

    申请号：PCT/US2019/024473

    申请日：2019-03-28

    Applicant: CORNING INCORPORATED

    Inventor： FU, Qiang ,  HUNT, Jennifer Lynn ,  ROUSSEV, Rostislav Vatchev ,  SMITH, Charlene Marie ,  WHITTIER, Alana Marie ,  WILKINSON, Taylor Marie

    IPC: C03C3/085 ,  C03C3/093 ,  C03C3/097 ,  C03C10/00 ,  C03C21/00

    Abstract: Disclosed herein are glass-ceramic article having a first surface, a second surface opposing the first surface, a first region extending from the first surface to a first depth d1, and a second region extending from a depth greater than or equal to d1 to a second depth d2, wherein the second region comprises a crystalline phase and a glass phase, and wherein an area percentage % of crystals in the first region is less than an area percentage % of crystals in the second region. In some embodiments, a compressive stress layer extends from the first surface to a depth of compression (DOC), wherein the DOC is greater than or equal to 0.05 mm an average compressive stress in the first region is greater than or equal to 50 MPa. In some embodiments, the DOC is greater than d1; a reduce modulus of the first region is less than the reduced modulus of the second region; and/or a hardness of the first region is less than the hardness of the second region.

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