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    STRENGTHENED GLASS WITH DEEP DEPTH OF COMPRESSION
    5.
    发明申请
    STRENGTHENED GLASS WITH DEEP DEPTH OF COMPRESSION 审中-公开
    强化玻璃与深度深度的压缩

    公开(公告)号：US20150239775A1

    公开(公告)日：2015-08-27

    申请号：US14530073

    申请日：2014-10-31

    申请人： Corning Incorporated

    发明人： Jaymin Amin ,  Benedict Osobomen Egboiyi ,  Jonathan David Pesansky ,  Kevin Barry Reiman ,  Rostislav Vatchev Roussev ,  Brian Paul Strines

    IPC分类号： C03C21/00 ,  C03C3/097

    CPC分类号： C03C21/002 ,  C03C3/04 ,  C03C3/085 ,  C03C3/087 ,  C03C3/091 ,  C03C3/093 ,  C03C3/095 ,  C03C3/097 ,  C03C4/18 ,  C03C21/00 ,  C03C2204/00 ,  G06F1/1637 ,  G06F2200/1634 ,  H04B1/3827 ,  Y10T428/315

    摘要： Chemically strengthened glass articles having at least one deep compressive layer extending from a surface of the article to a depth of at least about 45 μm within the article are provided. In one embodiment, the compressive stress profile includes a single linear segment extending from the surface to the depth of compression DOC. Alternatively, the compressive stress profile includes two linear portions: the first portion extending from the surface to a relatively shallow depth and having a steep slope; and a second portion extending from the shallow depth to the depth of compression. The strengthened glass has a 60% survival rate when dropped from a height of 80 cm in an inverted ball drop test and an equibiaxial flexural strength of at least 10 kgf as determined by abraded ring-on-ring testing. Methods of achieving such stress profiles are also described.

    摘要翻译： 提供了具有从制品表面延伸到制品内至少约45μm深度的至少一个深度压缩层的化学强化的玻璃制品。 在一个实施例中，压缩应力分布包括从表面延伸到压缩DOC深度的单个线性段。 或者，压缩应力分布包括两个线性部分：第一部分从表面延伸到相对较浅的深度并且具有陡峭的斜率; 以及从浅深度延伸到压缩深度的第二部分。 加强玻璃在倒置球滴试验中从80厘米的高度下降至60厘米的存活率，并且通过磨损的环上环试验确定的至少10kgf的等轴弯曲强度。 还描述了实现这种应力分布的方法。

    Apparatus and methods to impact test materials
    7.
    发明授权
    Apparatus and methods to impact test materials 有权

    公开(公告)号：US10962457B2

    公开(公告)日：2021-03-30

    申请号：US15771656

    申请日：2016-10-28

    申请人： CORNING INCORPORATED

    发明人： Benedict Osobomen Egboiyi ,  Kevin Barry Reiman ,  Brian Paul Strines

    IPC分类号： G01N3/303 ,  G01N3/04 ,  G01N33/38 ,  G01N3/30

    摘要： Apparatus and methods for impact testing of a transparent substrate are provided. The apparatus includes a base (110) for receiving the transparent substrate (112), the base having a curved surface (124) about which the transparent substrate is bent by a first fixture (130) and a second fixture (132). An abrasive sheet (136) is disposed between the transparent substrate and an impacting object (138) which is released from above the substrate such that the force from the impacting object causes damage to the transparent substrate while the transparent substrate is bent about the curved surface.

    GLASS-BASED ARTICLES HAVING CRACK RESISTANT STRESS PROFILES
    8.
    发明申请
    GLASS-BASED ARTICLES HAVING CRACK RESISTANT STRESS PROFILES 审中-公开

    公开(公告)号：US20190104627A1

    公开(公告)日：2019-04-04

    申请号：US16146214

    申请日：2018-09-28

    申请人： CORNING INCORPORATED

    发明人： Kameron Isaiah Chambliss ,  Benedict Osobomen Egboiyi ,  Kevin Barry Reiman ,  Vitor Marino Schneider

    IPC分类号： H05K5/03 ,  C03C3/097 ,  C03C4/18 ,  C03C21/00 ,  C03B27/012 ,  H05K5/00

    摘要： Glass-based articles are disclosed having a thickness in a range of from about 0.2 mm to about 4.0 mm, a first compressive stress layer extending from a first surface of the glass-based article to a first depth of compression that is in a range of from about 5% to about 20% of the thickness, a second compressive stress layer extending from a second surface of the glass-based article to a second depth of compression that is in a range of from about 5% to about 20% of the thickness, wherein the second surface is opposite the first surface, and a central region extending from the first depth of compression to the second depth of compression and having a maximum tensile stress in a range of from about 0.5 MPa to about 20 MPa. Electronic devices comprising the glass-based articles and methods of making glass-based articles are also disclosed.