ASYMMETRIC CHEMICAL STRENGTHENING
    3.
    发明申请

    公开(公告)号:US20190023611A1

    公开(公告)日:2019-01-24

    申请号:US16143119

    申请日:2018-09-26

    Applicant: Apple Inc.

    Abstract: Asymmetrically strengthened glass articles, methods for producing the same, and use of the articles in portable electronic device is disclosed. The asymmetrically strengthened glass articles include glass articles having a deeper compressive stress layer in a thicker portion of the glass article. Using a budgeted amount of compressive stress and tensile stress, asymmetric chemical strengthening is optimized for the utility of a glass article. In some aspects, the strengthened glass article can be designed for reduced damage, or damage propagation, when dropped.

    FLEXURAL TESTING APPARATUS FOR MATERIALS AND METHOD OF TESTING MATERIALS
    4.
    发明申请
    FLEXURAL TESTING APPARATUS FOR MATERIALS AND METHOD OF TESTING MATERIALS 有权
    材料的弯曲试验装置和试验材料的方法

    公开(公告)号:US20170059463A1

    公开(公告)日:2017-03-02

    申请号:US14841652

    申请日:2015-08-31

    Applicant: Apple Inc.

    CPC classification number: G01N3/20 G01N3/24 G01N2203/0282 G01N2203/0494

    Abstract: A material testing apparatus and methods of testing material are disclosed. The material testing apparatus may include a support ring contacting a test material and a moveable contact component positioned adjacent to the support ring. The moveable contact component may include a substantially curved contact surface comprising a radius-varying curvature profile formed between a center and a perimeter of the substantially curve contact surface. The curvature profile may be based on a predetermined deflection-force profile specific to the test material. Additionally, the curvature profile may also be based on the material characteristics of the test material, the physical characteristics of the test material, the physical characteristics of the support ring and/or a testing process performed on the test material.

    Abstract translation: 公开了一种材料测试装置和材料测试方法。 材料测试装置可以包括接触测试材料的支撑环和邻近支撑环定位的可移动接触部件。 可移动接触部件可以包括基本上弯曲的接触表面,其包括在基本上曲线的接触表面的中心和周边之间形成的半径变化的曲率轮廓。 曲率轮廓可以基于对测试材料特有的预定偏转力分布。 此外,曲率分布也可以基于测试材料的材料特性,测试材料的物理特性,支撑环的物理特性和/或在测试材料上执行的测试过程。

    ASYMMETRIC CHEMICAL STRENGTHENING
    5.
    发明公开

    公开(公告)号:US20230167021A1

    公开(公告)日:2023-06-01

    申请号:US18102625

    申请日:2023-01-27

    Applicant: Apple Inc.

    CPC classification number: C03C21/002

    Abstract: Asymmetrically strengthened glass articles, methods for producing the same, and use of the articles in portable electronic device is disclosed. The asymmetrically strengthened glass articles include glass articles having a deeper compressive stress layer in a thicker portion of the glass article. Using a budgeted amount of compressive stress and tensile stress, asymmetric chemical strengthening is optimized for the utility of a glass article. In some aspects, the strengthened glass article can be designed for reduced damage, or damage propagation, when dropped.

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