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    METHOD FOR PRODUCING CHEMICALLY STRENGTHENED GLASS
    11.
    发明申请
    METHOD FOR PRODUCING CHEMICALLY STRENGTHENED GLASS 有权
    生产化学强化玻璃的方法

    公开(公告)号：US20160207828A1

    公开(公告)日：2016-07-21

    申请号：US15000675

    申请日：2016-01-19

    Applicant: Asahi Glass Company, Limited

    Inventor： lzuru KASHIMA ,  Yusuke FUJIWARA ,  Kiyoshi TAMAI ,  Yuichi SUZUKI ,  Daisuke KOBAYASHI ,  Yoichi SERA ,  Taku YAMADA

    IPC: C03C21/00 ,  C03C23/00

    CPC classification number: C03C21/002 ,  C03C3/085 ,  C03C3/087 ,  C03C3/091 ,  C03C15/00 ,  C03C21/006 ,  C03C23/0075 ,  G01B5/28

    Abstract: A method for producing a chemically strengthened glass, including a step of bringing a glass containing sodium into contact with an inorganic salt containing potassium nitrate, thereby performing ion exchange of a Na ion in the glass with a K ion in the inorganic salt, in which the inorganic salt contains at least one salt selected from the group consisting of K2CO3, Na2CO3, KHCO3, NaHCO3, K3PO4, Na3PO4, K2SO4, Na2SO4, KOH and NaOH, and the method includes: a step of washing the glass after the ion exchange; a step of subjecting the glass to an acid treatment after the washing; and a step of subjecting the glass to an alkali treatment after the acid treatment.

    Abstract translation: 一种化学强化玻璃的制造方法，其特征在于，包括使含有钠的玻璃与含有硝酸钾的无机盐接触的步骤，由无机盐中的K离子与玻璃中的Na离子进行离子交换，其中， 无机盐含有选自K 2 CO 3，Na 2 CO 3，KHCO 3，NaHCO 3，K 3 PO 4，Na 3 PO 4，K 2 SO 4，Na 2 SO 4，KOH和NaOH的至少一种盐，该方法包括：在离子交换后洗涤玻璃的步骤; 洗涤后对玻璃进行酸处理的工序; 以及在酸处理后使玻璃进行碱处理的工序。

    CHEMICALLY STRENGTHENED GLASS
    12.
    发明申请
    CHEMICALLY STRENGTHENED GLASS 有权
    化学强化玻璃

    公开(公告)号：US20160130179A1

    公开(公告)日：2016-05-12

    申请号：US15000918

    申请日：2016-01-19

    Applicant: ASAHI GLASS COMPANY, LIMITED

    Inventor： lzuru KASHIMA ,  Yusuke FUJIWARA ,  Kiyoshi TAMAI ,  Yuichi SUZUKI ,  Daisuke KOBAYASHI ,  Yoichi SERA ,  Taku YAMADA

    IPC: C03C21/00 ,  G01B5/28 ,  C03C3/091 ,  C03C3/087 ,  C03C3/085

    CPC classification number: C03C21/002 ,  C03C3/085 ,  C03C3/087 ,  C03C3/091 ,  C03C15/00 ,  C03C21/006 ,  C03C23/0075 ,  G01B5/28

    Abstract: A chemically strengthened glass having a compressive stress layer formed in a surface layer thereof according to an ion exchange method, in which the glass has a surface roughness (Ra) of 0.20 nm or higher, a hydrogen concentration Y in a region to a depth X from an outermost surface of the glass satisfies the following relational equation (I) at X=from 0.1 to 0.4 (μm), a surface strength F (N) measured by a ball-on-ring test under the following conditions is (F≧1500×t2) relative to a sheet thickness t (mm) of the glass, and a surface of the glass has no polishing flaw: Y=aX+b  (I) in which meanings of respective symbols in the equation (I) are as follows: Y: hydrogen concentration (as H2O, mol/L); X: depth from the outermost surface of the glass (μm); a: −0.270 to −0.005; and b: 0.020 to 0.220.

    Abstract translation: 一种化学强化玻璃，其具有根据离子交换方法在其表面层形成的压应力层，其中所述玻璃的表面粗糙度（Ra）为0.20nm以上，区域中的氢浓度Y为深度X 在X = 0.1〜0.4（μm）的范围内，玻璃的最外表面满足以下的关系式（I），在下列条件下通过球形环试验测得的表面强度F（N）为（F≥ 1500×t2），玻璃的表面没有抛光缺陷：Y = aX + b（I）其中式（I）中各符号的含义为 如下：Y：氢浓度（如H2O，mol / L）; X：玻璃最外表面的深度（μm）; a：-0.270〜-0.005; b：0.020〜0.220。

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