Method of producing uniform light transmission fusion drawn glass
    1.
    发明专利
    Method of producing uniform light transmission fusion drawn glass 有权
    生产均匀光传输熔融玻璃的方法

    公开(公告)号:JP2012102008A

    公开(公告)日:2012-05-31

    申请号:JP2011245521

    申请日:2011-11-09

    CPC classification number: C03B17/064 C03B17/067 Y02P40/57

    Abstract: PROBLEM TO BE SOLVED: To respond to birefringence induced on a glass sheet by stress in a method of producing the glass sheet using a downdraw process.SOLUTION: A glass sheet quality metric level Q1 is selected, where Q1 is a measure of allowable retardation in the glass sheet. A glass ribbon temperature Tis identified at which a potential glass ribbon thermal artifact could occur in a glass ribbon while the glass ribbon is being drawn through a drawing machine enclosure. A thermal artifact envelope E1 is determined, where E1 contains various glass ribbon thermal artifacts allowable at Tand Q. A glass melt is overflowed from an isopipe to form a glass ribbon at the root of the isopipe. The glass ribbon is drawn below the root of the isopipe through the drawing machine enclosure to form the glass sheet. The drawing machine enclosure is altered at a location where the glass ribbon would be at Tsuch that during the formation of the sheet the thermal artifact is not formed in the glass ribbon at T.

    Abstract translation: 要解决的问题:在使用下拉工艺制造玻璃板的方法中,通过应力响应在玻璃板上引起的双折射。

    解决方案:选择玻璃板质量度量级Q1,其中Q1是玻璃板中容许延迟的量度。 玻璃带温度T 1 被识别出,当玻璃带被拉伸通过拉丝机外壳时,可能在玻璃带中发生潜在的玻璃带热伪影。 确定热伪影包络E1,其中E1包含在T 1 和Q 1 时允许的各种玻璃带热伪影。 玻璃熔体从等压管溢出,在等压槽的根部形成玻璃带。 玻璃带通过拉丝机外壳拉到等压槽的根部下方,形成玻璃板。 拉丝机外壳在玻璃带处于T 1 的位置处被改变,使得在片的形成期间,在T形玻璃带中不形成热伪影 1 。 版权所有(C)2012,JPO&INPIT

    Compositional control of immediate relaxation in display glass
    2.
    发明专利
    Compositional control of immediate relaxation in display glass 有权
    显示玻璃立即放松的组成控制

    公开(公告)号:JP2011231004A

    公开(公告)日:2011-11-17

    申请号:JP2011100744

    申请日:2011-04-28

    CPC classification number: C03C3/085 C03B25/025 C03B25/08 C03C2203/52

    Abstract: PROBLEM TO BE SOLVED: To reduce the dimensional changes of a glass substrate during a display manufacturing process.SOLUTION: The method for reducing the dimensional changes of the glass substrate in a display manufacturing process includes a step of altering the composition of glass so as to increase the peak expansion of the glass during the process. The altering step may include a step of increasing the concentration of alkali metal oxide in the glass. The concentration of alkali metal oxide in the glass is preferably increased only 0.25 mol%, and only 1.0 mol%, more preferably. The altering step may include a step of increasing the water content of the glass. The glass substrate is also provided for use as a substrate in the process for producing a display device.

    Abstract translation: 要解决的问题:在显示制造过程中减小玻璃基板的尺寸变化。 解决方案:用于在显示器制造工艺中减小玻璃基板的尺寸变化的方法包括改变玻璃的组成以增加玻璃在工艺过程中的峰值膨胀的步骤。 改变步骤可以包括增加玻璃中碱金属氧化物浓度的步骤。 玻璃中的碱金属氧化物的浓度优选仅增加0.25mol%,更优选仅增加1.0mol%。 改变步骤可以包括增加玻璃的含水量的步骤。 在制造显示装置的过程中,还提供玻璃基板用作基板。 版权所有(C)2012,JPO&INPIT

    METHODS FOR ION EXCHANGING GLASS ARTICLES

    公开(公告)号:CA3083240A1

    公开(公告)日:2019-05-31

    申请号:CA3083240

    申请日:2018-11-20

    Applicant: CORNING INC

    Abstract: A method for ion exchanging glass articles is provided. The method includes ion exchanging a plurality of lots in steps within an ion exchange salt bath, wherein each of the plurality of lots comprises at least one glass article, and wherein the ion exchange salt bath comprises molten salt and, after removing the last lot from the ion exchange salt bath, removing substantially the entire volume of molten salt from the ion exchange salt bath. The method further includes maintaining steady state conditions in the ion exchange salt bath prior to removing substantially the entire volume of salt from the ion exchange salt bath such that at least one of the compressive stress and the central tension of substantially all of the glass articles varies from at least one of the compressive stress and the central tension of any other of the glass articles by less than about 20%.

    METHOD FOR FUSION DRAWING ION EXCHANGEABLE GLASS

    公开(公告)号:IN8567DEN2014A

    公开(公告)日:2015-05-22

    申请号:IN8567DEN2014

    申请日:2014-10-14

    Applicant: CORNING INC

    Abstract: A method of making glass through a glass ribbon forming process in which a glass ribbon is drawn from a root point to an exit point is provided. The method comprises the steps of: (I) cooling the glass ribbon at a first cooling rate from an initial temperature to a process start temperature the initial temperature corresponding to a temperature at the root point; (II) cooling the glass ribbon at a second cooling rate from the process start temperature to a process end temperature; and (III) cooling the glass ribbon at a third cooling rate from the process end temperature to an exit temperature the exit temperature corresponding to a temperature at the exit point wherein an average of the second cooling rate is lower than an average of the first cooling rate and an average of the third cooling rate.

    DOUBLE ION EXCHANGE PROCESS
    5.
    发明申请
    DOUBLE ION EXCHANGE PROCESS 审中-公开
    双离子交换过程

    公开(公告)号:WO2014189866A9

    公开(公告)日:2015-07-16

    申请号:PCT/US2014038681

    申请日:2014-05-20

    Applicant: CORNING INC

    CPC classification number: C03C21/002

    Abstract: A method for optimizing ion exchange of glass. The glass is ion exchanged in a series of two ion exchange baths. The first ion exchange bath contains an amount of a poisoning ion or salt and the second ion exchange bath contains an amount of the poisoning ion or salt that is less than that in the first bath. When the concentration of the poisoning ion/salt in the first bath reaches a maximum value, the first bath is discarded and replaced by the second bath and a third bath that initially does not contain the poisoning cation/salt replaces the second ion exchange bath. This cycling of baths may be repeated to produce a plurality of glass articles, each having a surface layer under a compressive stress and depth of layer that are within predetermined limits.

    Abstract translation: 一种优化玻璃离子交换的方法。 玻璃在一系列两个离子交换浴中进行离子交换。 第一离子交换浴含有一定量的中毒离子或盐,第二离子交换浴含有少于第一浴中的中毒离子或盐的量。 当第一浴中的中毒离子/盐的浓度达到最大值时,第一浴被丢弃并被第二浴代替,并且最初不含有中毒阳离子/盐的第三浴替代第二离子交换浴。 浴的这种循环可以重复以产生多个玻璃制品,每个玻璃制品具有处于预定限度内的压缩应力和深度的表面层。

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