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公开(公告)号：US10649588B2
公开(公告)日：2020-05-12
申请号：US15518597
申请日：2015-10-14
Applicant: CORNING INCORPORATED
Inventor： Jaymin Amin , Shandon Dee Hart , Karl William Koch, III , Charles Andrew Paulson , William James Miller , Rostislav Vatchev Roussev
IPC: G06F3/044 , G06F3/041 , H01L41/08 , H01L41/113 , H01L41/187 , H01L41/04 , H01L41/047 , G06F3/043
Abstract: The disclosure is directed to piezoelectric film structures and sensors, and display assemblies using same. The piezoelectric film structure is transparent and includes: a substrate; a bottom optical layer disposed on or above the substrate; a bottom conducting layer disposed on or above the bottom optical layer; at least one piezoelectric layer disposed on or above the bottom conducting layer; a top conducting layer disposed on or above the at least one piezoelectric layer; and a top optical layer disposed on or above the top conducting layer. The sensor includes the piezoelectric film structure electrically connected to a signal processing system. The display assembly includes the sensor operably arranged relative to a display device. The piezoelectric film structures and sensors can be configured to determine one or more touch-sensing features associated with a touch event.
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公开(公告)号：US20190300426A1
公开(公告)日：2019-10-03
申请号：US16369613
申请日：2019-03-29
Applicant: CORNING INCORPORATED
Inventor： Qiang Fu , Jennifer Lynn Hunt , Rostislav Vatchev Roussev , Charlene Marie Smith , Alana Marie Whittier , Taylor Marie Wilkinson
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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23.发明申请公开(公告)号：US20190208652A1
公开(公告)日：2019-07-04
申请号：US16294022
申请日：2019-03-06
Applicant: CORNING INCORPORATED
Inventor： Timothy Michael Gross , Xiaoju Guo , Pascale Oram , Kevin Barry Reiman , Rostislav Vatchev Roussev , Vitor Marino Schneider , Trevor Edward Wilantewicz
CPC classification number: H05K5/0217 , C03C3/093 , C03C3/097 , C03C21/002 , H04B1/3888 , H04M1/0266 , H05K5/0017 , H05K5/03
Abstract: Glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t), and a stress profile are disclosed having a thickness (t) of about 3 millimeters or less, and wherein all points of the stress profile between a thickness range from about 0·t up to 0.3·t and from greater than 0.7·t, comprise a tangent with a slope that is less than about −0.1 MPa/micrometers or greater than about 0.1 MPa/micrometers. Also disclosed are glass-based articles having a thickness (t) in a range of 0.1 mm and 2 mm; and wherein at least one point of the stress profile in a first thickness range from about 0·t up to 0.020·t and greater than 0.98·t comprises a tangent with a slope of from about −200 MPa/micrometer to about −25 MPa/micrometer or about 25 MPa/micrometer to about 200 MPa/micrometer, and wherein all points of the stress profile in a second thickness range from about 0.035·t and less than 0.965·t comprise a tangent with a slope of from about −15 MPa/micrometer to about 15 MPa/micrometer.
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公开(公告)号：US20190202735A1
公开(公告)日：2019-07-04
申请号：US16296773
申请日：2019-03-08
Applicant: CORNING INCORPORATED
CPC classification number: C03C21/002 , C03C3/097
Abstract: A non-frangible glass article strengthened by a dual or two-step ion exchange (IOX) process, where the first IOX step leads to a depth of compressive layer FSM_DOL>0.1·t or, in some embodiments, FSM_DOL>0.15·t, where t is the thickness of the glass, is provided. The glass article has a compressive stress CS1 after the first IOX step at the surface of from 100 MPa to 400 MPa or, in some embodiments, from 150 MPa to 300 MPa. The first IOX step is followed by a second IOX step, leading to a “spike” compressive stress CS2 after the second IOX step at the surface of greater than 500 MPa or, in some embodiments, 700 MPa. The width of the spike generated by the second IOX is between 1 μm and 30 μm, or between 8 μm and 15 μm, using the criteria where the magnitude (absolute value) of the slope of the spike is higher than 20 MPa/μm.
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公开(公告)号：US20180290921A1
公开(公告)日：2018-10-11
申请号：US15567530
申请日：2016-04-21
Applicant: CORNING INCORPORATED
Inventor： Izhar Zahoor Ahmed , Guangli Hu , Rostislav Vatchev Roussev , Po-Jen Shih , Irene Marjorie Slater , Vijay Subramanian , Bin Zhang , Sam Samer Zoubi
Abstract: A strengthened article (and methods for making it) is provided that includes a glass, glass-ceramic or ceramic, having a plurality of primary surfaces, side edges, and a thickness. The article also includes a compressive stress region extending from one of the primary surfaces to a first selected depth in the article; a central region extending from a boundary located at a depth of 200 μm from the primary surfaces and the edges to the centroid of the article; and an outer region extending between the primary surfaces and edges to the boundary. Further, the maximum principal stress within the outer region is no more than two times the maximum principal stress within the central region. The primary surfaces and side edges may define a plurality of corners, and the corners may be defined by a chamfer, a fillet, or a curved shape.
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Patent Agency Ranking
公开(公告)号：US20170305786A1
公开(公告)日：2017-10-26
申请号：US15491531
申请日：2017-04-19
Applicant: CORNING INCORPORATED
Inventor： Rostislav Vatchev Roussev , Charlene Marie Smith
CPC classification number: C03C21/002 , C03C3/093 , C03C3/097 , H05K5/0017 , H05K5/0217
Abstract: Provided are methods of forming a chemically strengthened glass-based article. Certain methods comprise: providing a glass-based substrate comprising a first surface and a second surface opposing the first surface defining a thickness (t), a length dimension, a width, and a weight; and ion exchanging a plurality of alkali ions into the glass-based substrate to form a non-zero alkali metal oxide concentration that varies along at least a substantial portion of the thickness (t). The ion exchanging comprises immersing a glass-based substrate in a molten salt bath comprising at least about 90% by weight KNO3, and less than about 10% by weight NaNO3 for a time in the range of 70% to 130% of the ion exchange time that produces a peak central tension (CT) with the same molten salt bath composition and temperature. Also provided are ion exchanged glass-based articles prepared by said methods.
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公开(公告)号：US09676663B2
公开(公告)日：2017-06-13
申请号：US15332504
申请日：2016-10-24
Applicant: CORNING INCORPORATED
Inventor： Jaymin Amin , Benedict Osobomen Egboiyi , Jonathan David Pesansky , Kevin Barry Reiman , Rostislav Vatchev Roussev , Brian Paul Strines
CPC classification number: 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
Abstract: 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.
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28.发明申请公开(公告)号：US20170082577A1
公开(公告)日：2017-03-23
申请号：US15267392
申请日：2016-09-16
Applicant: CORNING INCORPORATED
CPC classification number: G01N27/60 , C03C21/002 , G01N27/72 , G01N33/386
Abstract: Methods of characterizing ion-exchanged chemically strengthened glass containing lithium are disclosed. The methods allow for performing quality control of the stress profile in chemically strengthened Li-containing glasses having a surface stress spike produced in a potassium-containing salt, especially in a salt having both potassium and sodium. The method allows the measurement of the surface compression and the depth of the spike, and its contribution to the center tension, as well as the compression at the bottom of the spike, and the total center tension and calculation of the stress at the knee where the spike and the deep region of the stress profile intersect. The measurements are for a commercially important profile that is near-parabolic in shape in most of the interior of the substrate apart from the spike.
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公开(公告)号：US09567254B2
公开(公告)日：2017-02-14
申请号：US14723815
申请日：2015-05-28
Applicant: Corning Incorporated
Inventor： Jaymin Amin , Benedict Osobomen Egboiyi , Pascale Oram , Jonathan David Pesansky , Kevin Barry Reiman , Rostislav Vatchev Roussev , Vitor Marino Schneider , Brian Paul Strines
CPC classification number: 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
Abstract: Chemically strengthened glass articles having at least one deep compressive layer extending from a surface of the article to a depth of layer DOL of about 130 μm up to about 175 μm or, alternatively, to a depth of compression (DOC) in a range from about 90 μm to about 120 μm within the article. The compressive layer has a stress profile that includes a first substantially linear portion extending from a relatively shallow depth to the DOL or DOC and a second portion extending from the surface to the shallow depth. The second portion is substantially linear at a depth from 0 μm to 5 μm and has a steeper slope than that of the first portion of the profile. Methods of achieving such stress profiles are also described.
Abstract translation: 化学强化的玻璃制品，其具有至少一个从制品表面延伸到深度约130μm至约175μm的层DOL的深度压缩层，或者可选地，在约 在制品内90μm至约120μm。 压缩层具有应力分布，其包括从较浅深度延伸到DOL或DOC的第一基本线性部分和从表面延伸到浅深度的第二部分。 第二部分在0μm至5μm的深度处基本上是线性的，并且具有比轮廓的第一部分的斜率更陡的斜率。 还描述了实现这种应力分布的方法。
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公开(公告)号：US20160122240A1
公开(公告)日：2016-05-05
申请号：US14932411
申请日：2015-11-04
Applicant: CORNING INCORPORATED
CPC classification number: C03C21/002 , C03C3/097
Abstract: A non-frangible glass article strengthened by a dual or two-step ion exchange (IOX) process, where the first IOX step leads to a depth of compressive layer FSM_DOL>0.1·t or, in some embodiments, FSM_DOL>0.15·t, where t is the thickness of the glass, is provided. The glass article has a compressive stress CS1 after the first IOX step at the surface of from 100 MPa to 400 MPa or, in some embodiments, from 150 MPa to 300 MPa. The first IOX step is followed by a second IOX step, leading to a “spike” compressive stress CS2 after the second IOX step at the surface of greater than 500 MPa or, in some embodiments, 700 MPa. The width of the spike generated by the second IOX is between 1 μm and 30 μm, or between 8 μm and 15 μm, using the criteria where the magnitude (absolute value) of the slope of the spike is higher than 20 MPa/μm.
Abstract translation: 通过双或两步离子交换（IOX）工艺加强的非易碎玻璃制品，其中第一IOX步骤导致压缩层的深度FSM_DOL> 0.1·t，或者在一些实施方案中为FSM_DOL> 0.15·t， 其中t是玻璃的厚度。 玻璃制品在表面的第一个IOX步骤之后的压应力CS1为100MPa至400MPa，或者在一些实施方案中为150MPa至300MPa。 第一个IOX步骤之后是第二个IOX步骤，导致在大于500MPa的表面处的第二个IOX步骤之后，或者在一些实施例中，700MPa，导致“尖峰”压缩应力CS2。 使用尖峰的斜率的大小（绝对值）高于20MPa /μm的标准，由第二IOX产生的尖峰的宽度在1μm至30μm之间或在8μm和15μm之间。
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