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Corning Incorporated patents


Recent patent applications related to Corning Incorporated. Corning Incorporated is listed as an Agent/Assignee. Note: Corning Incorporated may have other listings under different names/spellings. We're not affiliated with Corning Incorporated, we're just tracking patents.

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Method and removing peripheral portion of a glass sheet

Process for removing peripheral portions such as bead regions of a glass sheet including a step of pushing the glass sheet in the peripheral portion using a pushing mechanism such as a pushing bar, and corresponding apparatus. As a result of the use of the pushing mechanism, the engagement completion... Corning Incorporated

Glass ceramics

A group of glass-ceramic compositions nucleated with ZrO2 and P2O5 can develop a microstructure composed of spherulite grains, which produce a high fracture toughness (about 1.5 MPa·m0.5 or higher). Also, the glass-ceramic articles can be cerammed to have a CTE value of 30×10−7/° C. or lower.... Corning Incorporated

Process for sintering material

A method for processing material includes sintering a portion of a sheet of material at a location on the sheet, moving the sintering location along the sheet of material at a first rate, and pulling the sintered material away from the sintering location at a second rate that is greater... Corning Incorporated

Mechanically flexible and durable substrates and making

A flexible substrate are disclosed comprising an amorphous inorganic composition, wherein the substrate has a thickness of less than about 250 μm and has at least one of: a) a brittleness ratio less than about 9.5 (μm)−1/2, or b) a fracture toughness of at least about 0.75 MPa.(m)1/2. Electronic devices... Corning Incorporated

Methods and apparatuses for removing edges of a glass ribbon

A method and apparatus for forming a glass ribbon comprising a forming body configured to form a continuously moving glass ribbon that is drawn therefrom, a first heating or cooling apparatus to initiate a crack in a viscoelastic region of the continuously moving glass ribbon, and a second heating or... Corning Incorporated

Apparatuses and methods for laser processing transparent workpieces using non-axisymmetric beam spots

where FD is a dimensionless divergence factor comprising a value of 10 or greater.... Corning Incorporated

Optical fiber with low fictive temperature

Optical fibers having low fictive temperature and methods of making such fibers are described. Management of the cooling rate of an optical fiber during fiber draw permits control over the fictive temperature of the fiber. Non-monotonic cooling rates are shown to promote reductions in fiber fictive temperature. The non-monotonic cooling... Corning Incorporated

Skinning of ceramic honeycomb bodies

A ceramic honeycomb body having a skin that does not block partial cells extending from an inlet face to an outlet face at an outer periphery portion of the body. A method of making the ceramic honeycomb body having the skin includes disposing a sheet on an outer peripheral wall... Corning Incorporated

Low bend loss single mode optical fiber with bromine up-doped cladding

According to embodiments, an optical fiber may include a core portion comprising an outer radius rC and a maximum relative refractive index ΔCmax. A cladding may surround the core portion and include a low-index trench and an outer cladding. The low index trench may surround the core portion and includes... Corning Incorporated

Texture gradient for uniform light output from a transparent backlight

A light diffusing component and a method of making is disclosed. The light diffusing component may include a substrate sheet and at least one scattering layer. The substrate sheet may have a back side and an edge. The edge may be configured to receive a light source. The at least... Corning Incorporated

Method and system for selective noncatalytic nox reduction

Disclosed herein are methods for treating an exhaust stream comprising NOx, the methods comprising receiving an exhaust stream and combining it with at least one nitrogen-containing reagent to form a combined stream, heating the combined stream to a reaction temperature ranging from about 870° C. to about 1100° C. to... Corning Incorporated

Thermally enhanced glass manufacturing apparatus and method

A glass forming apparatus and method include a cooling mechanism in a wall of the apparatus that enhances radiation heat transfer between the glass and the wall of the apparatus and is tunable in both the vertical and horizontal directions. The apparatus and method also include a heating mechanism that... Corning Incorporated

Optical fibers having a varying clad index and methods of forming same

An optical fiber with low attenuation and methods of making same are disclosed. The optical fiber has a core, an inner cladding surround the core, and an outer cladding surrounding the inner cladding. The outer cladding is chlorine-doped such that the relative refractive index varies as a function of radius.... Corning Incorporated

Glass packaging ensuring container integrity

A strengthened glass container or vessel such as, but not limited to, vials for holding pharmaceutical products or vaccines in a hermetic and/or sterile state. The strengthened glass container undergoes a strengthening process that produces compression at the surface and tension within the container wall. The strengthening process is designed... Corning Incorporated

Fused thiophene-arylthiadiazole polymers, methods of making such polymers, and uses thereof

Described herein are compositions including heterocyclic organic compounds. More specifically, described herein are bicyclic thiadiazole-based compounds that are combined with fused thiophenes structures, along with methods for making such compounds, and uses thereof.... Corning Incorporated

High refractive index nanocomposites

A composite coating having a high refractive index, high Abbe number, low haze and high transmittance, suitable for fabricating nanoscale optical surface features includes a resin with a crosslinked polymer matrix having polymers with repeat units derived from acrylic or methacrylic monomers or oligomers and inorganic nanoparticles disposed within the... Corning Incorporated

Millimeter wave heating of soot preform

An improved process for preheating and doping a preform having a consolidated glass core and a silica soot cladding surrounding core involves waveguiding millimeter wavelength electromagnetic radiation into the preform to cause heating of the preform within the interior via absorption of the electromagnetic radiation by silica in the preform... Corning Incorporated

Flow reactor for photochemical reactions

A flow reactor for photochemical reactions comprises an extended flow passage (20) surrounded by one or more flow passage walls (22), the flow passage having a length and a light diffusing rod (30) having a diameter of at least 500 μm and a length, with at least a portion of... Corning Incorporated

Apparatus and heating a metallic vessel

Disclosed is an apparatus and method of making molten glass. The apparatus includes a vessel for conveying the molten glass and at least one flange configured to supply an electric current to the vessel through the flange, the flange including a first ring extending completely around the vessel in a... Corning Incorporated

High strength antimicrobial glass

A method of making a glass having antimicrobial properties and high compressive stress. The method includes a first ion exchange step in which potassium cations are exchanged for sodium cations in the base glass to provide a surface layer under compressive stress, followed by a second ion exchange in which... Corning Incorporated

Exhaust gas treatment article and methods of manufacturing same

An article, includes a porous ceramic honeycomb body and a housing disposed on at least one of an outer periphery of the porous ceramic honeycomb body and opposing end faces of the porous ceramic honeycomb body, wherein the housing exerts a compressive force on the porous ceramic honeycomb body in... Corning Incorporated

Edge strength testing methods and apparatuses

Apparatus and method for testing a sheet of brittle material comprising the steps of measuring one or more edge features of a sheet of brittle material, imparting a bend to the sheet of brittle material and producing relative motion between the sheet and the bend such that the bend traverses... Corning Incorporated

Low surface roughness substrate having a via and methods of making the same

Methods of forming a via in substrates include etching a damage region extending through a thickness of a stack of a plurality of substrates removably bonded together. Each of the substrates in the stack has at least one surface removably bonded to a surface of another substrate in the stack,... Corning Incorporated

Illuminating surgical device having light diffusing fiber

An illumination system for a surgical device is provided. The illumination system includes a tubular body made of a light permeable material and having at least one lumen extending between a distal end and a proximal end. The illumination system further includes a light source. At least one light diffusing... Corning Incorporated

Systems for and methods of drying the skin of a cellular ceramic ware

Systems for and methods of drying a wet skin of a wet skinned ceramic ware are disclosed. The wet skinned ceramic ware includes a dry interior web with an outer surface. The wet skin is disposed on the outer surface of the dry interior web. The method includes generating an... Corning Incorporated

Methods and apparatuses for detecting volatile organic compounds in glass packaging processes

A method for measuring volatile organic compounds includes loading glass containers into an oven, heating the oven, purging the oven with dry clean air, collecting a volumetric portion of an oven exhaust, trapping volatile organic compounds from the volumetric portion, and measuring the volatile organic compounds trapped in the trap.... Corning Incorporated

Low bend loss optical fiber

Disclosed herein are optical waveguide fibers comprising: (I) a core comprising an outer radius r1, a maximum refractive index delta percent Δ1 max and core alpha, α, of larger than 5; and (II) a cladding surrounding the core, the cladding comprising: (i) an inner cladding region having outer radius r2... Corning Incorporated

Touch-screen assembly with rigid interface between cover sheet and frame

A touch-screen assembly for performing pressure sensing or force sensing is disclosed. The touch-screen assembly includes a cover sheet having touch-sensing capability and a frame having an upper surface portion. Spaced-apart adhesive islands are disposed between the cover sheet and the upper surface portion of the frame. The adhesive islands... Corning Incorporated

Articles having holes with morphology attributes and methods for fabricating the same

Articles including a glass-based substrate with holes, semiconductor packages including an article with holes, and methods of fabricating holes in a substrate are disclosed. In one embodiment, an article includes a glass-based substrate having a first surface, a second surface, and at least one hole extending from the first surface.... Corning Incorporated

Rapid heating rate article for microwave methods

A microwave susceptor article having an advantageous microwave heating rate property and cooling rate property, including: a substrate; a metallic-containing layer on at least one major surface of the substrate; and optionally a protective coating on or associated with the metallic layer, as defined herein. Also disclosed are a method... Corning Incorporated

Laser ming a high purity fused silica glass sheet with micro-crenellations

A system and method for sintering a thin, high purity fused silica glass sheet having a thickness of 500 μm or less, includes a step of rastering a beam of a laser across a sheet of high purity fused silica soot; wherein a pattern of the rastering includes tightly spacing... Corning Incorporated

Laser cutting and processing of display glass compositions

The present invention relates to a laser cutting technology for cutting and separating thin substrates of transparent materials, for example to cutting of display glass compositions mainly used for production of Thin Film Transistors (TFT) devices. The described laser process can be used to make straight cuts, for example at... Corning Incorporated

Single mode optical fibers with brillouin frequency-shift management

The single-mode optical fibers have a core region that includes an inner core region having a delta value Δ1 and a radius r1 immediately surrounded by an outer core region of radius r2 and a delta value Δ2<Δ1, wherein Δ1-Δ2 is in the range from 0.3% to 2%. A cladding... Corning Incorporated

Glasses and glass ceramics including a metal oxide concentration gradient

Embodiments of a glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about... Corning Incorporated

03/01/18 / #20180059162

Multi-fiber identification using jacket color

A machine vision system for identifying optical fibers is provided that includes a support plate supporting one or more optical fibers. The one or more optical fibers each include a jacket. A light source is configured to emit light onto the one or more optical fibers. An imager is positioned... Corning Incorporated

03/01/18 / #20180059309

Textured surfaces for display applications

A substrate with a textured surface is disclosed. The substrate may be, for example, a light emitter comprising a light guide, for example a backlight element for use in a display device, wherein a surface of the light guide, for example a glass substrate, is configured to have a textured... Corning Incorporated

03/01/18 / #20180062342

Laser cutting of materials with intensity mapping optical system

A method of laser processing a workpiece, the method comprising focusing a pulsed laser beam into a laser beam focal line directed into the workpiece, the laser beam focal line generating an induced absorption within the material, and the induced absorption producing a defect line along the laser beam focal... Corning Incorporated

02/22/18 / #20180050947

Glass manufacturing apparatus and methods

A glass manufacturing apparatus including a delivery vessel including a body portion with a cylindrical inner surface extending along a central axis of the body portion. In one embodiment, an upper end of the body portion is substantially equal to or lower than an uppermost portion of a travel path... Corning Incorporated

02/22/18 / #20180050949

Method and making a profiled tubing and a sleeve

An apparatus for making a profiled tubing includes a mandrel adapted for positioning proximate a tubing. The mandrel has a nozzle section with a select cross-sectional profile that will define a final cross-sectional profile of the tubing. The nozzle section has a feed chamber for receiving a gas and a... Corning Incorporated

02/22/18 / #20180050952

Zircon compatible, ion exchangeable glass with high damage resistance

An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B2O3, and alkali metal oxides, and contains boron cations having three-fold coordination. The glass, when ion exchanged, has a Vickers crack initiation threshold of at least... Corning Incorporated

02/22/18 / #20180050961

Uv photobleaching of glass having uv-induced colorization

A method of UV photobleaching a glass sample having UV-induced colorization is disclosed. The processed includes first irradiating the glass sample with colorizing UV radiation having a colorizing wavelength of λC<300 nm to form the colorized glass, which has a pink hue. The method then includes irradiating the colorized glass... Corning Incorporated

02/22/18 / #20180051242

Cell culture system with manifold

A cell culture apparatus includes cell culture units having cell culture chambers, each with at least one manifold. The manifold connects the cell culture unit to a fluid flow channel. The manifold has a dam which allows liquid to pool in the manifold and allows for the creation of an... Corning Incorporated

02/22/18 / #20180051247

Proteinase-free coatings for colony passaging

A cell culture article includes a substrate having a polymer coating that is conducive to colony passaging of cells cultured on the coating. Example polymer coatings are formed from polygalacturonic acid (PGA), alginate, or combinations thereof. Cells cultured on the polymer coating can be separated from the substrate as a... Corning Incorporated

02/22/18 / #20180052263

Privacy filter

A louver structure is formed in a layer on a transparent substrate or embedded in the photosensitive substrate to form a privacy filter. The louver structure is made of an alternating arrangement of non-transparent strip elements and transparent strip elements or spaces. The louver structure is created by mask and... Corning Incorporated

02/22/18 / #20180053677

Apparatus and method to electrostatically chuck substrates to a moving carrier

An electrostatic chucking apparatus includes a movable member arranged for movement relative to an axial axis, at least one electrostatic chuck coupled to the movable member, and a stationary member. At least one moving insulated electrode is coupled to the movable member, and at least one stationary insulated electrode is... Corning Incorporated

02/22/18 / #20180054904

Methods and providing improved visual and optionally tactile features on a substrate

Methods and apparatus provide for an improved visual and optionally tactile features on a visible element of an article, such as a consumer electronic device (e.g., a mobile electronic device, a mobile phone, a smartphone, a tablet, a phablet, a notebook computer, a laptop, etc.).... Corning Incorporated

02/15/18 / #20180043458

Apparatuses and methods for scoring a glass article

Disclosed herein are methods and apparatuses for scoring a glass article, including positioning a plasma flame of a plasma torch and the glass article in close proximity to one another; and moving the plasma torch across a surface of the glass article to form at least one indentation in the... Corning Incorporated

02/15/18 / #20180043572

Manufacturing line, process, and sintered article

A manufacturing line includes a tape of green material that is directed through a furnace so that the furnace burns off organic binder material and then partially sinters the tape without the use of a setter board. Sintered articles resulting from the manufacturing line may be thin with relatively large... Corning Incorporated

02/15/18 / #20180044215

System for forming a glass article

A system includes an overflow distributor and a support member. The overflow distributor includes a first sidewall, a second sidewall opposite the first sidewall, and a floor extending between the opposing first and second sidewalls. Interior surfaces of the first sidewall, the second sidewall, and the floor cooperatively define a... Corning Incorporated

02/15/18 / #20180044218

Glass ribbon breaking devices and methods of producing glass sheets

Methods of producing a glass sheet each comprise the step of creating a vacuum to force the entire lateral portion of the glass ribbon to engage an anvil portion of a breaking device in the elastic zone. The vacuum is provided by a plurality of pressure zones that are operated... Corning Incorporated

02/15/18 / #20180044219

Edge chamfering methods

Processes of chamfering and/or beveling an edge of a glass or other substrate of arbitrary shape using lasers are described herein. Three general methods to produce chamfers on glass substrates are disclosed. The first method involves cutting the edge with the desired chamfer shape utilizing an ultra-short pulse laser. Treatment... Corning Incorporated

02/15/18 / #20180044231

Methods for reducing surface defects

Methods for reducing a defective area in a strengthened substrate to produce a non-defective substrate are provided. The methods include contacting a strengthened defective substrate with a heated salt bath containing at least one monovalent salt, and removing the strengthened substrate from the bath. The strengthened substrate, before being contacted... Corning Incorporated

02/15/18 / #20180044560

High temperature stable, low outgassing composition, protective tape comprising such composition and use of such tape with thin glass

A composition includes a curable material component with a backbone of a completely or substantially completely hydrogenated hydrocarbon based rubber material which is completely or substantially free of carbon-carbon double and triple bonds, a photoinitiator component, and an inert filler. The composition, when cured, is stable at 250C and is... Corning Incorporated

02/15/18 / #20180044784

Apparatus and method to coat glass substrates with electrostatic chuck and van der waals forces

A chucking apparatus and methods for coating a glass substrate using a vacuum deposition process are disclosed. In one or more embodiments, the chucking apparatus includes an ESC (ESC), a carrier disposed on the ESC, wherein the carrier comprises a first surface adjacent to the ESC and an opposing second... Corning Incorporated

02/15/18 / #20180045863

Optical assembly having microlouvers

An optical assembly includes a transparent substrate having a first major surface and a second major surface. The transparent substrate includes one or more damage layers disposed between a first non-damage layer and a second non-damage layer. Elongated laser-induced damage tracks are disposed within the damaged layer(s) to form at... Corning Incorporated

02/08/18 / #20180036945

Additive manufacturing processes for making transparent 3d parts from inorganic materials

Additive manufacturing processes for making transparent three-dimensional parts from inorganic material powders involve selective use of vacuum to remove or avoid trapped bubbles in the parts.... Corning Incorporated

02/08/18 / #20180037487

Continuous glass processing apparatus and processing flexible glass ribbon

A method of selecting a radius of curvature for a conveying structure (22) of a continuous glass processing apparatus for processing a flexible glass ribbon (20) having a thickness of no more than about 0.3 mm is provided. The method includes identifying a thickness of the flexible glass ribbon (20).... Corning Incorporated

02/01/18 / #20180029030

Honeycomb ceramic substrates, honeycomb extrusion dies, and methods of making honeycomb ceramic substrates

A honeycomb ceramic substrate, a method of making thereof, and a honeycomb extrusion die configured to extrude a honeycomb ceramic substrate from a batch of ceramic or ceramic-forming material is provided. The substrate may include a lattice of intersecting walls defining a honeycomb network of flow channels extending between an... Corning Incorporated

02/01/18 / #20180029165

Methods and apparatuses for laser processing materials

Methods of laser processing a transparent material are disclosed. The method may include positioning the transparent material on a carrier and transmitting a laser beam through the transparent material, where the laser beam may be incident on a side of the transparent material opposite the carrier. The transparent material may... Corning Incorporated

02/01/18 / #20180029919

Apparatuses and methods for laser processing

A workpiece may be laser processed by a method that may include forming a contour line in the workpiece, and directing an infrared laser beam onto the workpiece along or near the contour line to separate the workpiece along the contour line. The contour line may include defects in the... Corning Incorporated

02/01/18 / #20180029920

Processing 3d shaped transparent brittle substrate

Methods are provided for laser processing arbitrary shapes of molded 3D thin transparent brittle parts from substrates with particular interest in substrates formed from strengthened or non-strengthened Corning Gorilla® glass (all codes). The developed laser methods can be tailored for manual separation of the parts from the panel or full... Corning Incorporated

02/01/18 / #20180029922

Silicate glasses having low seed concentration

A fining agent for reducing the concentration of seeds or bubbles in a silicate glass. The fining agent includes at least one inorganic compound, such as a hydrate or a hydroxide that acts as a source of water. In one embodiment, the fining agent further includes at least one multivalent... Corning Incorporated

02/01/18 / #20180029923

Glasses having improved toughness and scratch resistance

A silicate glass that is tough and scratch resistant. The toughness is increased by minimizing the number of non-bridging oxygen atoms in the glass. In one embodiment, the silicate glass is an aluminoborosilicate glass in which −15 mol %≦(R2O+R′O—Al2O3—ZrO2)—B2O3≦4 mol %, where R is one of Li, Na, K, Rb,... Corning Incorporated

02/01/18 / #20180029929

Optical structures and articles with multilayer stacks having high hardness and methods for making the same

Optically transparent articles and structures that include or are otherwise disposed on a substantially transparent substrate. These articles and structures also include a stack of N (N>2) bi-layers on the substrate, the stack having a thickness of at least 5 nm. Each bi-layer is defined by (a) a first layer;... Corning Incorporated

Patent Packs
02/01/18 / #20180029932

Glasses and glass ceramics including a metal oxide concentration gradient

Embodiments of a glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about... Corning Incorporated

02/01/18 / #20180029933

Methods of fabricating channels in glass articles by laser damage and etching and articles made therefrom

A method for forming a glass article and the corresponding glass article are provided. The method for forming a glass article includes providing a glass substrate sheet, and translating a pulsed laser beam on the glass substrate sheet. The pulsed laser forms a laser damage region extending from first surface... Corning Incorporated

02/01/18 / #20180031760

Single-mode large effective area optical fibers

Optical fibers having a large effective area are disclosed. Three main embodiments of the optical fiber allow for single-mode operation at wavelengths of 850 nm, 980 nm and 1060 nm, respectively and have a large effective area with low bend losses. The large effective area optical fiber is expected to... Corning Incorporated

02/01/18 / #20180031761

Low loss single mode fiber with chlorine doped core

An optical fiber comprising: (i) a chlorine doped silica based core comprising a core alpha (α)>10, and maximum refractive index delta Δ1max % and Cl concentration >1 wt %; (ii) a cladding surrounding the core, the cladding comprising: (a) an inner cladding region adjacent to and in contact with the... Corning Incorporated

02/01/18 / #20180031762

Single mode optical fiber with chlorine doped core and low bend loss

Single mode optical fibers with a chlorine doped core and a cladding having a fluorine doped trench region are disclosed. The optical fiber includes a chlorine doped silica core having a core alpha α≧10, a core radius r1 and maximum refractive index delta Δ1max % and a Cl concentration≧0.9 wt... Corning Incorporated

02/01/18 / #20180031767

System and positioning an optical preform in a furnace

A system for positioning an optical preform in a furnace is provided that includes an upper muffle and a downfeed handle assembly with a tube defining a first end and a second end, the second end extending into the upper muffle. A handle is disposed within the tube. A second... Corning Incorporated

02/01/18 / #20180031904

Angular filters and display devices comprising the same

Disclosed herein are light filters comprising a glass substrate having a surface patterned with a plurality of spaced apart rings, wherein each ring has an outer diameter independently ranging from about 10 microns to about 100 microns, and wherein the light filter has a haze of less than about 20%.... Corning Incorporated

02/01/18 / #20180035538

Ceramic and polymer composite, methods of making, and uses thereof

A ceramic and polymer composite including: a first continuous phase comprising a sintered porous ceramic having a solid volume of from 50 to 85 vol % and a porosity or a porous void space of from 50 to 15 vol %, based on the total volume of the composite; and... Corning Incorporated

01/25/18 / #20180022635

Transparent silicate glasses with high fracture toughness

Provided herein are glass based articles comprising SiO2, Al2O3, and two or more metal oxides selected from the group consisting of La2O3, BaO, Ta2O5, Y2O3, and HfO2. The glass based articles typically are characterized by a high fracture toughness (e.g., at least 0.86 MPa*m0.5), a high Young's modulus value (e.g.,... Corning Incorporated

01/25/18 / #20180022636

Ion-exchanged glass of high surface compression and shallow depth of layer with high resistance to radial crack formation from vickers indentation

Disclosed are alkali aluminosilicate glasses having unexpected resistance to indentation cracking. The glasses obtain this high resistance as a result of a high level of surface compression accompanied by a shallow depth of layer. The advantaged glasses show greater resistance to radial crack formation from Vickers indentation than glasses with... Corning Incorporated

01/25/18 / #20180022637

Ion exchangeable glass with high crack initiation threshold

Alkali aluminosilicate glasses that are resistant to damage due to sharp impact and capable of fast ion exchange are provided. The glasses comprise at least 4 mol % P2O5 and, when ion exchanged, have a Vickers indentation crack initiation load of at least about 7 kgf.... Corning Incorporated

01/25/18 / #20180022638

Ion exchangeable li-containing glass compositions for 3-d forming

According to one embodiment, a glass article may include SiO2, Al2O3, Li2O and Na2O. The glass article may have a softening point less than or equal to about 810° C. The glass article may also have a high temperature CTE less than or equal to about 27×10−6/° C. The glass... Corning Incorporated

01/25/18 / #20180022640

Ion exchangeable glass, glass ceramics and methods for making the same

Glass-ceramics and precursor glasses that are crystallizable to glass-ceramics are disclosed. The glass-ceramics of one or more embodiments include rutile, anatase, armalcolite or a combination thereof as the predominant crystalline phase. Such glasses and glass-ceramicsmay include compositions of, in mole %: SiO2 in the range from about 45 to about... Corning Incorporated

01/25/18 / #20180023948

Brillouin-based distributed bend fiber sensor and using same

A Brillouin-based distributed bend fiber sensor and method for using the Brillouin-based distributed bend fiber sensor are described herein. In one example, the Brillouin-based distributed bend fiber sensor is specially configured to measure a temperature distribution (ΔT), a bend angle β, and a bend radius R along a deployed fiber... Corning Incorporated

01/25/18 / #20180024276

Optical elements with stress-balancing coatings

Optical elements with coatings having low surface figure are described. The optical element includes coatings on two or more surfaces. At least one of the coatings includes a stress-compensating layer. In the absence of the stress-compensating layer, the coatings are mismatched in stress. The difference in stress increases surface figure... Corning Incorporated

Patent Packs
01/25/18 / #20180024291

Low bend loss single mode optical fiber with chlorine updoped cladding

An optical fiber having both low macrobend loss and low microbend loss. The fiber has a central core region, a first (inner) cladding region surrounding the central core region and having an outer radius r2>16 microns and relative refractive index Δ2, and a second (outer) cladding region surrounding the first... Corning Incorporated

01/18/18 / #20180016179

A glass-carrier assembly and methods for processing a flexible glass sheet

A method of processing a flexible glass sheet having a thickness of equal to or less than 300 μm includes separating an outer edge portion of the flexible glass sheet from a bonded portion of the flexible glass sheet along a separation path while the bonded portion of the flexible... Corning Incorporated

01/18/18 / #20180016183

Dimensionally stable fast etching glasses

Substantially alkali free glasses are disclosed with can be used to produce substrates for flat panel display devices, e.g., active-matrix liquid crystal displays (AMLCDs). The glasses have high annealing temperatures and etch rates. Methods for producing substantially alkali free glasses using a downdraw process (e.g., a fusion process) are also... Corning Incorporated

01/18/18 / #20180016184

Ion exchangeable glass containing boron and phosphorous

Ion exchangeable glasses containing SiO2, Al2O3, Na2O, MgO, B2O3, and P2O5 are provided. The compressive stresses of these ion exchanged glasses are greater than 900 megapascals (MPa) at a depth of 45 or 50 microns (μm) with some glasses exhibiting a compressive stress of at least 1 gigaPascals (GPa). The... Corning Incorporated

01/18/18 / #20180016186

Use of arsenic-free chalcogenide glasses for hot-melt processing

Disclosed herein are methods for producing glass articles by hot-melt processing techniques. The methods involve the use of arsenic-free chalcogenide glasses. Despite the absence of arsenic, the chalcogenide glasses have low characteristic temperatures and are stable against crystallization. The low characteristic temperatures render the glasses capable of being hot-melt processed... Corning Incorporated

01/18/18 / #20180016188

Laser controlled ion exchange process and glass articles formed therefrom

A method for forming ion-exchanged regions in a glass article by contacting an ion source with at least one surface of the glass article, forming a first ion-exchanged region in the glass article by heating a first portion of the glass article with a laser, and forming a second ion-exchanged... Corning Incorporated

01/18/18 / #20180017719

Methods of reducing surface roughness of reflectance coatings for duv mirrors

A method of reducing surface roughness of DUV reflectance coatings for a DUV mirror to improve the reflectance of the DUV mirror includes: forming the reflectance coating on a substrate, the reflectance coating including a film stack comprising multiple dielectric layers, including an uppermost layer. The method also includes adding... Corning Incorporated

01/18/18 / #20180019419

Photo-patternable gate dielectrics for ofet

Articles utilizing polymeric dielectric materials for gate dielectrics and insulator materials are provided along with methods for making the articles. The articles are useful in electronics-based devices that utilize organic thin film transistors.... Corning Incorporated

01/18/18 / #20180019442

Waveguides comprising light extraction nanostructures and display devices comrpising the same

Disclosed herein are OLED devices comprising waveguides including at least one waveguide layer comprising at least one inorganic nanoparticle and at least one binder and having an RMS surface roughness of less than about 20 nm. Lighting and display devices comprising such OLED devices are further disclosed herein as well... Corning Incorporated

01/11/18 / #20180009197

Bendable glass articles with alkali-free glass elements

A bendable stack assembly that includes a glass element having a composition substantially free of alkali ions, an elastic modulus of about 40 GPa to about 100 GPa, a final thickness from about 20 μm to about 100 μm, a first primary surface substantially in tension upon a bending of... Corning Incorporated

01/11/18 / #20180009694

Method, system, and equipment for glass material processing as a function of crystal state

A method of processing a glass material includes guiding and/or focusing light from a light source to glass material in a hot stage of a processing system, where the light source provides light at a wavelength λ that interacts with crystals that may be formed in the glass material. The... Corning Incorporated

01/11/18 / #20180009698

Method for reforming glass tubes into glass sleeves

A method for producing a glass sleeve having a first flattened portion and shaping tools for forming such glass sleeves. A method can comprise providing a substantially cylindrical glass tube—optionally polished or otherwise treated to reduce or remove interior imperfections—heating the glass tube to a temperature within the softening range... Corning Incorporated

01/11/18 / #20180010718

Complex structures in refractory bodies and methods of forming

A method of forming complex structures in a ceramic-, glass- or glass-ceramic-body microfluidic module is disclosed including the steps of providing at green-state refractory-material structure comprising least a portion of a body of a microfluidic module, providing a removeable insert formed of a carbon or of a carbonaceous material having... Corning Incorporated

01/11/18 / #20180011225

Coatings of non-planar substrates and methods for the production thereof

A coated article may comprise a substrate and an optical coating. The substrate may have a major surface comprising a first portion and a second portion. A first direction that is normal to the first portion of the major surface may not be equal to a second direction that is... Corning Incorporated

01/11/18 / #20180014420

Display screen protector

Disclosed are device display screen protectors comprising a first strengthened substrate sized to cover a display screen of an electronic device, the first strengthened substrate having a central tension value in the range greater than 0 MPa and less than 20 MPa, a surface having a Knoop lateral cracking scratch... Corning Incorporated

01/04/18 / #20180001434

Methods for strengthening edges of laminated glass articles and laminated glass articles formed therefrom

Methods for strengthening edges of a laminated glass article comprising a glass core layer positioned between a first glass clad layer and a second glass clad layer are disclosed. The methods may comprise polishing the cut edges of the laminated glass article with a slurry of polishing media applied to... Corning Incorporated

01/04/18 / #20180001511

Wear resistant coatings for tool dies

A tool die for forming a green ceramic body. The tool die has a wear resistant coating that is deposited on a substrate and has an outer or free surface having a morphology that provides a mean roughness in a range from about 0.03 μm up to about 0.8 μm... Corning Incorporated

01/04/18 / #20180001517

Method and system for crack-free drying of high strength skin on a porous ceramic body

A method and system to dry crack-free and high strength skin including an inorganic binder of an average particle size (D50) in a range between 10 nm and 700 nm on a porous ceramic body. The method includes supporting the honeycomb body on an end face such that axial channels... Corning Incorporated

01/04/18 / #20180002216

Methods for thermally treating glass articles

According to one embodiment, a method for thermally treating glass articles may include holding a glass article at a treatment temperature equal to an annealing temperature of the glass article =15° C. for a holding time greater than or equal to 5 minutes. Thereafter, the glass article may be cooled... Corning Incorporated

01/04/18 / #20180002217

Method of making optical fiber preform with pressed soot

According to some embodiments method for making an optical fiber preform comprises the steps of: (i) placing a plurality of rods with an outer surface having a coefficient of friction 0.02≦COF≦0.3 into an inner cavity of an apparatus; (ii) placing particulate glass material in the inner cavity between the rods... Corning Incorporated

01/04/18 / #20180002221

Low loss optical fibers with fluorine and chlorine codoped core regions

A co-doped optical fiber is provided having an attenuation of less than about 0.17 dB/km at a wavelength of 1550 nm. The fiber includes a core region in the fiber having a graded refractive index profile with an alpha of greater than 5. The fiber also includes a first cladding... Corning Incorporated

01/04/18 / #20180002223

Glasses and glass ceramics including a metal oxide concentration gradient

Embodiments of a glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about... Corning Incorporated

01/04/18 / #20180002224

Methods for treating glass articles

Methods for increasing the hydrolytic resistance of a glass article are disclosed. According to one embodiment, the method includes providing a glass article with a pre-treatment hydrolytic titration value. Thereafter, the glass article is thermally treated at a treatment temperature greater than a temperature 200C less than a strain temperature... Corning Incorporated

01/04/18 / #20180002660

Spheroid cell culture article and methods thereof

optionally a chamber annex surface and second bottom, and at least a portion of the transparent bottom includes at least one concave arcuate surface, is disclosed. Methods of making and using the article are also disclosed.... Corning Incorporated

01/04/18 / #20180003477

Method and system for measuring geometric parameters of through holes

A method of measuring geometric parameters of through holes in a thin substrate includes acquiring images of select sub-volumes of the substrate using an optical system having a field of depth greater than a thickness of the substrate. The acquired images are processed to determine the desired geometric parameters.... Corning Incorporated

01/04/18 / #20180003890

Coated low loss optical fiber with small diameter

A multi-purpose optical fiber with coating is provided. The optical fiber can function as a transmission fiber or as a coupling fiber for optical data links that features low coupling loss to silicon photonics lasers, VCSELs, single mode transmission fibers, multimode transmission fibers, and high speed receivers. The fiber includes... Corning Incorporated

01/04/18 / #20180004044

Electrodeless organic light-emitting device and lcd systems using same

An electrodeless organic light-emitting device (10) and LCD systems using same are disclosed. The electrodeless organic light-emitting device (10) includes an organic light-emitting structure (200) with at least one organic light-emitting layer (250), and an illuminator (100) operably disposed to illuminate the organic light-emitting structure (200) with redirected light (114D).... Corning Incorporated

01/04/18 / #20180005822

Glass-based article with engineered stress distribution and making same

Disclosed herein are glass-based articles having a first surface having an edge, wherein a maximum optical retardation of the first surface is at the edge and the maximum optical retardation is less than or equal to about 40 nm and wherein the optical retardation decreases from the edge toward a... Corning Incorporated

01/04/18 / #20180005847

Carrier substrates for semiconductor processing

A carrier substrate includes a base layer having a first surface, and having a second surface that is parallel to and opposite of the first surface. The carrier substrate further includes a glass layer bonded to the first surface of the base layer. The carrier substrate has a Young's modulus... Corning Incorporated

01/04/18 / #20180005922

Inorganic wafer having through-holes attached to semiconductor wafer

A process comprises bonding a semiconductor wafer to an inorganic wafer. The semiconductor wafer is opaque to a wavelength of light to which the inorganic wafer is transparent. After the bonding, a damage track is formed in the inorganic wafer using a laser that emits the wavelength of light. The... Corning Incorporated

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01/04/18 / #20180005960

Glass substrate and display device comprising the same

Disclosed herein are methods for making a thin film device and/or for reducing warp in a thin film device, the methods comprising applying at least one metal film to a convex surface of a glass substrate, wherein the glass substrate is substantially dome-shaped. Other methods disclosed include methods of determining... Corning Incorporated








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