Abstract: A method for inspecting a transparent workpiece comprises: directing light from an illumination source onto a plurality of defects formed in the transparent workpiece, wherein the plurality of defects extends in a defect direction, wherein the transparent workpiece comprises a first surface and a second surface; detecting a scattering image signal from light scattered by the plurality of defects using an imaging system, wherein an imaging axis of the imaging system extends at a non-zero imaging angle relative to the defect direction, wherein entireties of at least a subset of the plurality of defects are within a depth of field of the imaging system; and generating a three-dimensional image of at least one of the plurality of defects based on the scattering signal.

Abstract: An exhaust treatment method and apparatus for treating an exhaust stream flowing through an exhaust line housing in a downstream direction, the apparatus comprising a first particulate filter, an SCR unit, and a second particulate filter downstream of the SCR unit, all serially positioned in the exhaust line.

Abstract: A method includes heating a glass preform having a plurality of glass layers and drawing the glass preform in a distal direction to form a drawn glass sheet extending distally from the glass preform and having the plurality of glass layers. The drawn glass sheet is thinner than the glass preform. The drawn glass sheet can be rolled onto a collection spool. At least a portion of a glass layer can be removed from the drawn glass sheet. An exemplary glass sheet includes a first glass layer, a second glass layer adjacent to the first glass layer, and a thickness of at most about 0.1 mm. An exemplary ion exchanged glass sheet includes a thickness of at most about 0.1 mm and a surface layer that is under a compressive stress and extends into an interior of the glass sheet to a depth of layer.

Abstract: A method of manufacturing a ceramic honeycomb structure by mixing a ceramic precursor batch composition having a median particle diameter less than or equal to about 10 ?m and at least one starch-based pore former having a median particle diameter greater than or equal to about 10 ?m. The method also includes forming a mixture of ceramic precursor batch composition and a starch-based pore former into a green ceramic structure having a web structure, and firing the green ceramic structure to yield a ceramic honeycomb structure.

Abstract: An electrical heater and method for heating a catalyst. The electrical heater includes a honeycomb body having a central axis extending longitudinally therethrough. The honeycomb body includes a matrix of intersecting walls forming a plurality of cells extending axially through the honeycomb body. A plurality of electrodes are positioned about an outer periphery of the honeycomb body. The plurality of electrodes are arranged into a plurality of pairs of electrodes that comprises at least a first pair of electrodes and a second pair of electrodes. Each pair of electrodes includes a first electrode and a second electrode. An electrode length of the electrodes along the outer periphery is proportional to a central current path length between center points of the electrodes of that pair of electrode. The electrode lengths of the electrodes of the first and second pairs of electrode are different.

Abstract: A method for firing a green honeycomb body and for manufacturing a cordierite honeycomb body. The honeycomb body is heated from an initial kiln temperature to a first kiln temperature that is from about 300° C. to 400° C., at an oxygen concentration greater than 16%. The honeycomb body is heated to a second kiln temperature that is from about 600° C. to 700° C. at a second heating rate of greater than 125° C./hr. The honeycomb body is heated to a third kiln temperature that is from about 800° C. to 900° C. at a third heating rate that is less than or equal to the second heating rate. The honeycomb body is heated to a fourth kiln temperature that is from about 1300° C. to 1450° C. at a fourth heating rate that is less than or equal to the third heating rate.

Abstract: The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In embodiments, the glass composition may include 74-78 mol. % SiO2; X mol. % Al2O3, wherein X is 5-7; alkaline earth oxide comprising MgO and CaO, wherein: CaO is 0.1-1.0 mol. %; MgO is 4-7 mol. %; and a ratio (CaO (mol. %)/(CaO (mol. %)+MgO (mol. %)) is less than or equal to 0.5. The glass composition may further include Y mol. % alkali oxide, wherein the alkali oxide comprises 9-13 mol. % Na2O and less than or equal to 0.4 mol. % of a fining agent. The glass composition may be free of boron and compounds of boron.

Abstract: Apparatus and method for treating a substrate, for example texturing a substrate. In some embodiments, a masking material is applied to a surface of the substrate in a predetermined pattern, the surface thereafter contacted with an etchant that removes the masking material. Contacting the surface with the etchant produces multiple co-located textures. In other embodiments, the masking step can be eliminated, and the etchant is applied in a predetermined pattern to produce multiple co-located textures. In still other embodiments, the substrate has a chemical composition, and the substrate is exposed to a leachant that leaches at least one constituent of the chemical composition to produce a substrate with a varying chemical composition at the substrate surface.

Abstract: Apparatuses and methods for monitoring curing of photocurable material are disclosed. The methods generally include directing an ultraviolet cure light into a photocurable material, wherein the ultraviolet cure light causes the photocurable material to cure; directing a probe light into the photocurable material through an optical fiber during the cure; collecting a back reflection signal from the photocurable material with the optical fiber; and determining a refractive index change of the photocurable material during the cure.

Abstract: A method including transmitting an intensity-modulated light through a mode conditioner to generate a mode-conditioned intensity-modulated light in one or a plurality of launch conditions and transmitting the mode-conditioned intensity-modulated light through a multimode optical fiber under test (FUT) to excite a plurality of modes of the FUT. The method further includes converting the mode-conditioned intensity-modulated light transmitted through the FUT into an electrical signal, measuring, based on the electrical signal, a complex transfer function CTF(f) of the FUT, and obtaining an output pulse based on the measured complex transfer function CTF(f) from one or a plurality of launch conditions and an assumed input pulse using the equation: Pout (t)=?1(CTF(f)*(Pin(t))). Wherein, Pout (t) is the output pulse, ?1(CTF(f)*(Pin(t))) is the inverse Fourier transform of the function CTF(f)*(Pin (t)), and (Pin(t)) is the Fourier transform of the assumed input pulse.

Abstract: A method of increasing the lubricity of an extrusion component, the method comprising: functionalizing a surface of a wall of an extrusion body with PDA material to form a PDA treated surface; coating the PDA treated surface with a lubricious material; and heat treating the wall of the extrusion body for a time and a temperature sufficient to cause the lubricious material to adhere to the PDA material, and for the PDA material to adhere to the wall; wherein the surface of the wall is optionally oxidized prior to the functionalizing. Also an extrusion component comprising: an extrusion body comprising an inlet face and an outlet face, the body comprising a base structure comprising an internal wall defining at least a portion of an extrusion pathway from the inlet face to the outlet face, wherein at least part of the internal wall comprises a lubricious coating that defines at least part of the extrusion pathway.

Abstract: A fluid-operated gripping apparatus for holding a workpiece having a curved sidewall in a working orientation, and associated methods for gripping and holding a workpiece, are provided. Three fluid-operated actuators, each including an actuator rod and a moveable piston arranged within a cylinder, are equally spaced around a perimeter of a workpiece and receive fluid from a single pressurized fluid source. A fluid (e.g., hydraulic or pneumatic) circuit causes the actuators to extend during a closing stroke of the gripping apparatus according to the force equalization principle. Each actuator includes an end effector pivotally coupled with an actuator rod and configured to contact a surface of the workpiece at exactly two points. A backstop configured to contact an end face of the workpiece is coupled with a rotational joint.

Abstract: Glass-based articles comprise: a lithium-based aluminosilicate composition; a glass-based substrate having opposing first and second surfaces defining a substrate thickness (t), wherein t is less than or equal to 0.74 mm; and a stress profile comprising: a spike region extending from the first surface to a tail region. A stress profile comprises: a maximum compressive stress (CSmax) of greater than or equal to 450 MPa; a spike region extending from the first surface to a tail region; and the tail region extending to a center of the glass-based article; wherein the tail region comprises: a region of enhanced stress having a first average compressive stress (CSavg?1) of greater than or equal to 100 MPa; and a FSM depth of layer (DOLFSM) located at a depth of greater than or equal to 13 micrometers.

Abstract: Methods are provided for fabricating electrochromic devices that mitigate formation of short circuits under a top bus bar without predetermining where top bus bars will be applied on the device. Devices fabricated using such methods may be deactivated under the top bus bar, or may include active material under the top bus bar. Methods of fabricating devices with active material under a top bus bar include depositing a modified top bus bar, fabricating self-healing layers in the electrochromic device, and modifying a top transparent conductive layer of the device prior to applying bus bars.

Abstract: Disclosed herein are glass pharmaceutical vials having sidewalls of reduced thickness. In embodiments, the glass pharmaceutical vial may include a glass body comprising a sidewall enclosing an interior volume. An outer diameter D of the glass body is equal to a diameter d1 of a glass vial of size X as defined by ISO 8362-1, wherein X is one of 2R, 3R, 4R, 6R, 8R, 10R, 15R, 20R, 25R, 30R, 50R, and 100R as defined by ISO 8362-1. However, the sidewall of the glass pharmaceutical vial comprises an average wall thickness Ti that is less than or equal to 0.85*s1, wherein s1 is a wall thickness of the glass vial of size X as defined by ISO 8362-1 and X is one of 2R, 3R, 4R, 6R, 8R, 10R, 15R, 20R, 25R, 30R, 50R, and 100R as defined by ISO 8362-1.

Abstract: A particulate filter having a honeycomb structure of a matrix of interconnected porous walls including inlet cells and outlet cells defining a plurality of inlet channels and outlet channels, respectively, wherein at least a portion of the outlet cells are larger than any of the inlet cells, and a cross-sectional shape of at least some of the outlet channels is rectangular. Honeycomb extrusion dies, honeycomb bodies, honeycomb structures, and methods of manufacture are described, as are other aspects.

Abstract: Disclosed herein is a method and apparatus for back end control of translation and rotation of green ware (e.g., producible from ceramic extrudate). A green ware handling system (102) includes a back end assembly (129) that contacts a back end face (118B) of a green ware (116) and moves to push the green ware (116) along the support channel (114). In certain embodiments, the green ware handling assembly (102) includes a leading end assembly (128) to pull the green ware (116) and then transfer control to the back end assembly (129), which translates and also optionally rotates the green ware (116). This handoff increases the overall production rate of the green ware (116). In certain embodiments, the back end assembly (129) penetrates the back end face (118B) of the green ware (116) with cleat penetration features (312) to provide a secure engagement with the green ware (116) to rotate and translate the green ware (116) while also decreasing a depth of damage to the green ware (116).

Abstract: Foldable substrates have a first portion, a second portion, and a central portion positioned therebetween with a first transition region having a first central surface area of the central portion with a first average angle. In aspects, the first average angle is from about 176.10 to about 179.9° or from about 177.0° to about 179.9°. In aspects, a polymer angle is from 178.3° to about 179.9° or from about 179.10 to about 179.9°. Methods comprise disposing an etch mask over the first major surface of the foldable substrate before etching the foldable substrate. In aspects, the etch mask comprises a first polymer layer positioned between a first barrier layer and the first major surface. In aspects, the etch mask comprises a plurality of ink-jet printed shapes. Methods of measuring a contrast ratio comprise impinging a transparent apparatus with a collimated beam.

Abstract: A substrate including a via with a beveled overburden is disclosed. The substrate can include a substrate having a first surface, a second surface opposite the first surface, and a via passing from the first surface to the second surface. The via can be coated with a metallic layer that includes a first beveled overburden on the first surface, and the first beveled overburden can include a first outer edge that forms a first bevel angle greater than 95° with the first surface. The substrate can include a second beveled overburden that includes a second outer edge that forms a second bevel angle greater than 95° with the second surface. Methods of making the beveled overburdens are also disclosed.

Abstract: A dual-core optical fiber include a first waveguide comprising a first core longitudinal centreline and a second waveguide comprising a second core longitudinal centreline. The first and second waveguides extend through a common cladding through comprising a longitudinal centerline and an outer radius R4 that is less than or equal to 45 ?m. The first core longitudinal centerline and the second core longitudinal centerline are separated from one another by a waveguide-to-waveguide separation distance that is greater than or equal to 30 ?m. A cross-talk between the first and second waveguides is less than or equal to ?40 dB at 1310 nm, as measured over a length of 100 km of the dual-core optical fiber.