Abstract: A three-dimensional (3D) print engine includes (A) a plurality of walls laterally defining a build chamber, (B) a build box including a build plate, (C) a powder dispenser, (D) a beam system for fusing layers of powder, (E) a peripheral plate disposed between the build plate and the plurality of walls and having an upper surface, (F) a gas inlet that ejects a gas flow stream that passes over the build plate and the peripheral plate, (G) a gas outlet that receives the gas flow stream, (H) a plurality of projecting structures mounted to and extending above the upper surface of the peripheral plate, and (I) a gas handling system coupled to the gas inlet and gas outlet. The plurality of projecting structures shape the flow field of the gas flow stream to provide a more uniform velocity of gas flow velocities above the build plane.

Abstract: Systems and methods for printing a printed circuit board (PCB) from substrate to full integration utilize a laser-assisted deposition (LAD) system to print a flowable material on top of a substrate by laser jetting to create a PCB structure to be used as an electronic device. One such system for PCB printing includes a jet printing unit, an imaging unit, curing units, and a drilling unit to print metals and other materials (epoxies, solder masks, etc.) directly on a PCB substrate such as a glass-reinforced epoxy laminate material (e.g., FR4) or others. The jet printing unit can also be used for sintering and/or ablation of materials. Printed materials are cured by heating or by infrared (IR) or ultraviolet (UV) radiation. PCBs produced according to the present systems and methods may be single-sided or double-sided.

Abstract: A method comprises inserting a press-fit element into a through hole on a substrate board. The method also comprises obtaining a target heat-application plan for the press-fit element. The method also comprises applying heat to the press-fit element. The method also comprises determining that the target heat-application plan has been completed. The method also comprises withdrawing heat from the press-fit element.

Abstract: This invention relates to a method for calibrating the delay settings of a laser or scanner head in a laser additive manufacturing process. More particularly, the invention relates to calibrating delay settings during run-ins and run-outs of a laser scanning process.

Abstract: A three-dimensional structure is formed when layers of a material are deposited onto a substrate and scanned with a high energy beam to at least partially melt each layer of the material. Upon scanning the layers at predetermined locations a tube device having a first tube and a second tube intersected with the first tube is formed.

Abstract: A laser cutting system for cutting articles, such as tubes, and method of using the same. The laser cutting system can cut slots, holes, and/or pores into each article or tube to form filtration tubes, for example. The system includes a delivery system for delivering a laser beam from a laser source, at least one mirror, a focusing objective lens, a gas source, and a delivery nozzle. A first stage holds each article in a longitudinal direction, and may rotate the article axially during delivery of the gas and laser beam towards the article and move the article longitudinally relative to the delivery nozzle. A second stage is provided in the system for moving the delivery nozzle relative to the article being held by the first stage. A controller controls actuation of the laser beam and the gas source, and movement of the first stage and the second stage.

Abstract: A non-metallic media substrate includes a disc-shaped substrate body having at least one media storage surface on a face thereof. The substrate body has a center opening having an inner diameter and an outer diameter surface, and the substrate body has a thickness. The substrate further includes an annular groove at the outer diameter of the media substrate, the annular groove having chamfered edges and an internal concavity extending toward the inner diameter.

Abstract: The present disclosure provides a beam converting optical system that is small and has high divergence angle, and provides a light source device. Beam converting optical system according to an aspect of the present disclosure includes first optical element and second optical element. First optical element is a cylindrical lens. The cylindrical lens of first optical element has first optical surface and second optical surface. First optical surface has positive refractive power. Second optical element is a cylindrical lens. The cylindrical lens of second optical element has third optical surface and fourth optical surface. Third optical surface has negative refractive power. Laser beam converges at focal area. Focal area is between first optical element and second optical element.

Abstract: A laser irradiation apparatus (1) according to an embodiment includes a laser generation device (14) configured to generate laser light, and a levitation unit (10) configured to levitate an object to be processed (16) to which the laser light is applied. The levitation unit (10) includes a first area and a second area, and the first and second areas are arranged so that, in a plane view, a focal point of the laser light overlaps the first area and the focal point of the laser light does not overlap the second area. A surface part of the second area is formed of a metal member.

Abstract: A system for additive manufacturing a medical device, the system comprising a first dispensing system, a second dispensing system, a deposition apparatus, and a deposition substrate on a surface of which the deposition apparatus is configured to deposit at least one elastomeric material into a filament. The deposition apparatus receives the at least one elastomeric material from the first and second dispensing systems in proportions effecting a desired property in the medical device. The deposition apparatus may comprise heating and/or cooling elements, a sonic vibration module, and/or a pneumatic suck-back valve. The deposition substrate may have a configuration corresponding to a desired shape of the medical device and is configured to rotate and/or translate relative to the deposition apparatus. The system comprises a controller configured to control the deposition.

Abstract: An anti-ice system includes an anti-ice element and an electronic processing system. The electronic processing system is configured to determine an icing condition encounter prior to an aircraft entering a region of the icing condition and provide a control signal for causing the anti-ice element to heat a surface or device of the aircraft before the aircraft enters the region.

Abstract: System for 2D and 3D metal processing with fiber optic laser and plasma, that includes CNC for cutting metal plates with fiber optic laser and plasma and a robot arm for cutting and welding metals with fiber optic laser. The system is characterized because it includes three processes in one single equipment: metal cutting with fiber optic laser, metal cutting with plasma and metal welding with fiber optic laser. The equipment has a computer numerical control (CNC) system and a working area of 1200×3000 mm for cutting metals; it has two cutting heads, one for fiber optic laser and one for plasma as well as one 360° rotating robot arm on which the laser welding head or the laser cutting head can be placed for 3D welding, or cutting circular or rectangular pipes, respectively.

Abstract: A laser powder bed fusion additive manufacturing system for producing a part by creating a power map that is an intelligent feed forward model to control the laser powder bed fusion additive manufacturing for producing the part and using the power map to control the laser powder bed fusion additive manufacturing for producing the part. This includes an apparatus for producing a part including a powder bed, a laser that produces a laser beam, a proportional integral derivative controller that creates a power map that describes laser power requirements as the laser moves along a path, wherein the laser power requirements prevent defects in the part.

Abstract: An apparatus for finishing a component includes at least one articulating arm having a shot peening apparatus and at least one laser source. A plurality of laser redirectors are configured to redirect a laser originating from the laser source. Each laser redirector in the plurality of laser redirectors is mounted to a first rail and a second rail. A controller is controllably coupled to the articulating arm and each of the rails such that output signals from the controller control a position of the articulating arm, and a position of each laser redirector in the plurality of laser redirectors.

Abstract: A method of providing additive manufacturing includes the steps of (a) developing a plurality of layers to result in a final shape product, (b) developing a space filling algorithm to develop a path, (c) estimating a temperature at a location along the path in an existing direction of the path, and (d) comparing the estimated temperature to a desired temperature and altering the existing direction of the path should the estimated temperature differ from the desired temperature by a predetermined amount. An additive manufacturing system is also disclosed.

Abstract: A manufacturing computer device for dynamically adapting additive manufacturing of a part is configured to store a build file for building the part including one or more build parameters and receive build information. The manufacturing computer device is also configured to compare the sensor information to the one or more build parameters to determine one or more differences. The computer device is further configured to determine one or more adjustments to the one or more build parameters. Moreover, the computer device is configured to generate an updated build file based on the one or more adjustments. In addition, the computer device is further configured to transmit the updated build file to at least one machine of the plurality of machines for manufacture.

Abstract: An additive manufacturing head includes: a nozzle configured to discharge material powder; a rotary member connected with the nozzle, including a first material powder passage formed in the rotary member to direct the material powder to the nozzle, and configured to rotate to cause the nozzle to move in the circumferential direction about a laser beam emitted toward the workpiece; and a stationary member including a second material powder passage which is formed in the stationary member and into which the material powder is introduced, the stationary member being disposed directly beside the rotary member in the direction of the rotational axis of the rotary member. A third material powder passage communicating with the first material powder passage and the second material powder passage and extending annularly about the rotational axis of the rotary member is formed between the stationary member and the rotary member.

Abstract: A method for producing a device support base in an embodiment according to the present disclosure includes step A of providing a support base having a first surface and a second surface parallel to the first surface; step B of forming a laser beam in a first direction parallel to the first surface of the support base; and step C of translating or rotating the laser beam in a second direction parallel to the first surface of the support base and crossing the first direction to remove at least a part of protruding portions or contamination elements on the first surface of the support base.

Abstract: A rotating tool system attachment on the spindle of a computer numerical control (“CNC”) machine includes a rotating assembly mounted on a static assembly. The rotating assembly provides a continuous supply of a wire material for deposition on a substrate during an additive manufacturing process. The rotating assembly includes a material supply housing a feedstock of wire mounted on a rotating spindle and a wire feeder configured to draw the wire from the wire supply and provide the wire for application during the additive manufacturing process. The tool system can be attached to the spindle of CNC machine to provide additive manufacturing capabilities to the CNC machine.

Abstract: A method for measuring a temperature of a process area is provided. A simulation computation is performed to obtain a simulation temperature. A ratio-pyrometer with two one-color modes is used to measure the temperature of the process area, and a first emissivity value and a second emissivity value are acquired. An emissivity ratio is set to a ratio of the second emissivity value to the first emissivity value, and the ratio-pyrometer in the two-color mode is used to measure the temperature of the process area.

Abstract: A thermal properties measuring device is for measuring a thermal property of an object to be measured. The thermal properties measuring device includes a heating element, a measurement window, and at least one thermometer. The heating element is configured to be heated to a first temperature. The measurement window and the heating element are disposed according to a specific geometric relationship. The measurement window is configured to provide a heat transfer path between the object and the heating element. The thermometer is configured to measure an initial temperature of the to-be-measured object, and to measure a measured temperature after the heating element is heated. The measured temperature of the object is different from the initial temperature of the object. The thermal property of the object is associated with the specific geometric relationship, the first temperature, the initial temperature, the measured temperature and an environment temperature.

Abstract: A welded joint between at least one metal material element and at least one thermoplastic material element is obtained by pressing the elements against each other while applying heat. Contact surfaces of the metal material, which are in contact with the thermoplastic material, are provided with uneven surface portions having a distribution of asperities. With heat applied, the thermoplastic material fills spaces between these asperities and maintains this configuration after subsequent cooling, thereby improving strength of the joint. The uneven surface portions are obtained in a preliminary forming step of the metal material in a press mold, which is configured with a forming surface for generating the uneven surface portions by mechanical deformation and/or with a device for guiding a laser or electron beam. By this technique, hybrid components are obtained made of one or more elements of metal material between which a shaped component of thermoplastic material is interposed.

Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.

Abstract: A pattern forming photo-curing layer is heated, thereby enabling quick shaping. A pattern manufacturing apparatus (100) includes a controller (101), a laser projector (102), and a heater (103). The controller (101) controls the laser projector (102) to form a pattern on a pattern forming sheet (130) placed on a stage (140). The laser projector (102) includes an optical engine (121), and the controller (101) controls the laser projector (102) to irradiate the pattern forming sheet (130) with a light beam from the optical engine (121). The heater (103) heats the pattern forming sheet (130).

Abstract: The extraction of a three-dimensional (3D) object is facilitated using a printed hint, which includes an additional shape that is printed along with the 3D object in a granular-based printer bed. In example implementations, the hint is indicative of a location of the 3D object. In one example, a hint has a dimension indicative of a depth to the object in the printer bed. In another example, a position of a hint is indicative that the object is below, and a size of the hint is based on a size of the object. Some hints can also protect the object. Examples include plate and shell-shaped hints. The object is located under a plate hint or within a shell hint. Further, an appearance of the object or indications of the sturdiness of different parts of the object can be printed on the hint to facilitate a safe extraction of the object.

Abstract: The present application relates to the technical field of 3D printing apparatus, and discloses an electron beam melting and cutting composite 3D printing apparatus which comprises a box and an electron beam gun, in which the box has a cavity formed therein, the cavity is provided therein with a cutting structure, a first Y-direction guide rail and a Y-direction movable platform, the electron beam gun has an emitting head formed in the cavity, the Y-direction movable platform is provided thereon with a Z-direction movable platform, the Z-direction movable platform is provided thereon with a powder spreading structure, the cutting structure has a cutting head, a shielding case is arranged between the emitting head and the Z-direction movable platform, the emitting head of the electron beam gun is inserted in an upper opening of the shielding case, and a lower opening of the shielding case is aligned with the Z-direction movable platform.

Abstract: A method is provided for welding a substrate, in which an energy source and/or a material feed is or are moved in an oscillating motion over the surface of the substrate. The oscillating movement in a vertical and/or horizontal direction during welding results in smaller grains, which prevent the formation of fractures during welding.

Abstract: Surface energy of a substrate is changed without the need for any template, mask, or additional coating medium applied to the substrate. At least one beam of energy directly ablates a substrate surface to form a predefined topographical pattern at the surface. Each beam of energy has a width of approximately 25 micrometers and an energy of approximately 1-500 microJoules. Features in the topographical pattern have a width of approximately 1-500 micrometers and a height of approximately 1.4-100 micrometers.

Abstract: An aperture plate for a welding apparatus includes a body defining an aperture. The body of the aperture plate includes a first end and a second end that is opposite the first end. In addition, the body includes a first surface intersecting the first and second ends. Moreover, the body includes a second surface formed opposite the first surface. The second surface is nonparallel to the first surface.

Abstract: A laser processing apparatus capable of imparting heat sealing properties to a biaxially stretched polyester film through a method having high efficiency and high safety. The laser processing apparatus includes a laser oscillator, where a film formed of a single layer of a biaxially stretched polyester or a laminate containing a layer of a biaxially stretched polyester on the surface is irradiated with laser light emitted from the laser oscillator, to impart heat sealing properties to a region of the film irradiated with the laser light. The laser processing apparatus may include an optical element which shapes a spot profile of the laser light into a predetermined profile, and may also include a film mounting part which mounts the film.

Abstract: The invention relates to a method of forming a coating or of three-dimensional structural elements on substrate surfaces which is/are formed by TiAl. Said coating/Said three-dimensional structural elements is/are manufactured by laser build-up welding. The procedure is followed in the method in accordance with the invention that titanium and aluminum are supplied into the region of influence of at least one laser beam in wire and/or band form in a pure or alloyed form in each case as a single wire or a single band. They are melted by the thermal input and in this respect the materials are mixed with one another. The coating or three-dimensional structural elements are thereby formed with TiAl on the substrate surface.

Abstract: A method and apparatus comprising a laser unit and a controller. The laser unit is configured to generate a number of laser beams. The controller is configured to operate the laser unit to generate the number of laser beams resulting in a desired level of heating of a composite patch that cures the composite patch on a composite structure.

Abstract: An annealing object is held at a position on which a laser beam output from a laser light source is incident. An infrared detector detects heat radiation light from the annealing object. An optical element which does not allow light having a wavelength shorter than 1 ?m to be incident on the infrared detector is disposed in a pathway of the heat radiation light from the annealing object to the infrared detector.

Abstract: A nozzle and shroud for use in an air cycle machine has a plate and a shroud curving in a first axial direction about a center axis of the shroud relative to the plate. A plurality of vanes extends in a second axial direction away from the plate. The plurality of vanes extends for a height away from the plate and a width defined as the closest distance between two adjacent vanes, with a ratio of the height to the width being between 0.1091 and 0.1401. An air cycle machine and a method of repair are also disclosed.

Abstract: A nozzle and shroud for use in an air cycle machine has a plate and a shroud curving in a first axial direction about a center axis of the shroud relative to the plate. A plurality of vanes extends in a second axial direction away from the plate. The plurality of vanes extends for a height away from the plate and a width defined as the closest distance between two adjacent vanes, with a ratio of the height to the width being between 1.3653 and 1.7992. An air cycle machine and a method of repair are also disclosed.

Abstract: A nozzle and shroud for use in an air cycle machine has a plate and a shroud curving in a first axial direction about a center axis of the shroud relative to the plate. A plurality of vanes extends in a second axial direction away from the plate. The plurality of vanes extends for a height away from the plate and a width defined as the closest distance between two adjacent vanes, with a ratio of the height to the width being between 1.7377 and 2.1612. An air cycle machine and a method of repair are also disclosed.

Abstract: A nozzle for use in an air cycle machine has a plate. A plurality of vanes extends in a second axial direction away from the plate. The plurality of vanes extends for a height away from the plate and a width defined as the closest distance between two adjacent vanes, with a ratio of the nozzle height to the nozzle width being between 0.3563 and 0.4051. An air cycle machine and a method are also disclosed.

Abstract: A nozzle for use in an air cycle machine has a plate. A plurality of vanes extend away from the plate. The plurality of vanes extend for a height away from the plate. A width is defined as the closest distance between two adjacent vanes. A ratio of the height to the width is between 3.253 and 3.800. An air cycle machine and a method of repair are also disclosed.

Abstract: Strengthened glass articles having laser etched features, electronic devices, and methods of fabricating etched features in strengthened glass articles are disclosed. In one embodiment, a strengthened glass article includes a first strengthened surface layer and a second strengthened surface layer under a compressive stress and extending from a first surface and a second surface, respectively, of the strengthened glass article to a depth of layer, and a central region between the first strengthened surface layer and the second strengthened surface layer that is under tensile stress. The strengthened glass article further includes at least one etched feature formed by laser ablation within the first surface or the second surface having a depth that is less than the depth of layer and a surface roughness that is greater than a surface roughness of the first surface or second surface outside of the at least one etched feature.

Abstract: A thermoplastic resin finely-foamed reflective sheet, containing: a foamed layer; and non-foamed layers, each of which has a thickness of 150 ?m or less and 30 ?m or more, and which are provided one above the other while sandwiching the foamed layer between the non-foamed layers, wherein the thermoplastic resin finely-foamed reflective sheet has an integrated structure, wherein the foamed layer is a thermoplastic resin finely-foamed product having a homogeneous bubble structure, in which an average bubble diameter is 10 ?m or less and 0.5 ?m or more, and in which a bubble number density is 1×106/mm3 or more and 1.0×1012/mm3 or less, and wherein at least one of the non-foamed layers comprises a functionality-providing layer.

Abstract: Disclosed are methods of hardfacing a glass mold made of cast iron, bronze, or steel comprising: machining an edge of the mold so as to form a flat surface, for example a flat spot or a chamfer; depositing a determined quantity of hardfacing material on the flat surface of the edge thereby machined, the hardfacing material comprising a metal or a metal alloy; and, simultaneously, locally welding the hardfacing material on the flat surface by means of a beam of a laser, so as to form a reinforcement zone.

Abstract: A cutting tool for cutting a hard brittle material is formed from a light-transmittable material through which laser light can pass and is provided with a rake angle, the laser light is propagated through the cutting tool, the cutting tool and the hard brittle material are brought into contact with each other, the laser light is incident to at least a contact part where the cutting tool and the hard brittle material are in contact with each other and a part with the rake angle, the laser light except for Fresnel reflection light on an end surface of the cutting tool is incident to the hard brittle material through the contact part and the rake angle part to soften the hard brittle material, and the softened hard brittle material is cut.

Abstract: A method for removing matrix from a composite material comprising reinforcement embedded in a matrix and having a thickness bounded by the first surface and a second surface of the composite material. A laser is oriented with a beam axis of the laser approximately perpendicular to the first surface of the composite material. The laser travels over a region of the first surface of the composite material, wherein the laser removes a portion of or the entire thickness of the composite matrix at the region while leaving the reinforcement of the composite material intact.

Abstract: The present invention relates to a method for forming a three-dimensional article through successive fusion of applied powder. Said method comprising the steps of: providing at least one powder hopper comprising powder to be used for forming said three-dimensional article, providing a predetermined amount of powder at a build support, directing an energy beam over said build support causing at least a portion of said powder to sinter and causing at least a portion of said powder to bond to said build support, directing an energy beam over said build support causing said powder to fuse in selected locations according to a model to form a first portion of said three-dimensional article, rotating said build support around an axis of rotation for creating said three-dimensional article, which three-dimensional article is build up layer by layer in a radial direction with respect to said axis of rotation.

Abstract: An apparatus and method are provided for laser deposition welding of powdery welding material. The powdery welding material is conveyed via a nozzle coaxial with respect to a laser beam directed in a focused manner with a constant focal length onto a processing region through the nozzle onto the processing region. Optical elements are arranged in a laser optical unit for the shaping and guidance of the laser beam. The laser optical unit is attached to a processing head and can be moved with the processing head parallel to the laser beam by a first drive. The plane of the focal point can thereby be changed with respect to the surface. The nozzle can be moved independently of the laser optical unit parallel to the optical axis of the laser beam by a second drive.

Abstract: A joined heterogeneous material includes a carbon steel material and an aluminum material which have been joined via friction-stir welding. The region of a weld zone with a low lift-up amount in a plastic flow area created during friction-stir welding is located on one side of the aluminum material with respect to the weld zone, created by a welding probe. The region of the weld zone with a high plastic flow area lift-up amount is located on the other side of the aluminum material.

Abstract: Semiconductor chips with curable out of specification measured values of an anneal-activated parameter are identified at a test step. A plurality of anneal plans are generated to include at least one of the identified semiconductor chips. A net yield improvement is calculated for each anneal plan. Each anneal plan includes the paths of a laser beam across the wafer to be irradiated, and optionally includes an azimuthal angle of the wafer as a function of time. The net yield improvement is the difference between an estimated yield improvement from selected target semiconductor chips for irradiation and an estimated yield loss due to collateral irradiation of functional semiconductor chips for each anneal plan. After simulating the net yield improvements for all the anneal plans, the anneal plan providing the greatest net yield improvement can be selected and utilized.

Abstract: Systems and methods for performing ultrafast laser annealing in a manner that reduces pattern density effects in integrated circuit manufacturing are disclosed. The method includes scanning at least one first laser beam over the patterned surface of a substrate. The at least one first laser beam is configured to heat the patterned surface to a non-melt temperature Tnonmelt that is within about 400° C. of the melt temperature Tmelt. The method also includes scanning at least one second laser beam over the patterned surface and relative to the first laser beam. The at least one second laser beam is pulsed and is configured to heat the patterned surface from the non-melt temperature provided by the at least one first laser beam up to the melt temperature.

Abstract: A selective layer melting or other additive layer fabrication method in which powdered material is fused by heating it with a pulsed laser, the pulses being modulated while the laser is traversing the substrate so as to control the thickness and/or width of the layer being formed. Initial layers of the fabrication structure may be formed more thickly than subsequent layers, e.g. by means of a CW laser, to reduce distortion. This aspect of the invention may be employed independently of the use of a pulsed laser to form the subsequent layers.

Abstract: A silicon carbide substrate having a main surface angled off in an off direction relative to a {0001} plane is prepared. A protruding first alignment mark is formed on the main surface of the silicon carbide substrate. A second alignment mark is formed on the first alignment mark by forming a silicon carbide epitaxial layer on the first alignment mark. The first alignment mark includes a first region and a second region, the second region being in contact with the first region and extending from the first region in the off direction. The second alignment mark includes a first portion formed on the first region and a second portion formed on the second region. An alignment step includes the step of capturing an image of the first portion while not including the second portion, and recognizing an edge of the first portion based on the image.