Abstract: An industrial decoration method in which a colored pattern (11) is made in the bulk of an article (1) made of transparent glass of composition including at least one metallic oxide of silver, of gold, or of copper, said method including the following successive steps: a step of laser irradiating the zone of said glass article that is to be colored; and a final step of annealing the irradiated glass; and being characterized in that a glass composition is used that includes cerium and that has a total content of antimony plus tin that is less than 100 ppm, and in that the step of laser irradiating the zone that is to be colored is performed with laser irradiation having a pulse duration that is less than or equal to 10?11 s, while delivering power to the glass at greater than 1012 W/cm2, and more preferably lying in the range 1012 W/cm2 to 5×1014 W/cm2 for decorating and marking glass articles.

Abstract: Methods of and devices for forming edge chamfers and through holes and slots on a material that is machined using a laser, such as an ultrafast laser. The shaped material has predetermined and highly controllable geometric shape and/or surface morphology. Further, a method of and a device for preventing re-deposition of the particles on a material that is machined using a laser, such as an ultrafast laser. A fluid is used to wash off the particles generated during the laser machining process. The fluid can be in a non-neutral condition, with one or more chemical salts added, or a condition allowing the coagulation of the particles in the fluid, such that the particles can be precipitated to avoid the reattachment to the machined substrate.

Abstract: A system and method for laser assisted bonding of semiconductor die. As non-limiting examples, various aspects of this disclosure provide systems and methods that enhance or control laser irradiation of a semiconductor die, for example spatially and/or temporally, to improve bonding of the semiconductor die to a substrate.

Abstract: Embodiments of the present invention generally relate to apparatus for and methods of measuring and monitoring the temperature of a substrate having a 3D feature thereon. The apparatus include a light source for irradiating a substrate having a 3D feature thereon, a focus lens for gathering and focusing reflected light, and an emissometer for detecting the emissivity of the focused reflected light. The apparatus may also include a beam splitter and an imaging device. The imaging device provides a magnified image of the diffraction pattern of the reflected light. The method includes irradiating a substrate having a 3D feature thereon with light, and focusing reflected light with a focusing lens. The focused light is then directed to a sensor and the emissivity of the substrate is measured. The reflected light may also impinge upon an imaging device to generate a magnified image of the diffraction pattern of the reflected light.

Abstract: An automobile structural member (2) has a closed transverse section shape constituted with a first composing member (12) and a second composing member (13). The first composing member (12) has a vertical wall portion (12c), a bent portion (12b), and an inward flange (12a), and has a load transmission portion (20) formed in at least a part of a region being a region between the bent portion (12b) and the second composing member (13) and being a region of an extension of the vertical wall portion (12c) toward the second composing member (13) and which joins the bent portion (12b) and the second composing member (13). Thereby, a bending and crushing performance can be improved.

Abstract: A laser processing device converges laser light at an object to be processed having a silicon part containing silicon mounted on a glass part containing glass with a resin part interposed therebetween so as to form a modified region within the object along a line to cut. The laser processing device comprises a laser light source emitting the laser light, a spatial light modulator modulating the laser light emitted from the laser light source, and a converging optical system converging the laser light modulated by the spatial light modulator at the object. When forming the modified region in the glass part, the spatial light modulator displays an axicon lens pattern as a modulation pattern so as to form converging points at a plurality of positions juxtaposed close to each other along a laser light irradiation direction.

Abstract: A manufacturing method is provided which utilizes a laser system. During an embodiment of this method, an object is arranged relative to a head of the laser system. A pattern of holes are formed in the object by ablating the object with a plurality of laser beams which are directed from the head.

Abstract: A method for machining a ceramic matrix composite (CMC), the method enhancing a machining speed for the ceramic matrix composite (CMC), includes: a step of scanning an irradiated portion of a surface of a machining target material by a laser head to irradiate the irradiated portion with laser light from the laser head, and forming a deteriorated layer on the irradiated portion of the surface of the machining target material; and a step of sequentially removing the deteriorated layer by an end mill, the deteriorated layer being formed on the irradiated portion, wherein the deteriorated layer is formed by heating the irradiated portion up to a predetermined temperature by irradiation of continuous oscillation laser light, and by forming a crack by irradiation of pulsed oscillation laser light.

Abstract: Good optical properties can be achieved in an optical waveguide made of polycrystalline silicon. A semiconductor layer that constitutes each of a first optical signal line, a second optical signal line, a grating coupler, an optical modulator, and a p-type layer of a germanium optical receiver is formed by a polycrystalline silicon film. Crystal grains of polycrystalline silicon exposed on an upper surface of the semiconductor layer include crystal grains having flat surfaces parallel to a first main surface of a semiconductor substrate, and crystal grains of polycrystalline silicon exposed on side surfaces (including side surfaces of a protrusion of a protruding portion) of the semiconductor layer include crystal grains having flat surfaces perpendicular to the first main surface of the semiconductor substrate.

Abstract: A laser-marked polymer workpiece is described. The workpiece has a transparent component and an opaque component applied to at least one region of the transparent component. A mark is introduced onto a surface of the opaque component facing the transparent component with at least one laser. The mark is introduced, via a laser, through the transparent component. The mark is a lightening of the surface of the opaque component on which the mark was introduced.

Abstract: A laser welding apparatus generates laser by a laser oscillator, converges the laser by a condenser lens, and applies the laser to an upper sheet and a lower sheet superposed together so as to weld the upper sheet and the lower sheet to each other. According to this apparatus, by laser irradiation, a melt pool Y is formed in the upper sheet and the lower sheet superposed together. Furthermore, by laser irradiation, the melt pool Y is caused to flow, and the upper sheet and the lower sheet are welded together.

Abstract: A laser system includes a laser configured to emit pulse bursts and a motion device in optical communication with the laser. The motion device moves a laser beam along a process path on a substrate and is configured to have a natural frequency that is greater than an operating frequency of the laser system. The laser system enables high and constant speed processing along tight radii in the process path, which is useful to form laser induced channels along the process path with equal spacing.

Abstract: The present invention relates to a laser material processing system for processing a workpiece by means of a laser beam, comprising an optical system having at least one optical component for focusing the laser beam to form a focal point on the workpiece or in a defined position relative to the workpiece, at least one inertial sensor for detecting a transitional and/or rotational acceleration of the at least one optical component of the optical system and/or the workpiece, and a processing unit connected to the at least one inertial sensor for determining a relative transitional and/or rotational acceleration between the focal point and the workpiece.

Abstract: There is described a method for manufacturing intaglio printing plates for the production of security papers, wherein a laser beam (2) is used to engrave intaglio printing patterns (3, 3.1, 3.2, 3.3) directly into the surface of a laser-engravable, especially metallic, printing plate medium (1), wherein laser engraving of the printing plate medium (1) is carried out layer by layer in several individual engraving steps performed one after the other in register so that the intaglio printing patterns (3, 3.1, 3.2, 3.3) are gradually engraved into the surface of the printing plate medium (1) up to desired engraving depths, the surface of the engraved printing plate medium (1) being cleaned from residues of the laser engraving process following and between each individual engraving step.

Abstract: A laser cutting device for transparent material (23), which device is designed to focus the laser light (2) into a plurality of predetermined spots within the material (23), wherein the spots lie on a predetermined cutting line or cutting area (24) running substantially perpendicularly to the direction of incidence of the laser light (2), wherein the device comprises means for mode conversion (3) into laser light having a helical phase front (5), which means can be brought into and out of the beam path of the laser light (2).

Abstract: A method for marking an article is disclosed which includes providing an article including a substrate, the substrate including a surface and a surface material, and forming a design on the surface of the substrate by applying a marking material to the surface wherein applying the marking material includes an additive manufacturing technique. Another method for marking an article further includes the surface having a first surface and second surface, the second surface defining a depression relative to the first surface, and forming a design on the surface of the substrate by applying a marking material to the second surface, the marking material forming a marking surface which is substantially flush with the first surface. The marked article formed by the methods includes a microstructure derived from the additive manufacturing technique.

Abstract: The present disclosure provides a method and a device for repairing a metal wire. The method includes: locating a first position on the metal wire to be repaired, the first position being at a first side of a break point on the metal wire to be repaired; and outputting a first laser beam in such a manner as to move from the first position toward the break point and scan a portion of the metal wire between the first position and the break point, so as to fuse the portion of the metal wire and enable fused metal to flow toward the break point to fill the break point.

Abstract: A method for laser shock peening (LSP) a workpiece is disclosed. The method may include identifying a geometry of the workpiece, determining a number of applications of LSP upon a first side and a second side of the workpiece, and sequencing the applications among the first side and the second side to minimize distortion.

Abstract: A laser aiming and illumination device comprising an illumination module, an illumination mode selector, a power module, an activation switch and a connection module. The illumination module including at least one of an illumination source and a laser source configured to be activated in a selected operating by actuation of the activation switch. The illumination mode selector configured to select said operating mode. The connection module releasably electrically connecting the power module and the illumination module.

Abstract: Various methods for laser welding biocompatible material for use in implantable medical devices are disclosed. A method for laser processing includes applying a laser beam to a biocompatible material comprising at least 85% by weight zirconium oxide (ZrO2) or “zirconia” in an oxygen-free environment and depleting the material of oxygen. The depletion of oxygen converts the zirconium oxide to elemental zirconium at an interface where the material is applied to the elemental zirconium. In one embodiment, the present invention provides for an implantable medical device or component thereof made of a biocompatible material comprising zirconium oxide. The device includes a substrate that has an intrinsic conductive pathway comprising elemental zirconium that extends from a first surface to a second surface of the substrate.

Abstract: A fully automated plasma sheet metal cutter that can be integrated into a HVAC coil-line and which increases the precision of cutting, decreases the time it takes to cut a particular component sheet metal part, and offers flexibility in cutting different sized and shaped holes or openings. Further, since the system is fully automated, it eliminates the error or cost attributed to a portion of the cutting process that heretofore has been associated with a manual laborer.

Abstract: A device is provide for operating a machine tool. The machine tool includes a rotation unit designed to rotate a workpiece about an axis of rotation with an adjustable rotational speed progression, and an ultra-short pulse laser for generating laser pulses, the laser being arranged such that material of the workpiece is removed by means of the laser pulses. The device is configured to adjust the rotational speed progression based on geometry data of a specified geometry and/or a specified surface quality characteristic value representative of a corresponding surface quality.

Abstract: A deicing method includes the steps of determining a necessary quantity of heat to substantially vaporize an interfacial layer between a solid surface and a layer of ice and applying pulsed heating at the interfacial layer. The pulsed heating is applied with the determined necessary quantity of heat to substantially vaporize the interfacial layer.

Abstract: A beam shaping system including: a first and second optical modules that are accommodated in a spaced-apart relationship in an optical path of light through the system to sequentially apply beam shaping to light incident thereon. The beam shaping system includes first and second alignment modules respectively carrying the first and second optical modules and operable for laterally positioning the optical modules with respect to the optical path. A calibration module of the beam shaping system is connectable to the first and second alignment modules and is operable to sequentially calibrate and align the respective lateral positions of the first and second optical modules with respect to the optical path. The system thereby enables shaping of an incoming light beam of given predetermined wave-front and lateral intensity distribution to form an output light beam having desired wave-front and desired lateral intensity distribution.

Abstract: The invention relates to a light source module (1) for a vehicle headlight (2), wherein the light source module (1) has at least one laser light source (3) and at least one luminous element (4) which can be excited by illumination with laser light to emit visible light and which can be irradiated by the laser light source (3), wherein the laser light source (3) and the luminous element (4) are arranged spaced apart from one another on a carrier element (5) and light source module (1) has means (5?, 6?; 5?, 6?) which are arranged on the carrier element (5) in order to be detachably mounted in the vehicle headlight. The invention also relates to a vehicle headlight (2) with at least one such light source module (1).

Abstract: A device for analyzing the material composition of an object via plasma spectrum analysis includes an optical assembly having a first aspheric mirror and a second aspheric mirror. The first and second aspheric mirrors have an aspheric surface profile. The first aspheric mirror is configured to receive a laser beam at non-normal incidence along a first axis. The optical assembly is configured such that the first aspheric mirror directs the beam to the object for plasma spectrum analysis along a second axis, the second axis being different from the first axis. The plasma emitted light emitted is collected coaxially along the second axis and redirected along the first axis in the opposite direction by the first aspheric mirror. The second aspheric mirror is configured to redirect a portion of the plasma emitted light along a third axis to a spectrometer for analysis.

Abstract: The present disclosure relates to the technical field of deep hole machining, particularly to a rear-mounted deep hole machining on-line detection and deviating correction device, which provide solution to the difficulty in observing the machining site and correcting the cutter deviation in deep hole machining. The device comprises a cutter bar provided with a plurality of iron blocks mounted uniformly in a circumferential direction, wherein each of the iron blocks is provided with a heating device in the interior thereof and a wear-resistant block mounted on the top thereof, wherein mounted on an end face of the other end of the cutter bar is a pyramid prism, wherein a laser transmitter and a photosensitive sensor are mounted in a height corresponding to the height range of the pyramid prism, wherein the incident beam emitted by the laser transmitter is oriented by a laser orientating block.

Abstract: The invention relates to a nozzle for laser cutting, comprising a nozzle body (1) comprising a first axial housing (5), a movable element (2) formed from an electrically insulating material and comprising a second axial housing (4), said movable element (2) being arranged in the first axial housing (5), and an elastic element (8) arranged in the first axial housing (5) between the nozzle body (1) and the movable element (2). According to the invention, the nozzle furthermore comprises an insert (3) comprising an axial passage (18) and a front portion (3a) forming a skirt that protrudes out of the second axial housing (4), said insert (3) being arranged in the second axial housing (4) of the movable element (2) and formed from an electrically conductive material. Associated laser head and apparatus. Laser cutting process employing such a nozzle.

Abstract: The invention relates to a nozzle for laser cutting, comprising a nozzle body (1) comprising a first axial passage (5); an external cover (13) comprising an axial housing (7), the nozzle body (1) being arranged at least partially in said axial housing (7); a movable element (3) comprising a second axial passage (4) and a front portion (3a) forming a skirt, said movable element (3) being arranged between the external cover (13) and the nozzle body (1) and being translationally movable in the axial housing (7) of the external cover (13); and an elastic element (8) arranged in the axial housing (7), between the external cover (13) and the nozzle body (1).

Abstract: An improved lamination molding apparatus which can remove the fume swiftly and efficiently away from the optical pathway of the laser beam, is provided.

Abstract: Material treatment is effected in a treatment region by at least two energy sources, such as (i) an atmospheric pressure (AP) plasma and (ii) an ultraviolet (UV) laser directed into the plasma and optionally onto the material being treated. During processing, the material being treated may remain substantially at room temperature. Precursor materials may be dispensed before, and finishing material may be dispensed after treatment. Precursors may be combined in the plasma, allowing for in situ synthesis and dry treatment of the material. Electrodes (e1, e2) for generating the plasma may comprise two spaced-apart rollers which, when rotating, advance the material through a treatment region. Nip rollers adjacent the electrode rollers define a semi-airtight cavity, and may have a metallic outer layer. Loose fibers and fragile membranes may be supported on a carrier membrane, which may be doped. Individual fibers may be processed. Electrostatic deposition may be performed. Topographical changes may be effected.

Abstract: An optical rotating device for injecting a laser beam may include deflection devices between which the injected laser beam may rotate in the optical rotating device, and an extraction device that may extract the laser beam after carrying out a predetermined number of rotations in the rotating device. The deflection devices may be arranged such that the position of the laser beam during extraction is dependent on the number of rotations carried out in the optical rotating device.

Abstract: The invention relates to methods and devices for analysis of samples using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). The invention provides methods and devices in which individual ablation plumes are distinctively captured and transferred to the ICP, followed by analysis by mass cytometry.

Abstract: A method and system are provided for implementing resistive defect performance mitigation for integrated circuits. A test is generated for identifying resistive defects. A first self heating repair process is performed for repairing resistive defects. Testing is performed to identify a mitigated resistive defect and a functional integrated circuit. Responsive to identifying a resistive defect not being mitigated and a functional integrated circuit, a second repair process is performed, then testing is performed again.

Abstract: A fiber laser beam machine includes a machining head that condenses a laser beam and irradiates the laser beam on a workpiece; a fiber that guides the laser beam output from a laser oscillator to the machining head; a fiber connector that fixedly joins the fiber to the machining head; a cable holding device such as a cable bear (registered trademark) that is flexible, is in a U shape, and houses the fiber; and a fixing section that fixedly joins the cable holding device to the machining head.

Abstract: The present invention relates to a structural component 1; 21; 31; 41, in particular for a motor vehicle body, comprising a cold-formed first formed part 2; 32; 42 and a warm-formed and hardened second formed part 3; 23; 33 with a variable thickness along a longitudinal extension L2 of the second formed part 3; 23; 33, wherein the second formed part 3; 23; 33 has a connection portion 7; 27; 37 for being connected to the first formed part 2; 32; 42, wherein the connection portion 7; 27; 37 is distanced from an outer edge 13 of the first formed part 2; 32; 42 such, that the structural component 1; 21; 31; 41 has a one-layered flange portion 12 of the first formed part 2; 32; 42 between the connection portion 7; 27; 37 and the outer edge 13, and wherein the first formed part 2; 32; 42 and the second formed part 3; 23; 33 are connected to each other by means of a high energy beam welding seam 19 along a connection edge 18 of the connection portion 7; 17; 27.

Abstract: A laser cleaving system includes a laser and a fixture including holders for respectively holding optical fiber ribbons at different angular positions. The fixture is rotatable relative to the laser for facilitating serial cleaving of the optical fiber ribbons. The fixture is configured for holding the ribbons in a predetermined manner so that the cleaved optical surfaces are of high quality and coplanar, such as when installed in a ferrule. For example, the fixture separates the ends of the ribbons from one another so that the ribbons being held by the fixture may be cleaved substantially independently from one another.

Abstract: A substrate is a substrate on which a first optical modulator and a second optical modulator are arranged in parallel along a width direction. A first prism moves, to a side opposite to the second optical modulator along the width direction of the substrate, an optical path of the first output light and the second output light that are obtained by light of the first wavelength being modulated by the first optical modulator. A second prism is arranged at a position away from the first prism along a longitudinal direction of the substrate and moves, to a side opposite to the first modulator along the width direction of the substrate, an optical path of the third output light and the fourth output light that are obtained by the light of the second wavelength being modulated by the second optical modulator.

Abstract: A method for producing a linear weakening in a flat decorative material having a point-like or spot-like area of action progressing along a machining direction of a laser light beam on the decorative material. The decorative material is set transversely with respect to the machining direction in the area of action in order to obtain a different weakening depth profile on the left and right of the weakening line predefined by the machining direction.

Abstract: The problems in accordance with the present invention are: to provide a DLC film, wherein a protective film having a segmented shape is easily formed, quality control of the protective film is improved, segmented shapes with a high degree of freedom (that are complicated) are possible, and the application of the DLC film is possible not only to two-dimensional shapes but also to three-dimensional shapes; and to provide a method for forming the DLC film. As solutions to the problems, there are provided a protective film and a method for producing the protective film, characterized by, when forming on a substrate the protective film having a segmented shape formed by depositing a film so that the film is formed divided into segments, masking the substrate using a drawing material so that segments having predetermined shapes are obtained, thereafter depositing the protective film, and then removing the masked part to form a spacing between segments.

Abstract: There is provided high power laser systems, high power laser tools, and methods of using these tools and systems for cutting, sectioning and removing structures objects, and materials, and in particular, for doing so in difficult to access locations and environments, such as offshore, underwater, or in hazardous environments, such as nuclear and chemical facilities. Thus, there is also provided high power laser systems, high power laser tools, and methods of using these systems and tools for removing structures, objects, and materials located offshore, under bodies of water and under the seafloor.

Abstract: The present invention generally relates to a method of fabricating a MEMS device. In the MEMS device, a movable plate is disposed within a cavity such that the movable plate is movable within the cavity. To form the cavity, sacrificial material may be deposited and then the material of the movable plate is deposited thereover. The sacrificial material is removed to free the mov able plate to move within the cavity. The sacrificial material, once deposited, may not be sufficiently planar because the height difference between the lowest point and the highest point of the sacrificial material may be quite high. To ensure the movable plate is sufficiently planar, the planarity of the sacrificial material should be maximized. To maximize the surface planarity of the sacrificial material, the sacrificial material may be deposited and then conductive heated to permit the sacrificial material to reflow and thus, be planarized.

Abstract: A phase corrector for laser trimming a component, the phase corrector comprising: a first correction structure located to a first side of the component, the first correction structure comprising first and second correction regions at first and second distances from the component; and a second correction structure located to a second side the component, the second correction structure comprising third and fourth correction regions at third and fourth distances from the component.

Abstract: A method for manufacturing a sealed structure in which few cracks are generated is provided. Scan with the laser beam is performed so that there is no difference in an irradiation period between the middle portion and the perimeter portion of the glass layer and so that the scanning direction is substantially parallel to the direction in which solidification of the glass layer after melting proceeds. More specifically, in a region where the beam spot is overlapped with the glass layer, scan is performed with a laser beam having a beam spot shape whose width in a scanning direction is substantially uniform. Further, as a laser beam with which the glass layer is irradiated, a laser beam (a linear laser beam) having a linear beam spot shape with a major axis and a minor axis which is orthogonal to the major axis.

Abstract: A bonding head 6 is provided with a tool base 8 in a housing 6A and a laser for transmitting laser beam L is configured such that the laser beam L transmitted through this tool base 8 can heat an electronic component 3 and bond the same to a substrate 2. A surface of a heat-radiating member 15 is provided in contact with a surface of the tool base 8 on which the laser beam L impinges. This heat-radiating member 15 has a light transmittance for transmitting the laser beam L and also has a thermal conductivity higher than the thermal conductivity of the tool base 8. The tool base 8 is heated during bonding treatment, but heat transmitted to the tool base 8 rapidly escapes to the heat-radiating member 15 having a higher thermal conductivity.

Abstract: The combustor has a laser ignitor mounted to the casing, remotely from the liner of the combustion chamber. The laser ignitor has an igniter beam path for igniting the fuel and air mixture in the combustion chamber, the igniter beam path extending at least partially across the air plenum surrounding the liner and into the combustion chamber through a corresponding beam path aperture provided in the liner.

Abstract: Method and system for laser cutting is disclosed. Using a novel dual-focus optical conversion unit. The dual-focus optical conversion unit may comprise a beam splitter and a convex mirror. The beam splitter may be insensitive to the polarization of an incident beam. The convex mirror may be placed beyond and parallel to the beam splitter, wherein the surface of the convex mirror may be coated with a reflective phase-retarder coating.

Abstract: An optical fiber is provided which has good laser beam condensation efficiency and is highly resilient, and a shockwave generating device employing same. An optical fiber is employed in an underwater shockwave generating device which projects a laser beam underwater and generates an underwater shockwave. The optical fiber includes a main body part, and a laser convergence part that is disposed upon a leading end thereof. The laser convergence part is configured so as to exhibit an approximately frustum shape wherein the diameter of the leading end is narrower than the diameter of the base end, and such that an interior angle with respect to a radial direction of a lateral face of an axial cross-section gradually decreases toward the front thereof.

Abstract: Devices for cutting interconnected plastic products for use in the medical sector provided in a continuous band of plastic, comprising a laser, a laser control system and an optical acquisition and data processing unit are disclosed. Devices for the manufacture of plastic products, such as finable or filled plastic containers for use in the medical sector, comprising a device for cutting interconnected plastic products provided in a continuous band of plastic as well as a process for cutting interconnected plastic products provided in a continuous band of plastic are disclosed. The optical acquisition unit may determine positional data for the interconnected plastic products provided in the band. From the positional data a cutting pattern may be calculated and transmitted to the laser control system.

Abstract: A focusing microprobe system, comprising: one of a single-mode laser radiation source and a few-mode laser radiation source; a coupler coupled to the laser radiation source; one of a single-mode flexible laser radiation delivery system and a few-mode flexible laser radiation delivery system coupled to the coupler; and one or more focusing microlenses coupled to the flexible laser radiation delivery system and arranged in a focusing tip. The coupler comprises a focusing lens. The flexible laser radiation delivery system comprises one of a hollow-core fiber and a flexible waveguide. Optionally, the one or more focusing microlenses are bonded to seal a hollow internal cavity of the flexible laser radiation delivery system. The one or more focusing microlenses comprise one or more conventional lenses or one or more focusing spheres, hemispheres, or cylinders.