Abstract: A powder coating apparatus includes an applying device that includes a charging and fluidizing unit charging and fluidizing a thermosetting powder coating material and applies the thermosetting powder coating material to a surface to be coated of an object to be coated while charging and fluidizing the powder coating material, a regulating device that regulates a thickness of a particle layer of the powder coating material applied to the surface to be coated of the object to be coated, and a heating device that heats the particle layer of the powder coating material to thermally cure the particle layer.

Abstract: A method of performing and monitoring a processing step on a workpiece using a system having a projector, a photogrammetric device and a control unit knowing the relative position of the projector and the photogrammetric device, comprises the following steps: referencing to determine a pose of the workpiece with respect to the projector and the photogrammetric device in a predetermined coordinate system; projection of a work instruction onto the workpiece; processing of the workpiece by a worker; and monitoring of the processing by scanning at least a portion of a surface of the workpiece, wherein all steps, with the exception of the processing by the worker, are performed by the device and wherein all steps are performed at the same workstation within a framework of an integrated process.

Abstract: A machine tool for machining workpieces comprising a support structure, a punching device mounted on the support structure, and a laser machining device mounted on the support structure. The machine tool includes a suspension device provided between the punching device and the laser machining device to reduce the laser machining device from being stimulated to move unintentionally due to the operation of the punching device. The suspension device has a spring rate which can be adjusted by a laser positioning device. The laser positioning device can move the laser machining device relative to the workpiece into a functional position and also into a position remote from the functional position. The spring rate of the suspension device is adjusted such that the functional position of the laser machining device is assigned a higher spring rate than that assigned to the position of the laser machining device remote from the functional position.

Abstract: A laser welding head is configured to fasten under a focusing lens for focusing the laser and including at least one annular nozzle for injecting a protective gas, and a protective chamber for protecting the focusing lens with a transverse flow of air. The annular nozzle is arranged around an unobstructed optical axis passing through the laser welding head. The chamber for protecting the focusing lens with a transverse flow of air includes air admission and air exhaust in register with the air admission in a plane substantially perpendicular to said optical axis. The laser welding head is configured to be fastened against the focusing lens without any lateral opening between the focusing lens and the protective chamber. The head presents a distance of at least 100 mm between an outlet of the annular nozzle and the protective chamber.

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 cutting device, including a laser beam generation unit emitting a laser beam; an optical system on a traveling path of the laser beam; a laser main body providing a passage through which the laser beam travels towards a substrate after passing through the optical system; a suction unit coupled to a header of the laser main body and sucking impurities, the suction unit including a curved surface therein; and a collection unit connected to the suction unit and collecting discharged impurities, the impurities being discharged to the collection unit along the curved surface inside the suction unit.

Abstract: Embodiments of the disclosure generally relate to heated substrate supports having a protective coating thereon. The protective coating is formed from pure yttria or alloys predominantly of yttria. The protective coating is diffusion bonded to the heater plate of the substrate support. Two distinct silicon containing layers are formed between the heater plate and the protective coating as the result of the diffusion bonding.

Abstract: Techniques or processes for providing markings on products are disclosed. In one embodiment, the products have housings and the markings are to be provided on sub-surfaces of the housings. For example, a housing for a particular product can include an outer housing surface and the markings can be provided on a sub-surface of the outer housing surface yet still be visible from the outside of the housing. Since the markings are beneath the surface of the housing, the markings are durable.

Abstract: Methods and systems for optical interconnection.

Abstract: An ophthalmic surgical apparatus may include a tower extending upward from a support base, and a user-positionable arm extending from the tower to support an optical instrument attached to a distal end of the user-positionable arm. The user-positionable arm may include four members that are pivotably connected to each other. An electromagnetic brake strut may be pivotably attached in a diagonal relationship to at least two of the four members. The electromagnetic brake strut may include a rotatable lead screw having first and second lead screw end regions and a nut attached to the first pivot joint. The first lead screw end region may be threadably received into the nut. An electromagnetic clutch allows lead screw rotation when an electrical voltage is applied thereto. The electromagnetic clutch may be attached to the second pivot joint and may include a bearing that supports the second lead screw end region.

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: An additive manufacturing system includes a laser device, a first scanning device, and an optical system. The laser device is configured to generate a laser beam, and the first scanning device is configured to selectively direct the laser beam across a powder bed. The laser beam generates a melt pool in the powder bed. The optical system includes an optical detector configured to detect electromagnetic radiation generated by the melt pool, and a second scanning device configured to direct electromagnetic radiation generated by the melt pool to the optical detector.

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

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: 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.