Class / Patent application number | Description | Number of patent applications / Date published |
219121730 | Shaping | 75 |
20080237206 | METHOD FOR LASER MICROMACHINING - A method of laser micro-machining, by means of a laser, a work piece ( | 10-02-2008 |
20090152250 | BEAM MODULATING APPARATUS FOR MOLD FABRICATION BY ULTRA-FAST LASER TECHNIQUE - The present invention relates to a beam modulating apparatus for mold fabrication by ultra-fast laser technique. More particularly, the present invention discloses a beam modulating apparatus for fabricating micro-/nano-scaled structures, which adopts an energy shaping scheme for beam shape modulation while using the modulated beam for mold fabrication. Following the development of flexible electronic devices, such as flexible displays, all kinds of roller molds formed with micro-/nano-scaled structures are becoming the key issue for commercialization and mass production which require a breakthrough in ultra-precision machining and photo-lithography that overcomes the bottlenecks related to shape, size, thermal effect and precision for fabricating sub-micron sized structures and thus greatly enhancing product design capability and functionality. The present invention is capable of modulating pulse shape of an ultra-fast laser beam for making the energy distribution uniform on a mold, that it can be used directly on a curved surface of a metal cylinder since as a cold machining process which utilizes ultra-fast pulsed laser. Moreover, it can be used for forming micro-/nano-scaled structures of any complicated three-dimensional shapes on a mold with line width that is smaller than 10 μm while enabling the mold to be suitable for a roll-to-roll process so as to meet the requirement of cost reduction and value addition. | 06-18-2009 |
20100059490 | ADAPTIVE OPTIC BEAMSHAPING IN LASER PROCESSING SYSTEMS - A laser processing system quickly and flexibly modifies a processing beam to determine and implement an improved or optimum beam profile for a particular application (or a subset of the application). The system reduces the sensitivity of beam shaping subsystems to variations in the laser processing system, including those due to manufacturing tolerances, thermal drift, variations in component performance, and other sources of system variation. Certain embodiments also manipulate lower quality laser beams (higher M | 03-11-2010 |
20100126975 | Method of Working Material with High-Energy Radiation - According to the present invention, a method of working material with high-energy radiation is provided, wherein a polymer matrix ( | 05-27-2010 |
20100219170 | ACTIVE BEAM DELIVERY SYSTEM WITH VARIABLE OPTICAL PATH SEGMENT THROUGH AIR - A laser energy delivery system includes a relay imaging system. Input optics arranged to receive the laser energy, a transmitting mirror having adjustable angle of incidence relative to the input optics, and a robot mounted optical assembly are configured to direct laser energy toward the movable target image plane. The laser energy follows an optical path including an essentially straight segment from the transmitting mirror to the receiving mirror, having a variable length and a variable angle relative to the input optics through air. Diagnostics on the processing head facilitate operation. | 09-02-2010 |
20100224604 | METHOD AND APPARATUS FOR LASER BEAM PROCESSING OF AN ELEMENT WITH TOTAL TRANSMISSION FOR LIGHT OF A T LEAST 10-5 - A method and an apparatus for laser beam processing of an element ( | 09-09-2010 |
20110024406 | LASER IRRADIATION METHOD AND LASER IRRADIATION APPARATUS - An object of the present invention is to provide a laser irradiation method and a laser irradiation apparatus for irradiating an irradiation surface with a linear beam having more homogeneous intensity by blocking a low-intensity part of the linear beam without forming the fringes due to the diffraction on the irradiation surface. In the laser irradiation, a laser beam emitted from a laser oscillator | 02-03-2011 |
20110100967 | METHOD FOR REAL-TIME OPTICAL DIAGNOSTICS IN LASER ABLATION AND LASER PROCESSING OF LAYERED AND STRUCTURED MATERIALS - A method for real-time optical diagnostics in laser ablation and laser processing of layered or structured materials or material structures. Diagnostics is provided during laser ablation that is utilized regularly in laser processing and/or chemical analysis of structured materials, by means of measuring optical emission generated as a result of the pulsed laser-material interaction in real time. The method can involve a single-layer-film or a stack of multiple layers or a structure of different domains. The method is particularly beneficial in fabrication of thin-film structures, such as photovoltaic and electronic devices or circuits of devices. | 05-05-2011 |
20110147353 | LID FOR CLOSING A CUP - The invention relates to a lid ( | 06-23-2011 |
20110180521 | DEPTH AND BREAKTHROUGH DETECTION FOR LASER MACHINING - A system comprises a working laser beam, a sensing laser beam, first and second optical elements, an optical sensor, an aperture and a controller. The first optical element generates a coaxial beam from the working laser beam and the sensing laser beam. The second optical element focuses the coaxial beam onto a workpiece, such that the working laser beam machines the workpiece and the sensing laser beam reflects from the workpiece. The optical sensor senses an intensity of the reflected sensing beam. The aperture determines a focus position by translating along the reflected sensing beam, such that the reflected intensity is maximized. The controller determining a machining parameter of the working laser beam, based on the focus position. | 07-28-2011 |
20110259862 | Additive Manufacturing Apparatus with a Chamber and a Removably-Mountable Optical Module; Method of Preparing a Laser Processing Apparatus with such Removably-Mountable Optical Module - An additive manufacturing apparatus comprises a processing chamber ( | 10-27-2011 |
20120145687 | Apparatus and method for operating a laser materials processing and measurement device - An apparatus for operating a laser materials processing and measurement device with a controllable laser for generating a laser beam and beam control means for adjusting the focus zone of a controlled portion of the laser beam in three spatial directions comprises an interface for operating a bidirectional data transfer link with the laser and the beam control means, and user control means for inputting and displaying control commands or control command sequences and for monitoring and/or controlling operation and/or the operating state of the device. So that all the components of the apparatus may also be tested with regard to all functionalities, if the laser materials processing and measurement device is not operationally ready and/or not connected to the interface, according to the invention the apparatus comprises simulation means for simulating operation of the device and/or of the user control means. | 06-14-2012 |
20120273472 | LASER PROCESSING SYSTEMS AND METHODS FOR BEAM DITHERING AND SKIVING - A laser processing system includes a first positioning system for imparting first relative movement of a beam path along a beam trajectory with respect to a workpiece, a processor for determining a second relative movement of the beam path along a plurality of dither rows, a second positioning system for imparting the second relative movement, and a laser source for emitting laser beam pulses. The system may compensate for changes in processing velocity to maintain dither rows at a predetermined angle. For example, the dither rows may remain perpendicular to the beam trajectory regardless of processing velocity. The processing velocity may be adjusted to process for an integral number of dither rows to complete a trench. A number of dither points in each row may be selected based on a width of the trench. Fluence may be normalized by adjusting for changes to processing velocity and trench width. | 11-01-2012 |
20130180968 | APPARATUS AND METHOD FOR ON LINE SURFACE ENHANCEMENT OF A WORKPIECE - An apparatus to cut and surface process a workpiece includes a cutting tool to cut the workpiece; a peening tool to peen surfaces of the cut workpiece; and a controller to control the cutting tool, the peening tool and the workpiece to move simultaneously. | 07-18-2013 |
20140014636 | APPARATUS AND METHOD FOR MATERIAL PROCESSING USING A TRANSPARENT CONTACT ELEMENT - A method of preparing an apparatus for material processing by generating optical breakthroughs in an object. The apparatus includes a variable focus adjustment device. A contact element is mounted to the apparatus, the contact element has a curved contact surface having a previously known shape. The position of the contact surface is determined prior to processing the object, by focusing measurement laser radiation near or on the surface by the variable focus adjustment device, and the focus position is adjusted in a measurement surface intersecting the expected position of the contact surface. Radiation from the focus of the measurement laser radiation is confocally detected. The position of points of intersection between the measurement surface and the contact surface is determined from the confocally detected radiation to determine the position of the contact surface from the position of the points of intersection and the previously known shape of the contact surface. | 01-16-2014 |
20140209583 | MANAGING THERMAL BUDGET IN ANNEALING OF SUBSTRATES - A method and apparatus are provided for treating a substrate. The substrate is positioned on a support in a thermal treatment chamber. Electromagnetic radiation is directed toward the substrate to anneal a portion of the substrate. Other electromagnetic radiation is directed toward the substrate to preheat a portion of the substrate. The preheating reduces thermal stresses at the boundary between the preheat region and the anneal region. Any number of anneal and preheat regions are contemplated, with varying shapes and temperature profiles, as needed for specific embodiments. Any convenient source of electromagnetic radiation may be used, such as lasers, heat lamps, white light lamps, or flash lamps. | 07-31-2014 |
20140251963 | LASER MACHINING METHOD AND LASER MACHINING DEVICE - Laser light L is converged at an object to be processed | 09-11-2014 |
20140263221 | LASER DECONTAMINATION DEVICE - The laser decontamination device includes: a laser oscillator; a scanning device provided with an XY axis scanner and a Z axis scanner to condense the laser beam emitted from the laser oscillator onto the surface of the contaminated article without the intervention of any compound lens such as an f θ lens so as to optically scan the surface; and a surface shape measuring device to measure the surface shape of the contaminated article, the Z axis scanner being provided with a focus position controlling section to automatically adjust a focus position in accordance with an irradiation position such that a focus of the laser beam comes on the surface of the contaminated article based on a shape data obtained at the surface shape measuring device. | 09-18-2014 |
20150034617 | LASER PROCESSING APPARATUS - A laser processing apparatus includes a beam splitting unit disposed between a pulsed laser beam oscillating unit and a condenser. The beam splitting unit includes a half-wave plate that rotates the plane of polarization of a pulsed laser beam, a birefringent lens that splits the pulsed laser beam that has passed through the half-wave plate into ordinary light and extraordinary light, the birefringent lens being formed by joining two kinds of crystalline bodies to each other across a curved plane of a concave surface and a convex surface, and a splitting angle adjusting unit that moves the birefringent lens in a direction orthogonal to the pulsed laser beam that has passed through the half-wave plate to change the angle of incidence with respect to the curved plane and adjust a beam splitting angle. | 02-05-2015 |
20150053657 | METHOD FOR BLUNTING SHARP EDGES OF GLASS OBJECTS - The invention relates to methods for processing glass objects, in particular, to methods of blunting sharp edges of glass objects. A method comprises treating a glass edge with a focused laser beam, while relatively moving the glass object and/or the beam, said treating of the glass edge being carried out with a laser beam having a ring-shaped section, during which the glass edge is heated with the laser beam to a temperature above glass transition temperature, T>Tg. The method provides the creation of tempered glass sections of desired shape and size in the near-edge area due to the provision of thermal stresses in these areas, which cause the formation of a chamfer with rounded or blunt ends on the glass at brittle fracture. | 02-26-2015 |
20150069028 | ANNEALING APPARATUS USING TWO WAVELENGTHS OF RADIATION - A thermal processing apparatus and method in which a first laser source, for example, a CO | 03-12-2015 |
20150076125 | Laser Irradiation Device, Laser Irradiation System, and Method for Removing Coating or Adhering Matter - In order to provide a laser irradiation system, a method for removing a coating, and a laser irradiation apparatus capable of efficiently removing a coating on a surface of a structure and recovering the removed substance using suction, a laser head ( | 03-19-2015 |
20150290742 | LASER NOZZLE HAVING AN EXTERNAL MOBILE ELEMENT - The invention relates to a nozzle for laser cutting, comprising a nozzle body ( | 10-15-2015 |
20150357215 | MANAGING THERMAL BUDGET IN ANNEALING OF SUBSTRATES - A method and apparatus are provided for treating a substrate. The substrate is positioned on a support in a thermal treatment chamber. Electromagnetic radiation is directed toward the substrate to anneal a portion of the substrate. Other electromagnetic radiation is directed toward the substrate to preheat a portion of the substrate. The preheating reduces thermal stresses at the boundary between the preheat region and the anneal region. Any number of anneal and preheat regions are contemplated, with varying shapes and temperature profiles, as needed for specific embodiments. Any convenient source of electromagnetic radiation may be used, such as lasers, heat lamps, white light lamps, or flash lamps. | 12-10-2015 |
20160187646 | HIGH-SPEED OPTICAL SCANNING SYSTEMS AND METHODS - Relay-based laser scanning systems and methods direct a converging input beam to a scanned output beam. A first beam deflector scans an image associated with the converging input along an arcuate intermediate image locus. A relay optic images the clear aperture of the first beam deflector to a second beam deflector and reimages the intermediate image from an internal conjugate distance to an external conjugate distance. Systems and methods may include an converging optic that converges the input to an image at the intermediate image locus. The converging optic may correct optical aberrations of the relay optic. The converging optic may be translated to change the radius of the intermediate image locus and vary the external conjugate distance. A scan head may have low inertia galvo-based scan mirrors. A controller may direct the scanned beam to predetermined points in a scan field. Material may be processed at multiple heights. | 06-30-2016 |
20190143448 | LASER MACHINING METHOD, CONTROLLER, AND ROBOT SYSTEM | 05-16-2019 |
219121740 | With mirror | 12 |
20080272096 | LASER MICRO-MACHINING SYSTEM WITH POST-SCAN LENS DEFLECTION - A laser micro machining system includes a laser source positioned to direct a laser pulse through a scan lens to a work piece mounted on a work surface and a mirror positioned between the scan lens and the work piece and tilted with respect to the work surface to reflect the laser pulse toward the work piece. The mirror can be indexed to a number of positions so that only portions of the mirror are used for a number of processing steps, extending the life of the mirror. | 11-06-2008 |
20100059491 | APPARATUS FOR IMPROVING RESIDUAL STRESS IN TUBULAR BODY - An aim is to provide a tubular-body residual-stress improving apparatus capable of reducing irradiation on unnecessary areas by controlling the optical paths of laser beams. In the tubular-body residual-stress improving apparatus, an optical control unit ( | 03-11-2010 |
20110253690 | FLEXIBLE BEAM DELIVERY SYSTEM FOR HIGH POWER LASER SYSTEMS - A beam delivery technology for high power laser systems, like laser peening systems, for work pieces which may have compound curvatures, includes placing an optical assembly having a receiving optic, beam formatting optics and a scanner mounted thereon, in a position to receive laser pulses from a laser source and within an operating range of the process area. Polarized laser pulses are delivered to the receiving optic while the position of the optical assembly remains unchanged. The pulses proceed through the beam formatting optics to the scanner, and are direct to respective impact areas having nominal shapes and locations on the work piece. The scanning process includes for each laser pulse, setting direction, divergence, polarization, rotation and aspect ratio of the laser pulses output from the scanner, to control the polarization, shape and location on respective impact areas. | 10-20-2011 |
20120261395 | ANNEALING APPARATUS USING TWO WAVELENGTHS OF CONTINUOUS WAVE LASER RADIATION - A thermal processing apparatus and method in which a first laser source, for example, a CO | 10-18-2012 |
20130056450 | Device For Applying Laser Radiation And Device For Reproducing A Linear Light Distribution - A device for applying laser radiation to an at least partially reflective or transparent region or a workpiece disposed in a working area, with a laser light source for generating the laser radiation and optics for influencing the laser radiation, such that the radiation is transferred into the working area, wherein the optics comprise at least one mirror that can reflect a part of the laser radiation reflected in the working area or a part of the laser radiation having passed through the working area, such that said part of the laser radiation is at least partially fed hack into the working area. | 03-07-2013 |
20140346155 | Laser Machining Apparatus with Adaptive Mirror - A laser machining apparatus comprises a laser radiation source that generates laser radiation. A first and a second adaptive mirror are provided each having a pressure chamber connected to a pressure source and a mirror substrate that bounds the pressure chamber. An internal pressure in the pressure chamber can be changed with the aid of the pressure source in such a way that the mirror substrate deforms if the internal pressure in the pressure chamber changes. The mirror substrate of the first adaptive mirror has a thickness which varies at least within a region of the mirror substrate that bounds the pressure chamber. The mirror substrate of the second adaptive mirror has a thickness which is constant over the entire region over which the mirror substrate is deformable. | 11-27-2014 |
20140346156 | Adaptive Mirror for a Laser Processing Device - An adaptive mirror for a laser processing apparatus has a housing and a pressure chamber which is arranged in the housing and can be connected to a pressure source. A mirror substrate, which delimits the pressure chamber, is fixedly clamped in the housing. Depending on the internal pressure in the pressure chamber, which can be changed by means of the pressure source, the mirror substrate is deformed. The mirror substrate has a stiffness which increases towards the geometric centre at least in a region surrounding the geometric centre of the mirror substrate. By means of such a stiffness distribution, an almost spherical deformation can be achieved over a large surface of the mirror substrate despite the mirror substrate's being fixedly clamped into the housing. | 11-27-2014 |
20150129565 | Method and device for processing a workpiece using laser radiation - A method is provided for processing a workpiece using laser radiation, particularly for the purpose of laser ablation. At least one laser beam is provided, which is affected using at least one changeable beam forming device. The laser beam subsequently impinges upon at least one processing area of the workpiece. Using the beam forming device, at least one specified adjustable beam profile is impressed upon the laser beam at the location of the processing areaconfigured. | 05-14-2015 |
20160045979 | LASER MACHINING DEVICE AND LASER MACHINING METHOD - A 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. A plurality of rows of modified regions include at least an entrance-surface-side modified region located on the laser light entrance surface side, an opposite-surface-side modified region located on the opposite surface side of the laser light entrance surface, and a middle modified region located between the entrance-surface-side modified region and opposite-surface-side modified region. When forming the middle modified region, 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. When forming the entrance-surface-side modified region and opposite-surface-side modified region, the spatial light modulator is restrained from displaying the axicon lens pattern as the modulation pattern. | 02-18-2016 |
20160045980 | LASER BEAM SPOT SHAPE DETECTION METHOD - Disclosed herein is a laser beam spot shape detection method for detecting a spot shape of a laser beam oscillated by laser beam oscillator and collected by a condenser in a laser machining apparatus, the laser beam spot shape detection method including: a concave mirror holding step of holding a concave mirror having a spherical face forming a reflecting face with a chuck table; a focal point positioning step of positioning the focal point of the condenser in a proximity including the center of the spherical face forming the reflecting face of the concave mirror held by the chuck table; a laser beam irradiation step of irradiating a laser beam onto the held concave mirror, and an imaging step of capturing images of reflected light with a camera. | 02-18-2016 |
20160052088 | LASER MACHINING DEVICE AND LASER MACHINING METHOD - A laser processing device forms a modified region in an object to be processed by converging ultrashort pulse laser light at the object and comprises a laser light source emitting the laser light, a converging optical system converging the laser light emitted from the laser light source at the object, and an aberration providing part imparting an aberration to the laser light converged at the object by the converging optical system. In an optical axis direction of the laser light, letting a reference aberration range be a range of a converging-induced aberration as an aberration occurring at a position where the laser light is converged as a result of converging the laser light at the object, the aberration providing part imparts a first aberration to the laser light such that the laser light has an elongated range longer than the reference aberration range in the optical axis direction as an aberration range and an intensity distribution in the optical axis direction with a continuous undulation in the elongated range. | 02-25-2016 |
20160059347 | Machining Head for a Laser Machining Device - The invention relates to a machining head for a laser machining device, which is equipped for machining a workpiece ( | 03-03-2016 |
219121750 | With lens | 37 |
20080245779 | LASER PROCESSING MACHINE - A laser processing machine that includes a chuck table adapted to hold a workpiece thereon and laser beam irradiation unit for applying a laser beam to the workpiece held on the chuck table. The laser beam irradiation unit includes: a laser beam oscillation section for emitting a pulse laser beam; a defection section for deflecting the pulse laser beam emitted from the laser beam oscillation section; and a concentrator having an ellipsoidal focusing spot forming section for focusing the pulse laser beam deflected by the deflection unit and forming a focusing spot into an ellipse. | 10-09-2008 |
20080296275 | LASER BEAM MACHINING APPARATUS - A laser beam machining apparatus including a laser beam irradiation unit, the laser beam irradiation unit including: a laser beam oscillator for oscillating a laser beam; a beam splitter by which the laser beam oscillated by the laser beam oscillator is split into a first laser beam and a second laser beam; a rotary half-wave plate disposed between the laser beam oscillator and the beam splitter; a condenser lens disposed in a first optical path for guiding the first laser beam split by the beam splitter; a first reflecting mirror disposed in a second optical path for guiding the second laser beam split by the beam splitter; a first quarter-wave plate disposed between the beam splitter and the first reflecting mirror; a second reflecting mirror disposed in a third optical path for splitting thereinto the second laser beam returned to the beam splitter through the second optical path; a second quarter-wave plate disposed between the beam splitter and the second reflecting mirror; and a cylindrical lens disposed between the beam splitter and the second quarter-wave plate. | 12-04-2008 |
20090032511 | Apparatus and method of improving beam shaping and beam homogenization - The present invention generally relates to an optical system that is able to reliably deliver a uniform amount of energy across an anneal region contained on a surface of a substrate. The optical system is adapted to deliver, or project, a uniform amount of energy having a desired two-dimensional shape on a desired region on the surface of the substrate. Typically, the anneal regions may be square or rectangular in shape. Generally, the optical system and methods of the present invention are used to preferentially anneal one or more regions found within the anneal regions by delivering enough energy to cause the one or more regions to re-melt and solidify. | 02-05-2009 |
20090071947 | LASER BEAM MACHINE - There is disclosed a laser beam machine including: a light source that emits a laser beam; an aperture in a flat plate shape and arranged in a manner crossing an optical axis direction of a laser beam from the light source, and having an opening to pass a laser beam from the light source therethrough; a focusing portion that is arranged at a side opposite to the light source with respect to the aperture, and focuses a laser beam that has passed through the opening of the aperture and irradiates the laser beam onto a workpiece, wherein the focusing portion imparts astigmatism to a laser beam that has passed through the opening of the aperture, a first focal line and a second focal line of the focusing portion are produced by the astigmatism, the first focal line is formed by focusing of a laser beam distributed in a first direction crossing the optical axis direction, the second focal line is formed by focusing of a laser beam distributed in a second direction crossing the optical axis direction and the first direction, and positions of the first focal line and the second focal line are different in the optical axis direction. | 03-19-2009 |
20090173724 | PRODUCT LASER IRRADIATION DEVICE, LASER IRRADIATION METHOD AND METHOD FOR MANUFACTURING MODIFIED OBJECT - Provided are a laser irradiation device and a laser irradiation method, which are suitable for a liquid crystal display device. The laser irradiation device comprises a semiconductor laser element group ( | 07-09-2009 |
20090194517 | LASER CUTTING DEVICE - An exemplary laser cutting device ( | 08-06-2009 |
20090308853 | ELIMINATING HEAD-TO-HEAD OFFSETS ALONG COMMON CHUCK TRAVEL DIRECTION IN MULTI-HEAD LASER MACHINING SYSTEMS - The embodiments disclosed herein provide systems and methods for correcting a head-to-head offset in a laser machining system with two or more processing heads. A focusing lens is associated with each processing head, and is configured to receive an incident laser beam along an incident beam axis of propagation. The incident beam axis of propagation is offset from the primary axis of the focusing lens. The focusing lens is further configured to rotate about the incident beam axis of propagation in order to steer the incident laser beam's path with respect to a workpiece. | 12-17-2009 |
20100181295 | METHOD AND DEVICE FOR REMOVING SOLDER MATERIAL DEPOSITS FROM A SUBSTRATE - The present invention relates to a method and to a device for separating solder material deposits ( | 07-22-2010 |
20100219171 | Laser Processing System and laser Processing Method - A laser processing system and a laser processing method that can highly accurately and efficiently specify a focus position of a processing laser using visible lasers are provided. For that purpose, a laser processing system includes a processing laser oscillator, a condensing optical system including a condenser lens, two visible laser oscillators and, a movement adjusting unit that adjusts the condenser lens and the visible laser oscillators and to move forward and backward in synchronization with each other, an imaging unit that images spot lights of the visible lasers on a workpiece, an image processing unit that subjects an imaged video to image processing and displays an image after the processing, a calculating unit that calculates, in a state in which the respective visible lasers are focused on a focus position of the processing laser, center of gravity positions of spot lights of the respective visible lasers formed on the surface of the workpiece according to the movement of the condenser lens and calculates a distance between centers of gravity, and a control unit that controls the movement adjusting unit such that the distance between centers of gravity is adjusted to zero or substantially zero. | 09-02-2010 |
20110062128 | Multiple laser beam focusing head - An apparatus that divides a single laser beam into two or more beams that can be directed at an object, such as a work piece, to perform laser heat treatment is disclosed. An adapter stage is in optical communication with a light source, such as a laser source, and arranged to receive a light beam from the light source. A focus stage in optical communication with the adapter stage is arranged to receive the light beam from the adapter stage and to focus the light beam. A beam splitting stage in optical communication with the focus stage is arranged to receive the focused light beam and to split the focused light beam into a multiple light beams. A redirection stage in optical communication with the beam splitting stage is arranged to receive the multiple light beams and to direct them toward a plurality of target locations on the object. | 03-17-2011 |
20110095007 | THERMAL FLUX PROCESSING BY SCANNING A FOCUSED LINE BEAM - The thermal processing device includes a stage, a continuous wave electromagnetic radiation source, a series of lenses, a translation mechanism, a detection module, a three-dimensional auto-focus, and a computer system. The stage is configured to receive a substrate thereon. The continuous wave electromagnetic radiation source is disposed adjacent the stage, and is configured to emit continuous wave electromagnetic radiation along a path towards the substrate. The series of lenses is disposed between the continuous wave electromagnetic radiation source and the stage, and are configured to condense the continuous wave electromagnetic radiation into a line of continuous wave electromagnetic radiation on a surface of the substrate. The translation mechanism is configured to translate the stage and the line of continuous wave electromagnetic radiation relative to one another. The detection module is positioned within the path, and is configured to detect continuous wave electromagnetic radiation. | 04-28-2011 |
20110186555 | SYSTEM FOR SEMICONDUCTOR STRUCTURE PROCESSING USING MULTIPLE LASER BEAM SPOTS - Methods and systems selectively irradiate structures on or within a semiconductor substrate using a plurality of pulsed laser beams. The structures are arranged in a row extending in a generally lengthwise direction. The method generates a first pulsed laser beam that propagates along a first laser beam axis that intersects the semiconductor substrate and a second pulsed laser beam that propagates along a second laser beam axis that intersects the semiconductor substrate. The method directs respective first and second pulses from the first and second pulsed laser beams onto distinct first and second structures in the row. The method moves the first and second laser beam axes relative to the semiconductor substrate substantially in unison in a direction substantially parallel to the lengthwise direction of the row. | 08-04-2011 |
20120024832 | Method and apparatus for the thermal treatment of a workpiece by means of a laser beam - In the thermal cutting of a workpiece by means of a laser beam, said beam is generated by means of a laser source and supplied to a movable laser head. In the laser head, an optical deflection element is provided for deflecting the laser beam such that, when viewed in working direction, it encloses a tilt angle (α) differing from 0 degrees with the longitudinal axis of the laser head. Starting therefrom, to produce the inclination of the collimated laser beam to the vertical with a very small number of optical components if possible, the invention suggests that the laser beam is supplied to the laser head by means of an optical fiber and the laser beam is collimated, passes through the deflection element laterally offset to the longitudinal axis of the laser head and is deflected by means of said element onto the workpiece surface and focused at the same time. | 02-02-2012 |
20120085740 | DEVICE FOR SIMULTANEOUSLY PROCESSING THE CIRCUMFERENCE OF A WORKPIECE WITH LASER BEAMS - A device for simultaneously processing a circumference of a workpiece includes a plurality of laser-lens modules and a waveguide. The modules each include a diode laser and a lens system and is configured to emit a laser beam radially in a shared radiation plane. The waveguide includes a lower part and an upper part that together form a cavity enclosing the radiation plane. The laser-lens modules are configured so that the laser is reflected repeatedly between a bottom surface and a cover surface and propagates in an unaffected manner within the radiation plane so as to form a beam spot that strikes the workpiece with a homogeneous energy distribution. The beam spot has a height based on a distance between the surfaces and a width based on a divergence angle in the radiation plane and a distance of the module from the workpiece surface. | 04-12-2012 |
20120152918 | REDUCING BACK-REFLECTION IN LASER MICROMACHINING SYSTEMS - Systems and methods reduce or prevent back-reflections in a laser processing system. A system includes a laser source to generate an incident laser beam, a laser beam output to direct the incident laser beam toward a work surface along a beam path, and a spatial filter. The system further includes a beam expander to expand a diameter of the incident laser beam received through the spatial filter, and a scan lens to focus the expanded incident laser beam at a target location on a work surface. A reflected laser beam from the work surface returns through the scan lens to the beam expander, which reduces a diameter of the reflected beam and increases a divergence angle of the reflected laser beam. The spatial filter blocks a portion of the diverging reflected laser beam from passing through the aperture and returning to the laser beam output. | 06-21-2012 |
20120187099 | PROCESS FOR THE ADJUSTMENT OF A LASER LIGHT SPOT FOR THE LASER PROCESSING OF WORK PIECES AND A LASER DEVICE FOR THE PERFORMANCE OF THE PROCESS - The invention relates to a process for the adjustment of a laser light spot of high intensity for the laser processing of work pieces as well as a laser device for performing the proposed process. The laser device comprises a laser emitting a laser beam and at least one focusing lens for converging the laser beam as well as an optical operating element for adjusting the beam diameter of the laser beam. The invention proposes to use as operating element a diffractive optical element that separates the laser beam emitted by the laser into partial laser beams, with the partial laser beams generated by the diffractive optical element being assembled to form a resulting laser beam that acts on the work piece. By means of a suitable design of the diffractive optical element it is possible to adjust, in particular enlarge, the diameter of the laser light spot as required. | 07-26-2012 |
20120318777 | LASER APPARATUS FOR SINGULATION, AND A METHOD OF SINGULATION - An apparatus | 12-20-2012 |
20120325788 | APPARATUS FOR LASER PEENING HIDDEN SURFACES - Methods, systems, and apparatuses are disclosed for laser peening hidden surfaces. | 12-27-2012 |
20130001207 | LASER BEAM APPLYING APPARATUS - A laser beam applying apparatus includes a laser beam oscillating unit, a focusing lens, and a diffractive optic element provided between the laser beam oscillating unit and the focusing lens for defining the spot shape of the laser beam oscillated by the laser beam oscillating unit. A zeroth-order light removing unit removes zeroth-order light emerging from the diffractive optic element and leaves first-order light whose spot shape has been defined by the diffractive optic element and the focusing lens. A first prism has an incident surface and an emergent surface inclined with respect to the incident surface. A second prism has a zeroth-order light reflecting surface for reflecting the zeroth-order light and a first-order light emerging surface from which the first-order light emerges. A damper absorbs the zeroth-order light reflected on the zeroth-order light reflecting surface of the second prism. | 01-03-2013 |
20130134142 | LASER PROCESSING APPARATUS - A laser processing apparatus includes a beam diameter adjusting unit provided between a laser oscillator and a focusing unit, an imaging unit for detecting the beam diameter of the laser beam directed to a detection path, an optical path length changing unit for moving the imaging unit along the detection path to thereby change an optical path length, and a controller for controlling the imaging unit, the beam diameter adjusting unit, and the optical path length changing unit. The controller operates to move the imaging unit to two positions where different optical path lengths are provided, detect the beam diameters of the laser beam at the two positions, and controls the beam diameter adjusting unit according to the two beam diameters detected above so that the two beam diameters have a predetermined relation. | 05-30-2013 |
20130200052 | LASER BEAM MACHINING DEVICE AND A PROCESS OF LASER MACHINING COMPRISING A SINGLE LENS FOR LIGHT FOCUSSING - A laser beam machining device ( | 08-08-2013 |
20130306609 | LASER PROCESSING HEAD, LASER PROCESSING APPARATUS, OPTICAL SYSTEM OF LASER PROCESSING APPARATUS, LASER PROCESSING METHOD, AND LASER FOCUSING METHOD - A laser cutting apparatus ( | 11-21-2013 |
20130319985 | LASER MACHINING APPARATUS - A laser machining apparatus includes a chuck table for holding a workpiece, and an irradiation unit which irradiates a laser beam upon the workpiece held on the chuck table. The laser beam irradiation unit includes a condenser which condenses the laser beam and irradiates the condensed laser beam upon the workpiece held on the chuck table. The condenser includes first and second condenser lenses arrayed in series in an advancing direction of the laser beam, a first moving unit having a first driving source for moving the first condenser lens in a first direction perpendicular to an optical axis of the first condenser lens, and a second moving unit having a second driving source for moving the second condenser lens in a second direction perpendicular to the first direction. | 12-05-2013 |
20130334183 | LASER MACHINE, LASER MACHINE SYSTEM - A laser machine ( | 12-19-2013 |
20140076869 | LASER PROCESSING APPARATUS - A laser processing apparatus includes a laser generator for generating laser beams, a diffraction optic element for dividing the laser beam generated by the laser generator into a plurality of sub-laser beams, and a beam number controller for controlling the number of the plurality of sub-laser beams. Accordingly, the diffractive optic element that splits a laser beam generated by the laser beam generator into a plurality of sub-laser beams and the beam number controller that controls the number of sub-laser beams are provided so that the processing speed of a processing target can be improved and, at the same time, the number of laser beams can be promptly controlled, thereby promptly forming various patterns of the processing target. | 03-20-2014 |
20140076870 | LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD | 03-20-2014 |
20140144895 | LASER MATERIAL PROCESSING SYSTEM - 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. | 05-29-2014 |
20140291308 | DEVICE, ARRANGEMENT, AND METHOD FOR THE INTERFERENCE STRUCTURING OF PLANAR SAMPLES - The invention relates to a device (and a corresponding method) for the interference structuring of a planar sample, comprising a laser, a focusing element, which is arranged in the beam path of the laser and by means of which the laser radiation can be focused in a first spatial direction, a first prism, in particular a biprism, which is arranged in the beam path of the laser and by means of which the laser radiation can be directed at a sample volume in a second spatial direction preferably perpendicular to the first spatial direction by means of two beams, in such a way that the two beams interfere within the sample volume in an interference area, the sample volume, in which the planar sample is or can be placed in the interference area, and a moving unit, by means of which the beam(s) of the laser radiation can be moved in the first, the second, or the first and second spatial directions and/or by means of which a/the sample can be moved in the sample volume in the first, the second, or the first and second spatial directions. | 10-02-2014 |
20150048069 | LASER NOZZLE COMPRISING AN ELEMENT MOVABLE IN A GAS LAYER - Laser nozzle usable for laser cutting, especially with a fiber or disk laser, comprising: a nozzle body comprising an axial housing passing axially through the nozzle body and comprising a first output orifice located in the front side of the nozzle body; a movable element able to move in translation in the axial housing in the direction of the first output orifice under the effect of a gas pressure acting on the movable element; and an elastic element arranged in the axial housing, between the nozzle body and the movable element, the elastic element exercising an elastic return force on the movable element tending to oppose the translation movement in the axial housing in the direction of the first output orifice. | 02-19-2015 |
20150053658 | APPARATUS AND METHOD OF IMPROVING BEAM SHAPING AND BEAM HOMOGENIZATION - The present invention generally relates to an optical system that is able to reliably deliver a uniform amount of energy across an anneal region contained on a surface of a substrate. The optical system is adapted to deliver, or project, a uniform amount of energy having a desired two-dimensional shape on a desired region on the surface of the substrate. Typically, the anneal regions may be square or rectangular in shape. Generally, the optical system and methods of the present invention are used to preferentially anneal one or more regions found within the anneal regions by delivering enough energy to cause the one or more regions to re-melt and solidify. | 02-26-2015 |
20150336209 | THREE-DIMENSIONAL LASER PROCESSING MACHINE - A three-dimensional laser processing machine performs high-precision laser processing on a workpiece (W) by setting the focal position of laser light to be condensed by a condensing lens at a predetermined distance from a portion to be processed of the workpiece (W), is provided with a three-dimensional shape measuring instrument ( | 11-26-2015 |
20160052083 | LASER MACHINING DEVICE AND LASER MACHINING METHOD - 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. | 02-25-2016 |
20160052084 | LASER MACHINING DEVICE AND LASER MACHINING METHOD - The laser processing device comprises a laser light source emitting a laser light, a converging optical system converging the laser light at an object to be processed, and an aberration providing part for imparting an aberration to the laser light converged at the object by the converging optical system. In an optical axis direction of the laser light, letting a reference aberration range be a range of a converging-induced aberration as an aberration occurring at a position where the laser light is converged as a result of converging the laser light at the object, the aberration providing part imparts a first aberration to the laser light such that the laser light has an elongated range longer than the reference aberration range in the optical axis direction as an aberration range and an intensity distribution in the optical axis direction with a continuous undulation in the elongated range. | 02-25-2016 |
20160089749 | LASER PROCESSING APPARATUS CAPABLE OF INCREASING FOCUSED BEAM DIAMETER - A laser processing apparatus including a processing head and a light-focusing optical section for focusing a laser beam having a diffusion angle and enabling the laser beam having a convergent angle to be emitted from the processing head. The laser processing apparatus includes a transmissive optical member located upstream of the light-focusing optical section so as to transmit the laser beam while keeping the diffusion angle constant, or located downstream of the light-focusing optical section so as to transmit the laser beam while keeping the convergent angle constant. The transmissive optical member includes a focused-beam diameter increasing part for increasing a focused beam diameter of the laser beam transmitted through the focused-beam diameter increasing part, as compared to a focused beam diameter of the laser beam in a case where the laser beam is not transmitted through the focused-beam diameter increasing part but is focused by the light-focusing optical section. | 03-31-2016 |
20160167165 | METHOD AND ARRANGEMENT FOR FORMING A STRUCTURING ON SURFACES OF COMPONENTS BY MEANS OF A LASER BEAM | 06-16-2016 |
20180021887 | LASER WELDING, CLADDING, AND/OR ADDITIVE MANUFACTURING SYSTEMS AND METHODS OF LASER WELDING, CLADDING, AND/OR ADDITIVE MANUFACTURING | 01-25-2018 |
20220134475 | SYSTEMS AND METHODS FOR FORMING PARTIAL NANO-PERFORATIONS WITH VARIABLE BESSEL BEAM - Embodiments of the present disclosure include a optical assembly comprising: an axicon lens with spherical aberration configured to generate the laser beam focal line, an optical element set spaced part from the optical lens, and a focusing optical element spaced apart from the optical element set, wherein the axicon lens and the optical element set are translatable relative to each other along the laser beam propagation direction and wherein the focusing optical element is in a fixed position along the laser beam propagation direction. | 05-05-2022 |