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RE43400 Laser segmented cutting, multi-step cutting, or both  
UV laser cutting throughput through silicon and like materials is improved by dividing a long cut path (112) into short segments (122), from about 10 μm to 1 mm. The laser output (32) is scanned ...
8178819 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,...
8168918 Laser welding system and laser welding control method  
A laser processing head mounted on a robot arm moves from with a constant speed in a direction from a welding point to a next welding point, while a reflection mirror continuously turns in order to...
8168919 Laser working apparatus and method of controlling laser working apparatus  
A laser working apparatus includes: a laser head provided with a reflector which changes the direction of any one of a laser beam and a visible light; a robot which moves the laser head; and a...
8158493 Laser-based material processing methods and systems  
Various embodiments may be used for laser-based modification of target material of a workpiece while advantageously achieving improvements in processing throughput and/or quality. Embodiments of a...
8148037 Optical component for EUVL and smoothing method thereof  
The present invention is to provide a method for smoothing the optical surface having a concave defect of an optical component for EUVL. The present invention relates to a method for smoothing the...
8148662 Method and device for robot-aided remote laser welding with simplified control of focusing direction of laser beam  
Device for remote laser welding of metal sheet structures comprises an anthropomorphous robot onto whose wrist is mounted an accessory device carrying a focusing head for the laser beam coming from...
8143552 Laser beam machining system  
A laser beam machining system including a chuck table for holding a work, and a laser beam irradiation unit for irradiating the work held on the chuck table with a laser beam, wherein the laser...
8097829 Laser processing method and laser processing apparatus  
A laser processing method involving moving first and second laser beams relative to a workpiece, wherein the first and second laser beams have at least a differing wavelength or intensity. The...
8084706 System and method for laser processing at non-constant velocities  
A method is disclosed for on-the-fly processing at least one structure of a group of structures with a pulsed laser output. The method includes the steps of relatively positioning the group of...
8035877 Laser treatment apparatus and method of manufacturing semiconductor device  
A laser treatment apparatus is provided which is capable of irradiating a laser beam to the position where a TFT is to be formed over the entire surface of a large substrate to achieve the...
7964820 Process for laser scribing  
A method for accurately laser scribing lines on a panel utilising a laser beam scanner unit (13) including an optical system and a scanner lens. The unit (13) moves a laser beam (12) in a first...
7943885 Laser irradiation method and method of manufacturing semiconductor device  
By laser beam being slantly incident to the diffractive optics, an aberration such as astigmatism or the like is occurred, and the shape of the laser beam is made linear on the irradiation surface...
7927983 Laser irradiation method, laser irradiation apparatus, and method of manufacturing a semiconductor device  
Attenuation regions of laser light are removed or reduced in size using a slit located in the immediate vicinity of a surface to be irradiated so that a steep energy distribution is obtained in the...
7910855 No gap laser welding of coated steel  
Welding using a laser, which leaves keyhole portions at each pass, that allow gases to vent. That keyhole portion is an area within the interior portion, e.g., an inside of a spiral or a circular...
7875829 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,...
7872209 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,...
7863541 Laser annealing apparatus and semiconductor device manufacturing method  
This invention is intended to provide a laser annealing method by employing a laser annealer lower in running cost so as to deal with a large-sized substrate, for preventing or decreasing the...
7851726 Apparatus for laser cutting and/or marking  
An apparatus for cutting and/or marking products using laser beams includes at least one laser light emitter moveable in a first direction along a cross-bar, the cross-bar being in turn moveable...
7772523 Laser irradiation apparatus and laser irradiation method  
It is an object of the present invention to provide a laser irradiation apparatus and a laser irradiation method for conducting a laser process homogeneously to the whole surface of a semiconductor...
7742212 Precision laser machining apparatus  
A focused laser beam having an optical axis passes sequentially through a simple, positive lens, a pair of plane, parallel windows, and a second, simple, negative lens. Each of the plane, parallel...
7732729 Laser processing device  
A laser processing device capable of recognizing a failure of pulsed laser beam irradiation during a process of pulsed laser beam irradiation and taking appropriate measures. A first judgment...
7696449 Silicon crystallizing device  
A silicon crystallizing device includes a laser beam source emitting a laser beam, a projector unit converging and changing a pattern of the laser beam from the laser beam source, a stage...
7635825 Arrangement and method for producing a three-dimensional product  
An arrangement and method for production of three-dimensional bodies by successive fusing together of selected areas of a powder bed, which parts correspond to successive cross sections of the...
7591069 Methods of bonding solder balls to bond pads on a substrate, and bonding frames  
Methods and apparatuses for bonding solder balls to bond pads are described. In one embodiment, portions of a plurality of solder balls are placed within a frame and in registered alignment with...
7525707 Parallel-beam scanning for surface patterning of materials  
A system and method for parallel-beam scanning a surface. An energetic beam source emits an energetic collimated beam which is received by an optical device, comprising: one or more optical media,...
7525708 Scanner head for a laser machining device  
A scanner head is provided for processing a workpiece by means of a focused laser beam. The scanner head includes a first module, rotatably supported in a first direction in order to deflect the...
7518086 Method and device for adjusting wavelength distribution pattern in laser  
A plurality of configurations is simultaneously formed in a material by a single laser beam having a desired distribution pattern of wavelengths. An input laser beam has an initial wavelength...
7485828 Residual stress improving apparatus for piping technical field  
A residual stress improving apparatus for piping, which can heat an outer peripheral surface of piping to reduce (including eliminate) the residual stress of the piping is provided. The apparatus...
7402774 Flexible scan field  
An energy beam machining system includes an emitter for emitting an energy beam and beam adjusting optics, such as a zoom telescope, for adjusting the pupil size of the system to multiple values....
7399945 Method of thermal processing a substrate with direct and redirected reflected radiation  
Apparatus and methods for thermally processing a substrate with scanned laser radiation are disclosed. The apparatus includes a continuous radiation source and an optical system that forms an image...
7355614 Filling an area of an image marked on a material with a laser  
A system converts graphic images, such as those created by graphics applications, to a format that can be efficiently printed on a material by a laser printing system. An image can be converted to...
7313501 Method and system for determining the location of a potential defect in a device based on a temperature profile  
According to one embodiment of the invention a method for determining the location of a potential defect in a device includes scanning a surface of the device with a temperature sensor while...
7279657 Scanned rapid thermal processing with feed forward control  
A thermal processing system and method including scanning a line beam of intense radiation in a direction transverse to the line direction for thermally processing a wafer with a localized...
7245412 On-the-fly laser beam path error correction for specimen target location processing  
A laser-based workpiece processing system includes sensors connected to a sensor controller that converts sensor signals into focused spot motion commands for actuating a beam steering device, such...
7241667 Method of separating layers of material  
A lift off process is used to separate a layer of material from a substrate by irradiating an interface between the layer of material and the substrate. According to one exemplary process, the...
7238915 Methods and apparatus for irradiating a substrate to avoid substrate edge damage  
Methods and apparatus (100) for scanning a surface (12) of a substrate (10) with an obliquely incident radiation beam (20) over a select scan path (210) to avoid damage (30) to the curved edge (14)...
7227098 Method and system for decreasing the effective pulse repetition frequency of a laser  
Methods and systems operate a machine having a laser characterized by a PRF (pulse repetition frequency) parameter that specifies a PRF at which pulses produced by the laser have desirable pulse...
7223938 Method for manufacturing a display device including irradiating overlapping regions  
A display device is manufactured by forming a semiconductor film over a substrate and irradiating the film with laser light. The laser light is generated from an oscillator, passes through an...
7091444 Process for laser beam welding with reduced formation of end craters  
During laser beam welding a so-called end crater forms at the end of the weld seam. The end crater is formed by the volume shrinkage of the solidifying melt after the laser beam reaches the seam...
7078651 Thermal flux deposition by scanning  
A substrate is initially positioned in the reaction chamber. One or more gases are introduced into the reaction chamber. A predetermined speed for translating a line of radiation is determined....
7060934 High resolution laser beam delivery apparatus  
A laser material processing system and method focus a laser beam to a smaller spot size with a high power density using a movable beam expander to provide high resolution laser beam for engraving...
7038165 Laser machining robot  
If a machining program is reproduced in a robot controller and a robot is moved on a machining route, then a detection signal of a distance sensor is fetched through a distance sensor amplifier,...
7009141 Rotary scanning laser head with coaxial refractive optics  
A rotary refractive laser scanner head uses two sets of lenses and prisms aligned along a common optical axis. Each prism is paired with one of the lenses. The lens-prism pairs are separately...
6974930 Laser scanner  
Disclosed is a device for machining a workpiece transportable in a chosen direction in accordance with a selected pattern by a focussed laser beam. The device includes a scanner with a converging...
6858262 Method for producing a surface-alloyed cylindrical, partially cylindrical or hollow cylindrical component and a device for carrying out said method  
The invention relates to a method for manufacturing a surface-alloyed cylindrical, partly cylindrical or hollow cylindrical structural member where in the zone of incidence of the energy beam there...
6833526 Flex to flex soldering by diode laser  
A method to solder flex circuits by diode laser. First and second flex circuits composed of polymer flex substrate are provided. Each flex circuit has a top and a bottom side and at least one...
6816294 On-the-fly beam path error correction for memory link processing  
Laser beam positioners (300, 340) employ a steering mirror (236, 306) that performs small-angle deflection of a laser beam (270) to compensate for cross-axis (110) settling errors of a positioner...
6812430 Glass cutting method and apparatus with controlled laser beam energy  
A glass cutting apparatus includes a positioning unit that positions a laser beam along a virtual line on a glass to be cut. A laser beam unit irradiates a laser beam onto the glass along the...
6770843 Laser processing apparatus and method  
In a laser processing apparatus including a laser oscillator for emitting laser light onto a workpiece through an fθ lens for drilling a hole in the workpiece, a wavelength selector for passing ...
Matches 1 - 50 out of 294 1 2 3 4 5 6 >