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7367930 |
Automatic tool changer of laser beam machine
The invention provides a rotation-type changer of torches and nozzles for a laser beam machine having a movable table. The automatic tool changer 100 of a laser beam machine is equipped with a...
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7356240 |
Processing method of polymer crystal, processing system of polymer crystal, and observation system of polymer crystal
The ultraviolet short-pulse laser light emitted from the ultraviolet short-pulse laser light source 1 is focused on and caused to irradiate a macromolecular crystal 8 contained in a sample...
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7348517 |
Laser cutting apparatus with a high quality laser beam
A laser cutting apparatus capable of properly cutting a workpiece having a large thickness with a laser beam. The laser cutting apparatus includes a gas laser oscillator; and an optical system...
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7326630 |
Method of fabricating semiconductor device utilizing laser irradiation
Crystallization by irradiation of laser light forms a plurality of convex portions (ridges) on the surface of a crystalline semiconductor film that is obtained, which decreases a film quality. A...
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7311771 |
Method and apparatus for forming crystalline portions of semiconductor film
A crystallization apparatus according to the present invention includes a first irradiation system which irradiates a predetermined area on a glass substrate having an irradiation target, i.e., an...
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7304265 |
Method and system for machining fragile material
In a method for processing brittle material, a laser light from a laser light source irradiates the brittle material and transports an irradiating position of the laser light along a predetermined...
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7291805 |
Target isolation system, high power laser and laser peening method and system using same
A system for applying a laser beam to work pieces, includes a laser system producing a high power output beam. Target delivery optics are arranged to deliver the output beam to a target work piece....
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7288738 |
Laser bruting machine
A laser bruting machine has three sections: (i) a diamond holder, (ii) a set up device and (iii) a processing device. The diamond holder includes a rough diamond, a stitching die and a magnetic...
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7285744 |
Method and apparatus for simultaneously heating materials
A method and apparatus for simultaneously heating materials, in particular for welding plastic components, having an arbitrary shape of a flat heating contour by laser radiation is provided. The...
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7282666 |
Method and apparatus to increase throughput of processing using pulsed radiation sources
A material processing system and method is disclosed for processing materials such as amorphous silicon in an annealing processes and lithography processes on a silicon wafer, as well as ablation...
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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...
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7259352 |
Laser welding method and laser welding device
A laser welding process of the present invention comprises the steps of allowing a laser beam outputted from a laser beam generator to enter into an optical fiber through a light-introducing...
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7253376 |
Methods and apparatus for truncating an image formed with coherent radiation
Methods and apparatus for truncating an image formed with coherent radiation. The optical relay system is adapted to form a line image at the image plane. The image is truncated by a variable...
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7253120 |
Selectable area laser assisted processing of substrates
A system and method for selectable area laser treatment of a substrate, such as thin film transistors, the system including a holder holding a substrate in proximity to reactant, and laser beams...
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7211763 |
Photon energy material processing using liquid core waveguide and a computer program for controlling the same
A liquid core waveguide photon energy material processing system is provided. The system includes a photon energy source configured to generate a high intensity photon beam for material processing....
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7210820 |
Methods and apparatuses for homogenizing light
Embodiments of the present invention are directed to an illuminating optical device for forming a field of illumination. The optical device includes a first one-dimensional homogenizer positioned...
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7208696 |
Method of forming a polycrystalline silicon layer
A method of forming a polycrystalline silicon layer. An amorphous silicon layer on a substrate is completely melted using a laser beam passed through a mask so as to form a polycrystalline silicon...
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7193693 |
Apparatus for manufacturing flat panel display devices
A mechanism for always measuring the spatial intensity distribution of a laser beam and displacement of the optical axis of the laser beam is provided so that a measured signal is processed when...
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7176409 |
Multiple beam micromachining system for removing at least two different layers of a substrate
A system for delivering energy to a substrate including a dynamically directable source of radiant energy providing a plurality of beams of radiation, each propagating in a dynamically selectable...
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7176406 |
Device for cutting material by means of a laser beam
Device for cutting material by a laser beam, which device ( 1 ) comprises a laser source ( 2 ) for generating a laser beam ( 3 ) with an optical axis ( 10 ) and a focusing lens ( 8 ) for focusing...
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7161113 |
Laser machining system for forming multiple machining spots by a single laser
A laser machining system is provided that includes a work-piece and at least one light source that produces a laser light along a first axis. The laser light defines a first portion of laser light...
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7157661 |
Method and apparatus for laser machining
A laser-machining method is provided in which a laser beam is generated with an energy intensity distribution that is a Gaussian distribution. The laser beam is shaped by applying a phase...
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7152434 |
Method for producing planar lens and planar lens array
A glass substrate is irradiated with a converged laser beam to thereby form a spherical or nearly spherical convex portion on a surface of the glass substrate. More preferably, there may be used a...
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7148447 |
Method and apparatus for laser marking by ablation
A precision, laser-based method and system for high-speed, sequential processing of material of targets within a field are disclosed that control the irradiation distribution pattern of imaged...
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7145710 |
Optical processing
To operate an optical device comprising an SLM with a two-dimensional array of controllable phase-modulating elements groups of individual phase-modulating elements are delineated, and control data...
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7137282 |
Laser shock peening
In a laser shock peening process, the shape of the spot generated by the laser beam is changed on the fly. This is achieved, for example, by a masking device which is movable into and out of the...
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7129440 |
Single axis light pipe for homogenizing slow axis of illumination systems based on laser diodes
Apparatus for thermally processing a semiconductor wafer includes an array of semiconductor laser emitters arranged in plural parallel rows extending along a slow axis, plural respective...
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7110174 |
Relay telescope for high power laser alignment system
A laser system includes an optical path having an intracavity relay telescope with a telescope focal point for imaging an output of the gain medium between an image location at or near the gain...
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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...
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7049544 |
Beamsplitter for high-power radiation
A beamsplitter apparatus for use with high-power radiation is disclosed. The apparatus includes a thermally conductive frame with a central aperture. The frame holds a window in the central...
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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...
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7005605 |
Laser irradiation apparatus and method
A laser machining apparatus machines a workpiece at uniform intensity by converting a CO 2 laser beam to uniform intensity using an intensity-converting element and a phase-matching element. The...
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7003864 |
Method for producing a part and device for carrying out this method
The present invention relates to a method for producing a part ( 108, 200, 300 ), comprising the following steps:
a) applying a first flat layer consisting of a support material ( 102, 202,...
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6989508 |
High-speed, precision, laser-based method and system for processing material of one or more targets within a field
A precision, laser-based method and system for high-speed, sequential processing of material of targets within a field are disclosed that control the irradiation distribution pattern of imaged...
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6984802 |
Laser beam machining device
A laser material processing apparatus for processing a workpiece ( 22 ) in such a way as to separate one laser light ( 26 ) into two laser beams ( 26 a , 26 b ) via first polarizer ( 25 ), one...
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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...
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6927359 |
Pulsed fiber laser cutting system for medical implants
An improved expandable stent for implantation in a body lumen, such as an artery, and an improved method for making it from a single length of tubing. The stent consists of a plurality of radially...
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6924457 |
Laser processing method to a class substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements
In a laser processing method for accurately forming a convexo-concave structure on the surface of a glass substrate, a periodic optical intensity distribution of a laser beam is obtained by an...
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6917012 |
Reducing electromagnetic feedback during laser shock peening
A laser shock peening apparatus includes a laser unit for generating at least one laser beam aimed at a laser shock peening area and an anti-feedback means for preventing electromagnetic radiation...
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6909065 |
Altering method of circuit pattern of printed-circuit board, cutting method of circuit pattern of printed-circuit board and printed-circuit board having altered circuit pattern
A method for altering a circuit pattern of a printed-circuit board includes the steps of removing a portion of the printed-circuit board so that the circuit pattern inside the printed-circuit board...
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6906282 |
Laser processing apparatus, mask for laser processing, and method for making the mask
A mask 10 comprises a mask member layer 12 having a laser processing pattern and comprising a metallic material and first and second substrate members 11 and 13 holding the mask member on...
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6903302 |
Method for manufacturing valve seat using laser cladding process
A method for manufacturing valve seats using a laser cladding process is provided that includes forming a casting material on which the valve seats are to be formed; fabricating a valve seat target...
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6884962 |
Beam or wave front
An improved beam for use in ablating a surface to be processed. The improved beam front has a profile with a plurality of undulation and the plurality of undulations define a plurality of annular...
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6881926 |
Laser irradiating system
A laser irradiating system, comprising a light source for emitting a laser beam in elliptical shape, a light source holder for holding the light source, a base for rotatably supporting the light...
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6881925 |
Laser emission head, laser beam transmission device, laser beam transmission device adjustment method and preventive maintenance/repair device of structure in nuclear reactor
A laser emitting head for irradiating a portion to be machined with laser beams outputted from a laser unit ( 624 ) incorporates an emitting head body having a light guide member ( 625 ) in the...
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6875951 |
Laser machining device
A laser machining device according to the invention is provided with a laser oscillator for generating a laser beam, a main deflecting galvannometer mirror, an Fθ lens, and a sub-deflecting means...
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6870126 |
Semiconductor device, annealing method, annealing apparatus and display apparatus
The semiconductor device according to the present invention has a semiconductor layer having not smaller than two types of crystal grains different in size within a semiconductor circuit on a same...
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6849824 |
Multibeam laser drilling apparatus
Provided is a multi-beam laser drilling apparatus for drilling a workpiece, simultaneously at two positions while telecentric errors are suppressed, in which a conventional optical system in which...
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6838638 |
Laser beam machining method
A method of laser beam machining which has a simple construction and which is capable of suitably processing a part to be processed by means of laser beams is provided. A plurality of laser diode...
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6818858 |
Laser processing unit and processing apparatus comprising laser processing unit
There are provided a laser processing unit easily detachable for replacement from the main body of a processing apparatus, excellent in maintainability, and capable of performing an efficient...
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