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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...
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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...
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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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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...
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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...
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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...
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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...
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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...
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7095762 |
Laser irradiation method, laser irradiation apparatus, and semiconductor device
An object of the present invention is obtaining a semiconductor film with uniform characteristics by improving irradiation variations of the semiconductor film. The irradiation variations are...
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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...
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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....
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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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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,...
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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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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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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...
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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...
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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...
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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...
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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...
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6759628 |
Laser annealing apparatus
A laser annealing apparatus for fabricating a thin film semiconductor device integratedly formed with thin film transistors each of which includes a semiconducting thin film formed on the surface...
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6746724 |
Dual paint coat laser-marking labeling system, method, and product
The present invention is directed to a system for marking objects for their identification which marks survive elevated temperatures of, say, up to 600° to 800° F. or higher, for extended periods...
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6693258 |
Process for producing thin film semiconductor device and laser irradiation apparatus
A polycrystalline thin film of good quality is obtained by improving a crystallization process of a semiconductor thin film using laser light. After conducting a film forming step of forming a...
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6689544 |
Ablation enhancement layer
An ablatable laminar imaging medium useful in the manufacture of a substantially transparent electrode assembly is disclosed. The laminar imaging medium comprises a substrate, a high-index metal...
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6677554 |
Selective laser sintering with optimized raster scan direction
A computer-controlled apparatus and method for fabricating three-dimensional articles in layerwise fashion is disclosed. Upon dispensing a layer of a fusible powder, a laser irradiates selected...
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6676878 |
Laser segmented cutting
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...
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6674045 |
Galvanometer controller and laser machining apparatus
A galvanometer controller capable of control with stability and with immunity to changes with time and variation in environment temperature and having improved operability and expandability, and a...
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6603094 |
Laser wire stripper apparatus and method therefor
An assembly for use in a laser wire stripping apparatus that has a single piece channel assembly which has a pathway for allowing a light source to travel through the channel assembly to a...
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6586707 |
Control of laser machining
A UV laser beam is used to machine semiconductor. The beams intensity (I B ) is chosen so that it lies in a range of such values for which there is an increasing (preferably linear) material...
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6584982 |
Cigarette butt marking for smoking machines
An apparatus for marking cigarettes with a mark to terminate operation of a smoking machine includes a jig for holding at least 40 cigarettes and maintaining the cigarettes' position with a seam...
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6570124 |
Laser processing method
A laser processing method includes the steps of irradiating a projection mask having a light transmitting area, for allowing a laser beam to be transmitted therethrough, with the laser beam; and...
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6555781 |
Ultrashort pulsed laser micromachining/submicromachining using an acoustooptic scanning device with dispersion compensation
A method and apparatus for precision laser scanning suitable for precision machining or cleaning using an ultrashort pulsed laser beam are disclosed. The apparatus employs a laser source that emits...
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6548125 |
Method of internally coating a weapon barrel by means of a laser beam
A method of coating an inner surface of a weapon barrel includes the following steps: directing a laser beam against the inner barrel surface to cause melting of regions thereof; introducing a...
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6548009 |
Method for controlling twist curvature of a disc head slider
An apparatus and method for controlling twist curvature of a disc head slider is provided, where the slider has a bearing surface, a back surface, which is opposite to the bearing surface, a...
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6534744 |
Method for manufacturing a display device
A device-forming region where a semiconductor device is formed is arranged on a substrate in the matrix of 2×2. A linear laser beam has a cross-section having a length longer than the width of the...
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6534740 |
Method and device for scanning the surface of an object with a laser beam
The present invention relates to a device and a process using a laser beam to scan an area of an object, in particular, for selective laser melting of metal powder for fabrication of a mold. The...
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6532394 |
Method and apparatus for data manipulation and system control in a selective deposition modeling system
A method of manipulating data in a method for forming a three-dimensional object layer by layer from an ink jettable, solidifiable material by providing data corresponding to a plurality of...
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6531681 |
Apparatus having line source of radiant energy for exposing a substrate
Radiant energy line source(s) (e.g., laser diode array) and anamorphic relay receiving radiant energy therefrom and directing that energy to a substrate in a relatively uniform line image. The line...
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6525295 |
Laser imaging apparatus
A laser imaging apparatus for forming an image on a surface of a substrate is provided with a laser source that emits a laser beam, a table mounting the substrate, the table being movable in a...
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6509547 |
Method for laser stripping of optical fiber and flat cable
This invention results from the realization that a laser can remove the protective layer(s) from the glass or fused silica optical fiber core and cladding more effectively and more reliably than...
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6497985 |
Method for marking steel and aluminum alloys
The present invention relates to a method for marking metallic alloys using laser alloying. Specifically, the present invention is directed toward the use of laser alloying steel or aluminum alloys...
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6492615 |
Laser polishing of medical devices
A desired portion of a stent may be polished by irradiating at least a portion of the surface of the stent substrate with a laser beam from the laser at a wavelength absorbed by the stent substrate...
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6486435 |
Device and method for structuring the surface of floor coverings which have already been laid
The invention relates to a device and method for structuring the surface of floor coverings which have already been laid, comprising various floor coverings which may also consist of mineral...
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6407363 |
Laser system and method for single press micromachining of multilayer workpieces
A single pass actuator ( 70, 200 ), such as a deformable mirror ( 70 ), quickly changes, preferably in less than 1 ms, the focus and hence the spot size of ultraviolet or visible wavelength laser...
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6394158 |
Method and device for thermally bonding connecting surfaces of two substrates
A method for the thermal connection of overlapping connecting surfaces ( 19, 20 ) of two substrates ( 17, 18 ), at least one substrate ( 18 ) being 5 transparent and laser energy being applied to...
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6355401 |
Method for preparing a high definition window in a conformally coated medical device
A method is disclosed for rapidly removing electrically insulative coating material from a portion of the titanium housing of an implantable cardiac pulse generator. Pulsed excimer laser radiation...
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6329632 |
Method and device for machining holes or shapes of varying profile using an excimer laser
A device for machining a hole or a shape of varying profile in a mechanical workpiece using an excimer laser comprises a screen having an aperture of predetermined shape disposed between the...
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6307175 |
Method of producing a noncircular cooling bore
In a method of forming a cooling bore in a wall of a workpiece, the configuration of a feed section and a diffuser section is selected, a throughbore is produced with a cross-sectional area within...
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6268585 |
Method of forming groove by laser
A method of forming a groove having a desired cross section easily and rapidly, by making laser beam scan in the longitudinal direction of the groove. In the method, a laser beam 11 is irradiated...
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6231566 |
Method for scanning a pulsed laser beam for surface ablation
A fast and smooth scanning for achieving a uniform ablated surface without relying on any synchronization between the laser pulses and the scanner mirror positions. The scanning takes a series of...
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