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7361862 |
Laser marking system for dice carried in trays and method of operation
A laser marking system for IC packages including a tray input shuttle assembly and a tray transport borne by a transport actuator for moving a tray carrier carrying a tray of unmarked packaged ICs...
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7330774 |
Reception system
An operation control unit of a reception system includes a visitor ID information DB for storing therein visitor comparison information and visitor ID information including a phone number of a...
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7321808 |
Robot and multiple robot control method
When braking of a motion of a part of a first robot is assumed to be started at points in time, a first stop position of the first robot part is estimated at each point in time. When braking of a...
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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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7292616 |
CO2 laser stabilization systems and methods
Systems and methods for stabilizing a CO 2 laser are disclosed. The system includes a detector unit for measuring the power in a select portion of the output beam. The detector unit generates an...
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7284396 |
Method and system for laser marking in the volume of gemstones such as diamonds
A method and an apparatus for laser marking indicia in the volume of gemstones such as diamonds, the indicia being made up of a plurality of microscopic dot-shaped marks whose build-up can be...
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7283892 |
Hybrid compact sensing apparatus for adaptive robotic processes
A hybrid compact sensing apparatus for generating signals usable for guiding a process robot as a function of an object detected in a scene. The apparatus comprises a laser light generator, two...
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7273998 |
System and method for monitoring laser shock processing
A method and system for monitoring laser shock peening of a work piece. A line spectrum is obtained from radiation emitted by a plasma produced by a laser shock peening process. The shape of the...
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7257136 |
Laser apparatus
A laser apparatus ( 100 ) for performing the laser machining operation by condensing the laser light output from a laser oscillator ( 3 ) is disclosed. A laser output value calculation unit...
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7244906 |
Energy monitoring or control of individual vias formed during laser micromachining
A method and system increase the quality of results achieved by laser micromachining systems. Data relating to parameters controlling laser micromachining process are recorded during 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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7205501 |
Laser machining method and laser machining apparatus
A laser machining method and a laser machining apparatus superior in hole position accuracy and hole quality. An outgoing beam outputted as short pulses is shaped by a pulse shaping unit so as to...
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7173227 |
Laser beam processing apparatus
A laser beam processing apparatus includes a laser oscillator for producing a laser beam for processing a processing object, a focus head for focusing the laser beam output from the laser...
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7126746 |
Generating sets of tailored laser pulses
In a master oscillator power amplifier, a driver ( 208 ) of a diode laser ( 202 ) is specially controlled to generate a set of two or more injection laser pulses that are injected into a power...
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7126082 |
Automated laser engraver
The invention pertains to a large format, plotter-style automated laser engraver which can be used to engrave various materials. A cabinet body supports a substantially flat work surface which can...
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7072566 |
Ultrashort-pulse laser-working method and apparatus and structural bodies produced by using the same
A laser-working method is disclosed, which includes the steps of splitting a single pulse laser beam having a time width of not more than 500 picoseconds into plural pulse laser beams; subjecting...
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7050882 |
Method of controlling working conditions of a laser working machine and a computer-readable storage medium
When a working condition is set, if an operator sets the working condition, a control device ( 1 ) obtains an expected load factor of a laser oscillator ( 2 ) based on the set working condition,...
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7038591 |
Apparatus for testing and marking workpieces
A workpiece testing and marking system includes an apparatus for testing a workpiece and for selectively generating a signal that is representative of a result of the test. The system also includes...
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7027199 |
AOM modulation techniques for facilitating pulse-to-pulse energy stability in laser systems
Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM ( 60 ) facilitate substantially full extinction of a laser beam ( 90 ) to prevent...
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7018260 |
Electrode, manufacturing method thereof, and metal vapor discharge lamp
A first electrode part in a rod shape is placed on an upper side, and a second electrode part in a rod shape having a higher melting point than that of the first electrode part is placed on a lower...
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6998568 |
Method for fabricating, modifying or repairing of single crystal or directionally solidified articles
It is disclosed a method for fabricating, modifying or repairing of single crystal or directionally solidified articles. Two single crystal or directionally solidified prefabricated parts are joint...
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6972244 |
Marking semiconductor devices through a mount tape
Wafer level techniques for marking the back surfaces of integrated circuit devices are described. The back surface of the wafer is laser marked while being supported by a mount tape. In some...
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6914215 |
Real time laser shock peening quality assurance by natural frequency analysis
A real time method for quality control testing of a laser shock peening process of production workpieces by analysis of natural frequency shifts during the laser shock peening process. One...
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6900410 |
Laser welding processed
In a laser welding method, occurrence of weld defects is effectively prevented, and a high-quality weld joint is provided, and in addition, a wide range of material processes including a...
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6845295 |
Method of controlling a robot through a singularity
A method of controlling a robot ( 32 ) includes the steps of selecting an initial configuration from at least one of a first, second, and third sets to position a TCP at a starting point ( 44 )...
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6835426 |
Method and apparatus for pulse-position synchronization in miniature structures manufacturing processes
Pulse-position synchronized deposition of a material in miniature structure manufacturing processes is carried out in a fabrication tool including a material carrier element, a source of energy...
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6822186 |
Laser processing apparatus for plasma-induced ablation
The present invention relates to a laser processing apparatus for plasma-induced ablation having a laser light source for generating a processing laser beam, a focussing means for focussing the...
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6818856 |
Laser machining apparatus
A laser machining apparatus capable of effecting a feedback control of a laser output from an early stage of operation and detecting an abnormality of the laser output quickly and precisely. A...
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6791057 |
Method and device for machining workpieces using high-energy radiation
A method for processing workpieces by means of high-energy radiation, wherein the radiation is focused by a processing optic onto a processing site. The light radiation emanating form the workpiece...
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6727458 |
Energy-efficient, laser-based method and system for processing target material
An energy-efficient method and system for processing target material such as microstructures in a microscopic region without causing undesirable changes in electrical and/or physical...
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6720519 |
System and method of laser drilling
The present invention is a system for laser micromachining where a scan mirror and milling algorithm are used to produce high precision, controlled hole shapes in a workpiece. A picosecond laser...
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6703582 |
Energy-efficient method and system for processing target material using an amplified, wavelength-shifted pulse train
An energy-efficient method and system for processing target material such as microstructures in a microscopic region without causing undesirable changes in electrical and/or physical...
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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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6668454 |
Method for manufacturing a liquid-discharging recording head
A method for manufacturing a liquid-discharging recording head can prevent deviation in the dimensions and the pitch of grooves, serving as liquid channels, and holes, serving as discharging ports,...
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6639175 |
Marking device
A marking device for the creation of an optical mark onto an object has a laser connected to a power supply unit to create a laser beam and a speed acquisition device for determining a positioning...
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6608276 |
Apparatus for heating a small area of an object to a high temperature and for accurately maintaining this temperature
A heating apparatus includes: (i) a laser providing at least one beam of light capable of heating a small area of an object; (ii) a laser driver adapted to adjust optical power of this beam of...
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6586703 |
Laser machining method, laser machining apparatus, and its control method
This is to present a laser machining method and a laser machining apparatus for drilling holes, capable of achieving conduction securely between adjacent conductive layers, by detecting the...
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6584378 |
Device and a method for determining coordinates and orientation
When determining coordinates of a point of an object ( 2 ) in a reference system of coordinates and the orientation of the object in the space in a measuring position assumed by the object, the...
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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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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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6528006 |
Method of machining preformed plastic film by separation and/or ablation
The invention relates to a method of producing plastic film having a predefinable outline and/or even or uneven thickness, by machining preformed plastic film for separation and/or ablation. The...
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6521860 |
Beam path clearing for laser peening
An apparatus and method for providing a substantially debris-free laser beam path for use during laser shock processing. The method and apparatus include a system for removing debris from the laser...
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6518541 |
Duty cycle stabilization in direct metal deposition (DMD) systems
The laser duty cycle in a direct metal deposition (DMD™) system is monitored and used to control another device to keep the duty cycle within a desired range. In the preferred embodiment, the...
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6509543 |
Semiconductor laser heating apparatus
A semiconductor laser heating apparatus has a measuring instrument for measuring an optical-power output relative to a current to be supplied to the semiconductor laser. The heating apparatus also...
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6455807 |
Method and apparatus for controlling a laser-equipped machine tool to prevent self-burning
A control system is provided for a laser-equipped machine tool which is capable of preventing self-burning. The temperature of the workpiece proximate the cut is monitored, and a numerical control...
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6447125 |
Device for influencing a laser beam
The invention relates to a device for influencing a laser beam by means of an adaptive mirror ( 12 ) in the beam path, having a piezoelectric adjusting member ( 17 ) arranged on the back of the...
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6437287 |
Laser processing device
There is described a laser processing device ( 1 ) whereby, by means of laser light ( 6 ), a workpiece ( 4 ) can be processed and wherein, at the same time, an image of the workpiece ( 4 ) to be...
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6430472 |
Robot feature tracking devices and methods
Motorized slides are inserted between the end of a robot arm and a robot tool/sensor arrangement to provide additional positioning ability. A control unit of the slides cooperates with the control...
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6423933 |
Process and apparatus for weakening an automotive trim piece for an airbag deployment opening
A method and apparatus is disclosed for forming lines of weakness in an automotive trim piece so as to enable formation of an airbag deployment opening in the trim piece. A cutting beam, such as a...
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6420674 |
Heavy-duty laser plate cutting machine
A heavy-duty laser plate cutting machine capable of cutting heavy plate at production rates. The machine includes a laser source having an output power of 4 kilowatts or more. The machine is...
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