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| Number | Title | Issue Date |
| 6515253 | Process for laser machining continuous metal stamped strip A process for laser machining continuously metal stamped strip feeds a strip of metal into an otherwise conventional press and partially, mechanically forms a part in the strip, without removing the part from the strip. The partially formed part, as still... | 02/04/2003 |
| 6512197 | Laser cutting machine and method A laser cutting method employs at least two sensors which are operative during the cutting operation to monitor process parameters and send signals indicative of the monitored parameters determining parameters of the cutting operation in which are indicat... | 01/28/2003 |
| 6512196 | Laser cutting device and method for cutting glass substrate by using the same Laser cutting device for cutting a glass substrate of a liquid crystal display, and methods for cutting a glass substrate using that device. The device includes a vacuum chuck rotatably mounted for securing bonded first and second substrates, a rotating m... | 01/28/2003 |
| 6509546 | Laser excision of laminate chip carriers A method and associated structure for excising laminate chip carriers from a panel that has a thickness less than about 100 mils. A laser beam is focused on a surface of the panel, and the panel is moved relative to the laser beam in a geometric pattern, ... | 01/21/2003 |
| 6509545 | Laser cutting machine and method A machine and a process for thermal cutting of workpieces has at least one workpiece support (8) for the workpiece, at least one thermal cutting device (2), and at least one machine device (10, 11) to move the workpiece support (8) and the cut product adh... | 01/21/2003 |
| 6501047 | Laser-scribing brittle substrates Laser-scribing brittle substrates along a curvilinear path is effected by impinging and moving at least two laser light beam spots along the substrate surface, the first spot preheating the substrate and the second smaller spot heating the substrate to th... | 12/31/2002 |
| 6498319 | Method and an apparatus for manufacturing multi-layer boards using laser light A plurality of green sheets are prepared, and at least one board pattern is formed on each of the sheets. The sheets are laminated and bonded with each other to form a multi-layer board. The unsintered multi-layer board is cut by irradiating the periphery... | 12/24/2002 |
| 6495794 | Rapid prototyping method using 3-D laser inner cutting An apparatus and method for forming a three-dimensional object within a block of transparent material by using a laser beam. This is useful in the field of rapid prototype manufacturing (RPM) in which a computer-generated CAD file defining an object may b... | 12/17/2002 |
| 6491361 | Digital media cutter A printer includes a rasterized laser illumination system. The printer may be an ink jet type and the application of laser light may be controlled digitally along with the ink droplet ejection. The media may be cut or etched with the laser, or heat may be... | 12/10/2002 |
| 6489588 | Method and apparatus for separating non-metallic materials A method and apparatus for splitting non-metallic substrates includes a laser for generating a laser beam. An integrated cracking devices receives the laser beam and directs the laser beam onto a non-metallic substrate to define the heat affected zone and... | 12/03/2002 |
| 6489586 | Method and apparatus for verification of assembled printed circuit boards An overlay device and a method for making an overlay device for verifying the correct placement of assembled components on a printed circuit board. The overlay device has laser-cut cutouts to assist users to more precisely verify the correct assembly of c... | 12/03/2002 |
| 6482330 | Method for manufacturing a data storage card A method for making a credit card (or other type of data storing card) comprising a magnetic strip includes the step of depositing a magnetic recording layer on a substrate, cutting the substrate into strips, and mounting the strips onto the credit card. ... | 11/19/2002 |
| 6476350 | Device and method for extended distance cutting by laser, in pulse mode The invention relates to a device for laser cutting, having: means (2) for emitting a pulsed laser beam, with energy pulses Eࣙ10 joules, at least one optical fiber (4) for transmitting the laser pulses, from the means of emitting the laser beam in the direct... | 11/05/2002 |
| 6476348 | Laser cutting system with a sheet loading device A laser cutting system including a laser cutting device, a sheet supporting and positioning grid, sheet loading members, and an intermediate sheet transfer device. A laser device is able to cut a metal sheet while the sheet is supported by a grid. The gri... | 11/05/2002 |
| 6476347 | Laser-assisted cutting device The present invention provides an apparatus for cutting wood or other materials by separating the material along a line of controlled failure through the application of mechanical force in combination with laser light to break molecular bonds holding the ... | 11/05/2002 |
| 6465767 | Photomultiplier tube reprocessing A photomultiplier tube includes dynodes electrically joined to corresponding leads. The tube, containing a loose debris particle, may be reprocessed by positioning the particle at an accessible site inside the tube. A power laser is aimed at the particle ... | 10/15/2002 |
| 6462301 | Heavy-duty plate laser with linear motors for X and Y position control A heavy-duty laser plate cutting machine capable of cutting heavy plate but which can also operate on lighter sheet metal at commercial production rates. The machine includes a laser source having an output power of 3 kilowatts or more. The machine is pre... | 10/08/2002 |
| 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 compares the actual workpiece temperature to a prestored t... | 09/24/2002 |
| 6455805 | Tray mask plate for laser-trimming apparatus A stainless steel plate establishes a mask plate for a laser trimming tray. The plate has several openings through which laser light can be directed onto semiconductor chips borne by the tray. The plate is supported on pneumatic pistons which can raise th... | 09/24/2002 |
| 6454987 | Micro structure and its manufacture method A laminated substrate is prepared, the laminated substrate having two layers including a first film and a second film in tight contact with the first film, the second film being made of a material capable of being etched with synchrotron radiation light. ... | 09/24/2002 |
| 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 mirror (12), it being the case that, in order to achieve low-aber... | 09/10/2002 |
| 6438996 | Method for cracking off glassware A method for cracking off glassware (1), whereby glass pieces (1) are subjected to a laser radiation treatment (F). In a first step, the part of the glassware to be cracked off (3) is subjected in a region thereof to the action of a continuous laser radia... | 08/27/2002 |
| 6433301 | Beam shaping and projection imaging with solid state UV Gaussian beam to form vias A diode-pumped, solid-state laser (52) of a laser system (50) provides ultraviolet Gaussian output (54) that is converted by a diffractive optical element (90) into shaped output (94) having a uniform irradiance profile. A high percentage of the shaped ou... | 08/13/2002 |
| 6429401 | Apparatus for verification of assembled printed circuit boards An overlay device for verifying the correct placement of assembled components on a printed circuit board. The overlay device has cutouts to assist users to more precisely verify the correct placement of components with or without leads. Some overlay embod... | 08/06/2002 |
| 6426479 | Nozzle system for laser beam cutting A nozzle arrangement for laser beam cutting, having a nozzle body surrounding a focused laser beam and with a passage opening for the laser beam, and having a nozzle sleeve which surrounds the nozzle body and forms with the nozzle body an annular gap whic... | 07/30/2002 |
| 6424670 | Apparatus and method for making laser sources and laser platforms interchangeable and interfaceable The beam path [80] of a laser source [10] is first pre-aligned to a predetermined reference, and then the optical axis [90] of the beam delivery system [40, 50] of a laser material processing platform [20] is pre-aligned to the pre-aligned beam path of th... | 07/23/2002 |
| 6423929 | Device for the laser processing of flat workpieces A workpiece, designed as a printed circuit board for example, can be moved by means of a transport device under a laser unit in such a way that a region to be machined of the workpiece passes into the deflecting region of the laser beam. The workpiece is ... | 07/23/2002 |
| 6423928 | Gas assisted laser cutting of thin and fragile materials An improved method and apparatus for laser cutting a thin fragile material using a high velocity assist gas to remove molten material and laser-generated debris is characterized by the high velocity assist gas exerting substantially zero force on the mate... | 07/23/2002 |
| 6423925 | Apparatus and method for combining multiple laser beams in laser material processing systems Each one of multiple laser sources are independently separately mounted on a laser material processing platform and their beam paths are combined by a combiner which includes one or more optical elements mounted in the laser material processing platform w... | 07/23/2002 |
| 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 preferably of the flying optic configuration, and an automatic b... | 07/16/2002 |
| 6420677 | Laser machining cooling holes in gas turbine components The present invention provides a method of laser machining a cooling hole in a hollow gas turbine component, the cooling hole including a circular cross section metering hole and a diffuser with an opening which extends from a shape locus in the metering ... | 07/16/2002 |
| 6420678 | Method for separating non-metallic substrates A method for physically separating non-metallic substrates by forming a microcrack in the substrate and controllingly propagating the microcrack. An initial mechanical or pulsed laser scribing device forms a microcrack in the substrate. If a pulsed laser ... | 07/16/2002 |
| 6410883 | Cleaning device and method for cleaning resin sealing metal mold A cleaning device and a cleaning method for cleaning a resin sealing metal mold effective for removing complex stains on the metal mold in a short time, the stains containing organic and inorganic substances. The cleaning device decomposes stains on the i... | 06/25/2002 |
| 6407360 | Laser cutting apparatus and method A laser cutter for cutting an object being cut such as a two glasses-attached panel for LCD using a laser beam. The laser cutter includes a laser unit for irradiating a laser beam with a specific wavelength along a marked cutting line of the object, a pre... | 06/18/2002 |
| 6393687 | Machine tool for the processing of workpieces with cutting tool and laser beam A machine tool for selectively machining workpieces with cutting tools and a laser beam having a machining unit including a motor-driven work spindle for machining workpieces with cutting tools, a laser beam source including a beam guiding arrangement for... | 05/28/2002 |
| 6388228 | Structure of laser sculpturing machine Structure of laser sculpturing machine including an upper casing, a base seat, a transmission unit, a cutter seat, a focusing pin, an elevating mechanism, a controlling valve and a light beam guiding unit. The upper casing is mounted on the base seat. The... | 05/14/2002 |
| 6384371 | Laser beam machining apparatus A laser beam machining apparatus capable of highly accurate machining at a high speed. A parallel link mechanism including a plurality of links is fixed to a frame and a workpiece holder having moving means is provided thereunder. The links of the paralle... | 05/07/2002 |
| 6380509 | Method and device for the manufacture of connection ends on metal hoses The invention provides improved and simplified production of connection ends on metal strip wound hose pieces which are separated from endless strip wound hose, by continuously guiding a laser beam about the entire periphery of the strip wound hose member... | 04/30/2002 |
| 6376800 | Maskant for use during laser welding or drilling A maskant is provided for use during laser welding or drilling comprising a paste of metallic powder and silica.... | 04/23/2002 |
| 6376798 | Laser cutting system A laser cutting system has a specially designed frame that allows the laser cutting head to be mounted to the underside of a cross beam for a more efficient movement. The frame is further designed so as to allow the accessing of the work area of the laser... | 04/23/2002 |
