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| Number | Title | Issue Date |
| 6300590 | Laser processing The invention provides a system and method for vaporizing a target structure on a substrate. According to the invention, a calculation is performed, as a function of wavelength, of an incident beam energy necessary to deposit unit energy in the target str... | 10/09/2001 |
| 6288358 | Mobile laser peening system A remote laser shock processing system for improving the properties of a solid workpiece by providing shock waves therein. The system includes a remote output end and a laser beam delivery arrangement for directing a beam of coherent energy to a specific ... | 09/11/2001 |
| 6229111 | Method for laser/plasma surface alloying The present invention is directed toward a method for plasma assisted laser surface alloying. Specifically, the present invention is directed toward a method for surface alloying using a laser beam having a rectangular cross sectional area and a plasma ar... | 05/08/2001 |
| 6215099 | Multi-Laser Combustion surface treatment A method of Multi-Laser Combustion (MLC) surface treatment, by irradiation with laser beams, which includes generating several laser beams having synchronized pulses and controlled delays, unifying the beams to a single beam and optically splitting every ... | 04/10/2001 |
| 6204469 | Laser welding system The present invention relates generally to an improved laser welded work piece, such as an automotive body panel, and a system and method for the manufacture thereof. The invention is also directed to an improved system for manufacturing the welded work p... | 03/20/2001 |
| 6202444 | Producing a glass object having an encodable layer A method of providing an encodable layer on a glass object and on the resultant product. Said layer is formed by providing a paste containing glass frit, pigment and a binder, on the hot glass. As a result, the glass frit melts, causing the pigment to adh... | 03/20/2001 |
| 6201209 | Laser system for marking or perforating A laser system for marking or perforating, including a laser tube and a head having an adjustable optical system with at least one focusing lens. The telescopic tube, a system of lenses for the light beam correction, and a deflexion system are integrally ... | 03/13/2001 |
| 6198069 | Laser beam temporal and spatial tailoring for laser shock processing Techniques are provided for formatting laser pulse spatial shape and for effectively and efficiently delivering the laser energy to a work surface in the laser shock process. An appropriately formatted pulse helps to eliminate breakdown and generate unifo... | 03/06/2001 |
| 6195164 | Systems and methods for calibrating laser ablations Improved systems, methods, and apparatus for calibrating a laser ablation system by measuring the optical power and shape of a test surface that has been ablated by energy delivered from a laser. The quality of the ablated test surface can be monitored to... | 02/27/2001 |
| 6191385 | Smart controller for laser peening A laser shock processing apparatus with controller for controlling laser shock processing operation. The controller generates an operator perceivable alert when a processing value is not within a predetermined range of a preset value. The controller may a... | 02/20/2001 |
| 6188040 | Method for making an object made of translucent synthetic material, in particular an ophthalmic lens, marked object and corresponding reader A translucent synthetic material article such as an ophthalmic lens comprises a plurality of well-shaped cells, some of which have at least one upstanding projection on their bottom walls. The projection have a height between 1/5 and 1/1 the cell depth an... | 02/13/2001 |
| 6188041 | Method and apparatus for real-time weld process monitoring in a pulsed laser welding A method and apparatus for real-time weld process monitoring are provided for a pulsed laser welding. The thermal radiation from a weld pool is measured at several spectral bands through an aperture with single-element detectors after splitting the spectr... | 02/13/2001 |
| 6180912 | Fan-out beams for repairing an open defect An apparatus for metal line deposition and a method for metal line deposition using the apparatus. A donor plate has a donor substrate transparent to a focused coherent light beam. The donor plate has a donor surface coated with a metallic material. The d... | 01/30/2001 |
| 6169758 | Laser output detector A laser output detector is provided which comprises: a convertor unit having a light sampling port to be located adjacent a projecting portion of a laser beam projector for sampling a fraction of a convergent portion of a laser beam projected from the las... | 01/02/2001 |
| 6160240 | Method of producing microstructural medical implants In a method of producing microstructural medical implants by laser material processing, it is provided to make use of a tunable laser beam of a pulse length in the order of magnitude of femtoseconds, and of a laser irradin that is variable in its frequ... | 12/12/2000 |
| 6156030 | Method and apparatus for high precision variable rate material removal and modification A method and apparatus is disclosed for fast precise material processing and modification which minimizes collateral damage. Utilizing optimized, pulsed electromagnetic energy parameters leads to an interaction regime which minimizes residual energy depos... | 12/05/2000 |
| 6153854 | Aluminum sheet product and method of welding structural components In the welding of aluminum alloy, structural components, e.g. in the aerospace industry, one of the welded components is a sheet product having a core and a clad layer of filler material. During welding, the clad layer provided filler for the welding pool... | 11/28/2000 |
| 6140603 | Micro-cleavage method for specimen preparation A micro-cleavage method for preparing a semiconductor specimen for examination by an optical or electron microscopic is disclosed. The method can be carried out by hand and thus no expensive equipment such as a polishing machine is necessary. In the metho... | 10/31/2000 |
| 6140606 | 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... | 10/31/2000 |
| 6136141 | Method and apparatus for the fabrication of lightweight semiconductor devices Lightweight semiconductor devices are fabricated upon a relatively thin substrate member by a process wherein the substrate is first bonded to a relatively thick support member. The semiconductor device is then formed on the bonded substrate, and the subs... | 10/24/2000 |
| 6133541 | Method for cutting Y bevels In the method for producing components with a beveled cut edge (Y bevel), a plasma torch is used to make a vertical cut through a preferably flat material and then a laser beam is used to make an inclined cut along the cut edge produced.... | 10/17/2000 |
| 6130400 | Ballistic momentum apparatus and method for monitoring and controlling laser shock peening A method for quality assurance of a laser process and, more particularly, a laser shock peening process that uses a ballistic momentum apparatus for maintaining quality control of a laser shock peening process that uses a laser includes a movable target m... | 10/10/2000 |
| 6130401 | Device and method for machining transparent medium by laser Transparent media having high hardness and poor light absorption is cut or scribed with characters or figures by a laser beam. The method includes forming a support of a medium which is a good absorber of a laser beam, and placing the transparent medium o... | 10/10/2000 |
| 6118527 | Method for monitoring the functionality of the transparent protective element of a transparent laser optical system, and a device for carrying out this method A type of "light barrier" is used to monitor the functionality of the transparent protective element (5) of a transparent laser optical system: additional light (15) is coupled into a lateral surface of the protective element (5) at an angle which deviate... | 09/12/2000 |
| 6111214 | Laser welding apparatus A laser welding apparatus 10 according to the present invention comprises: a laser output mechanism 1 for applying a welding laser beam from its output end to a welding position of an object to be welded; and a plurality of jet nozzles for blowing out a s... | 08/29/2000 |
| 6111213 | Welding fittings on a hydraulic cylinder A fitting is mounted on a hydraulic cylinder tube having a cylindrical outer surface by first positioning the fitting against the surface of the tube with the fitting engaging the surface along an arcuate contact line and then directing a laser beam at th... | 08/29/2000 |
| 6107598 | 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.... | 08/22/2000 |
| 6098533 | Conveyor for stabilizing packets of cigarettes coming off a packing machine A conveyor for stabilizing packets of cigarettes coming off a packing machine, whereby each packet is fed along a stabilizing path and through a marking station by a pair of opposite facing conveyor belts partly engaging respective opposite minor lateral ... | 08/08/2000 |
| 6087618 | X-ray imaging array detector and laser micro-milling method for fabricating array An x-ray focal plane array (XFPA) detector is fabricated by a laser micro-milling method under strict process control conditions. The detector has an array of phosphor pixels bonded together with a light reflective adhesive filling the grooves between adj... | 07/11/2000 |
| 6087617 | Computer graphics system for generating an image reproducible inside optically transparent material A computer graphics system for generating an image reproducible in the interior of optically transparent material. An image reproducible inside optically transparent material is defined by potential etch points, in which the breakdowns required to create ... | 07/11/2000 |
| 6087624 | Programmable fiber chopper and method therefor This apparatus uses a programmable controller to control laser beam and standard fiber chopper units. The units usually are affixed to resin mix heads. The conventional choppers use steel blades that are randomly spaced, angled and sized. The PC also vari... | 07/11/2000 |
| 6087625 | Laser machining apparatus A pulsed laser beam from a laser oscillator 10 is split into two by a beam splitter 13. The split laser beams are radiated by X-Y scanners 14 and 16 through working lenses 17 and 18 onto a work 20. Additionally on the work, the laser beams are swung in X-... | 07/11/2000 |
| 6080957 | Micromechanical tool A micromechanical tool includes at least one functional module. The functional module has a housing which is constructed as a layer package consisting of structured, flat material elements forming several layers of the layer package. In one embodiment the... | 06/27/2000 |
| 6073464 | Laser surface treatment device and method A laser surface method involves applying a laser beam treatment in one or several steps to a series of generally similar surfaces of given depth. Properties of the laser treatment are selected so as to change the physical state of each surface. Ellipsomet... | 06/13/2000 |
| 6075221 | Mechanism and method of making anti-slip handles The method and mechanism of making an anti-slip handle having a gripping portion in which a plurality of grooves are formed in the gripping portion of the handle with the first set of grooves formed in one direction and the second set of grooves formed in... | 06/13/2000 |
| 6068728 | Laser texturing with reverse lens focusing system The depth of focus of a lens focusing system for laser texturing a magnetic recording medium is increased by reversing the lens system. Lens reversal provides symmetrical energy distributions in both negative and positive defocus ranges. An embodiment inc... | 05/30/2000 |
| 6060687 | Method of laser cutting metal workpieces The invention concerns a method for laser cutting metal workpieces which contain bound oxygen by using a mixture of ay least one inert gas and hydrogen as the cutting gas. The hydrogen protein of the cutting gas prevents oxygen which is from the metal dur... | 05/09/2000 |
| 6058132 | Laser beam machining apparatus using a plurality of galvanoscanners In an optical path of a laser beam, a reflection mirror (11) is located to divide the laser beam into two split laser beams. By the use of the split laser beams, workpieces (17a, 17b) are simultaneously processed.... | 05/02/2000 |
| 6054671 | Methods of making a chain saw guide bar with high wear resistance strips To increase the wear resistance of the nose of a chain saw guide bar, a U-shaped strip of wear-resistant alloy is welded to the edge surface of each side rail of the guide bar at the nose. Each strip has a greater width at the crest of the strip than at t... | 04/25/2000 |
| 6049058 | Laser peening process and apparatus with uniform pressure pulse confinement A method and apparatus for improving properties of a solid material by providing shock waves therethrough. Laser shock processing is used to provide the shock waves. The method includes applying a transparent overlay to the solid material to be worked. Th... | 04/11/2000 |
