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| Number | Title | Issue Date |
| 8153931 | Method of and system for setting laser processing conditions, laser processing system, computer program for setting laser processing conditions, computer readable media and recording device on which laser processing conditions are recorded A method of setting processing data for a computer-assisted laser processing apparatus is disclosed, along with a system for setting a laser processing data. The method comprises a function of setting a profile of a three-dimensional object and a processing pattern,... | 04/10/2012 |
| 7304266 | Laser shock peening coating with entrapped confinement medium An integrated laser shock peening coating includes film or a tape having an ablative medium layer spaced apart from a clear containment layer and a stationary clear liquid confining medium therebetween wherein the clear transparent to a laser beam used for laser sho... | 12/04/2007 |
| 7205502 | Reflector-mirror drive shaft controller for laser beam machine A reflector-mirror drive shaft controller is provided for a laser beam machine which optimizes a beam for workpiece thickness by correcting a control axis of a laser reflector-mirror of a laser beam machine. A laser beam outputted from a laser oscillator device of a... | 04/17/2007 |
| 6998090 | Method and device for workpiece identification marking A device for the identification marking of a workpiece which is made of a deformable material. The workpiece identification marking has a plurality of identification elements, each of which comprises elevations that project out of the surface of the workpiece. For e... | 02/14/2006 |
| 6992765 | Method and system for determining the alignment of a surface of a material in relation to a laser beam The present invention generally relates to a method and system for determining the position and alignment of a plane in relation to an intersecting axis and using that known position and alignment to allow for corrections to be made when using the plane as a referen... | 01/31/2006 |
| 6972393 | Machining device and machining method A machining device for simultaneously machining a plurality of work pieces 71, 72 on one machining table 7 with high positional accuracy is provided. The machining device detects positions of the work pieces 71, 72 with detectors 91, 92 m... | 12/06/2005 |
| 6929886 | Method and apparatus for the manufacturing of reticles A method and apparatus for manufacturing patterns on a reticle blank comprising a substrate made from material transparent to UV irradiation and having a first surface and a second opposite surface, the first surface coated with a chrome layer. The method comprises ... | 08/16/2005 |
| 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 generating pulses of energy, a substrate, and a control unit operatively... | 12/28/2004 |
| 6822194 | Thermocouple control system for selective laser sintering part bed temperature control A temperature control system for use in a selective laser sintering machine is provided that comprises a thermocouple disposed within a part bed of the selective laser sintering machine and a temperature transmitter in communication with the thermocouple. The temper... | 11/23/2004 |
| 6759626 | System for laser shock processing objects to produce enhanced stress distribution profiles Various laser shock processing systems are provided to establish selective compressive residual stress distribution profiles within a workpiece. An asymmetrical stress profile may be formed through the thickness of a thin section of a gas turbine engine airfoil. One... | 07/06/2004 |
| 6723390 | Laser deposition of elements onto medical devices Devices and methods for fabricating medical devices are disclosed. A device in accordance with the present inventions includes a laser beam source capable of producing a laser beam, a carrier coupled to a carrier motion actuator capable of moving the carrier relativ... | 04/20/2004 |
| 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 that produces short pulses is used to reduce thermal effects to improve... | 04/13/2004 |
| 6710286 | Chip scale marker and making method Provided is a chip scale marker and a marking method. The method for marking, using a chip scale marker, wherein a laser beam is irradiated from a laser source on the wafer chips via a galvano scanner and an f-theta lens, the method comprising: (a) measuring positio... | 03/23/2004 |
| 6696008 | Maskless laser beam patterning ablation of multilayered structures with continuous monitoring of ablation A maskless patterning apparatus allows for laser beam ablation of one or more layers of material while not etching an underlying different material layer. A micromirror array produces the desired complex pattern on the workpiece and a continuous feature a... | 02/24/2004 |
| 6677553 | Laser processing apparatus A laser processing apparatus includes a stage for mounting a workpiece, which moves the workpiece along two axes which are in parallel with the workpiece, the two axes being perpendicular to one other; a laser optical unit including a light source uniting... | 01/13/2004 |
| 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 scanned within a first short segment (122) for a predetermined numb... | 01/13/2004 |
| 6578583 | Apparatus for making and inspecting multi-component wrapped article In an apparatus for making and inspecting a multi-component cigarettes, each cigarette including two or more different components arranged relative to one another, the apparatus includes a device for advancing a web in a first direction. The apparatus fur... | 06/17/2003 |
| 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 longitudinal axis and a transverse axis. The apparatus obtains a... | 04/15/2003 |
| 6528762 | Laser beam position control apparatus for a CNC laser equipped machine tool A laser beam position control apparatus for a CNC laser equipped machine tool, that will automatically maintain precise alignment of the beam path, though the machine may be operating in a non-uniform temperature environment. The apparatus compensates for... | 03/04/2003 |
| 6483071 | Method and system for precisely positioning a waist of a material-processing laser beam to process microstructures within a laser-processing site A high-speed method and system for precisely positioning a waist of a material-processing laser beam to dynamically compensate for local variations in height of microstructures located on a plurality of objects spaced apart within a laser-processing site ... | 11/19/2002 |
| 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 |
| 6440503 | Laser deposition of elements onto medical devices Devices and methods for fabricating medical devices are disclosed. A device in accordance with the present inventions includes a laser beam source capable of producing a laser beam, a carrier coupled to a carrier motion actuator capable of moving the carr... | 08/27/2002 |
| 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 |
| 6355908 | Method and apparatus for focusing a laser A method for focusing an ultrashort pulse laser relative to a workpiece using the position of a plasma formed by a laser. A laser beam is focused to a focal point. The high peak intensity of the ultrashort pulse laser ionizes air at the focal region to fo... | 03/12/2002 |
| 6353203 | Laser machining device In a laser machining apparatus comprising a deflector for changing a direction of a laser beam outputted from a laser oscillator, and a converging lens for refracting the laser beam introduced from the deflector and focusing the laser beam onto a work to ... | 03/05/2002 |
| 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 excimer laser and a device for focussing the laser beam, the scr... | 12/11/2001 |
| 6326586 | 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... | 12/04/2001 |
| 6284999 | 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... | 09/04/2001 |
| 6274843 | Installation for laser welding of overlapping parts This installation (2) for laser welding at least two overlapping parts (4, 5) comprises a laser source (16), a head (18) for focusing, in the zone of overlap (6), a laser beam emitted by the source, a mechanism (24) for pressing on a first (4) of the part... | 08/14/2001 |
| 6239406 | Laser beam machining apparatus A laser beam machining apparatus has machining apparatus including a laser oscillator, a stage for moving a workpiece in XY directions, and a central processing unit (CPU) for controlling laser emission of the laser oscillator and movement of the stage. T... | 05/29/2001 |
| 6201214 | Laser drilling with optical feedback The invention provides a method of drilling holes sequentially through a workpiece using a laser gun with a camera positioned axially in-line with the drilling beam of the laser gun. Each image from the camera is analysed by digital image processing techn... | 03/13/2001 |
| 6177648 | Steered laser beam system with laser power control An improved method for operating a steered laser beam system employs selective laser power control. A laser beam is provided having a selectively positionable focal point. A workpiece is provided on which a selected laser beam pattern is used to process t... | 01/23/2001 |
| 6153853 | Laser beam welding apparatus The position of a workpiece delivered into a welding station by a feed mechanism is detected by CCD cameras of position detectors, and a positioning error of the workpiece with respect to a reference position is determined on the basis of the detected pos... | 11/28/2000 |
| 6144010 | Method of removing coating film with laser beam and laser processing system A laser light is applied to the surface of an object to be processed and formed with a coating film and at least an upper portion of the coating film is removed through abrasion, by using an energy density variable optical system capable of applying the l... | 11/07/2000 |
| 6130405 | Laser drilling holes in a cylindrical workpiece A process is provided for laser drilling a plurality of holes in a row around the circumference of a cylindrical workpiece by continuously rotating the workpiece, sequentially impacting each hole location with a laser pulse and repetitively and sequential... | 10/10/2000 |
| 5961858 | Laser welding apparatus employing a tilting mechanism An apparatus for working material employs a tilting mechanism which tilts a head about a theoretical point disposed upon the sheet material. The welding or cutting head is defined as a laser head and the pivot point corresponds with the laser beam focal p... | 10/05/1999 |
| 5869803 | Method of forming polycrystalline silicon layer on substrate and surface treatment apparatus thereof A method of forming a polycrystalline silicon thin film includes irradiating an amorphous silicon layer with laser light of an excimer laser energy density of 100 mJ/cm2 to 500 mJ/cm2, preferably 280 mJ/cm2 to 330 mJ/cm | 02/09/1999 |
| 5653897 | Rotating fiber optic coupler for high power laser welding applications A laser welding apparatus for clad welding the interior surface of a tube includes a rotating sleeve that encloses a fiber optic cable. A stationary laser generates light energy for the welding operations performed by the rotating sleeve. An optical coupl... | 08/05/1997 |
| 5653900 | Dynamic laser marking A method and an apparatus for making a moving body of material (26). The method includes the steps of directing at the moving body a high energy density beam (46,58), concentrating the beam so as to produce an illuminated spot at a location on or within t... | 08/05/1997 |
| 5643476 | Laser system for removal of graffiti A laser system for the removal of graffiti from a retro-reflective highway sign or other surface includes a mobile crane adapted to support a laser scanner and an ablating laser under the control of a computer. An optical sensor and target indicator coope... | 07/01/1997 |
