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| Number | Title | Issue Date |
| 7851725 | Active beam delivery system with image relay An active laser energy delivery system includes a relay imaging system. Input optics arranged to receive the laser energy, a transmitting mirror having adjustable angle of incidence relative to the input optics, and a robot mounted processing head including an optic... | 12/14/2010 |
| 7633036 | Micro-machining system employing a two stage beam steering mechanism A system for delivering energy to a substrate including a dynamically directable source of radiant energy providing a plurality of beams of radiation, each propagating in a dynamically selectable direction. Independently positionable beam steering elements in a plur... | 12/15/2009 |
| 7629555 | Multiple beam micro-machining system and method A system for delivering energy to a substrate including a dynamically directable source of radiant energy providing a plurality of beams of radiation, each propagating in a dynamically selectable direction. Independently positionable beam steering elements in a plur... | 12/08/2009 |
| 7501602 | Optical path axis aligning device of laser beam machine A device for improving the efficiency of operation for aligning the optical axis of mirrors disposed in an optical path for laser transmission in a laser beam machine. The laser beam output from a laser oscillator of a laser beam machine is transmitted via multiple ... | 03/10/2009 |
| 7432471 | Laser beam hardening tool A laser beam hardening tool is comprised of an engagement portion for freely engaging with a tool holding portion of a machine tool, a beam guide path which is a passage of supplied laser beam, and a torch portion for radiating laser beam which passed through the be... | 10/07/2008 |
| 7399945 | Method of thermal processing a substrate with direct and redirected reflected radiation Apparatus and methods for thermally processing a substrate with scanned laser radiation are disclosed. The apparatus includes a continuous radiation source and an optical system that forms an image on a substrate. The image is scanned relative to the substrate surfa... | 07/15/2008 |
| 7399946 | Apparatus for generating a rotating laser beam The present invention relates to an apparatus (1) for generating a rotating laser beam (5) which may used for various applications including welding, cutting, drilling or ablation of materials. More particularly, the apparatus (1) according to t... | 07/15/2008 |
| 7368681 | Apparatus for simultaneous laser welding A device for the simultaneous welding of work pieces and containing a plurality of laser light sources. The laser light sources are positioned on at least one circle in such a manner that the partial beams emitted by the laser light sources produce at least one regi... | 05/06/2008 |
| 7365285 | Laser annealing method and apparatus A laser annealing system and apparatus, which includes a laser light source, which emits a laser beam through an a-Si layer on a substrate, an optical unit which forms an optical path along which the laser beam is transmitted through a subject to be annealed, and a ... | 04/29/2008 |
| 7321105 | Laser peening of dovetail slots by fiber optical and articulate arm beam delivery A laser peening apparatus is available for laser peening a hidden surface of a workpiece, the hidden surface not being line-of-sight accessible to laser energy for treatment thereof. The apparatus includes a pulsed laser system and a laser directing unit. The pulsed... | 01/22/2008 |
| 7315008 | Laser welding systems and methods A laser processing configuration, in particular for laser welding of three-dimensional components, includes a first optical element for dividing a laser beam into at least two partial beams, and a second optical element for focusing the partial beams. The first and ... | 01/01/2008 |
| 7297898 | Laser processing machine In a laser processing machine for processing workpieces using a laser beam (2), a telescope (1) for widening the laser beam (2) comprises an ellipsoidal mirror (3) and a paraboloidal mirror (4) whose axes of rotation (6) ext... | 11/20/2007 |
| 7253376 | Methods and apparatus for truncating an image formed with coherent radiation Methods and apparatus for truncating an image formed with coherent radiation. The optical relay system is adapted to form a line image at the image plane. The image is truncated by a variable aperture at or near the aperture plane conjugate to the image plane, to bl... | 08/07/2007 |
| 7248405 | Re-focusing mechanism for imaging system Two reflective surfaces disposed in a predetermined angular orientation inside the optical tube assembly of a telescope intercept the optical beam and deliver it from the objective to the eye-piece. By translating these surfaces simultaneously along the axis bisecti... | 07/24/2007 |
| 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 as a two-axis steering mirror. The sensors may include a beam positi... | 07/17/2007 |
| 7238914 | Laser processing method A laser processing apparatus has a first laser beam reversal apparatus which reverses the laser beam from the laser oscillator, and a second laser beam reversal apparatus which reverses the laser beam reversed by the first laser beam reversal apparatus, and guides t... | 07/03/2007 |
| 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 properties for irradiating structures on or within a workpiece. The str... | 06/05/2007 |
| 7220939 | Laser beam machine A laser beam machine can make quality of machining almost constant in such a manner that a first reflecting means in a first beam guide portion is moved and driven so as to maintain a length of an optical path of laser beam to be almost constant in spite of a moved ... | 05/22/2007 |
| 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 |
| 7176409 | Multiple beam micromachining system for removing at least two different layers of a substrate A system for delivering energy to a substrate including a dynamically directable source of radiant energy providing a plurality of beams of radiation, each propagating in a dynamically selectable direction. Independently positionable beam steering elements in a plur... | 02/13/2007 |
| 7167194 | Printing a code on a product A method for printing is described. The method includes providing a printing system for printing a code on a product moving in a direction. The code is constructed from a plurality of pixels in a first data set indicating the positions of the pixels and generates a ... | 01/23/2007 |
| 7161113 | Laser machining system for forming multiple machining spots by a single laser A laser machining system is provided that includes a work-piece and at least one light source that produces a laser light along a first axis. The laser light defines a first portion of laser light and a second portion of laser light radially inward relative to the f... | 01/09/2007 |
| 7152434 | Method for producing planar lens and planar lens array A glass substrate is irradiated with a converged laser beam to thereby form a spherical or nearly spherical convex portion on a surface of the glass substrate. More preferably, there may be used a method including the steps of: sticking a glass substrate to a flat m... | 12/26/2006 |
| 7133182 | AOM frequency and amplitude modulation techniques for facilitating full beam extinction 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 unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7133188 | AOM modulation techniques employing an upstream Bragg adjustment device 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 unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7133186 | AOM modulation techniques employing transducers to modulate different axes 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 unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7133187 | AOM modulation techniques employing plurality of transducers to improve laser system performance 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 unwanted laser energy from impinging a workpiece (80); fac... | 11/07/2006 |
| 7098423 | Laser machining apparatus There is provided a printed board machining apparatus having fewer restrictions in terms of the length of printed boards to be machined, that can be readily controlled in positioning a sheet-like workpiece and that is capable of improving the machining efficiency. P... | 08/29/2006 |
| 7078650 | Micro-machining employing multiple independently focused and independently steered beams A system for delivering energy to a substrate includes a laser energy source providing at least two laser beams, wherein each of the beams is steered to an independently selectable location on a target, and is independently focused onto the target. ... | 07/18/2006 |
| 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 and/or cutting. A movable beam focusing assembly containing a beam exp... | 06/13/2006 |
| 7038174 | Heating device for heating semiconductor wafers in thermal processing chambers A novel apparatus for heat treating semiconductor wafers includes a heating device which comprises an assembly of light energy sources for emitting light energy onto a wafer. The light energy sources can be placed in various configurations. The tuning devices adjust... | 05/02/2006 |
| 7025468 | Variable mirror, optical apparatus and decentered optical system which include variable mirror, variable-optical characteristic optical element or combination thereof A variable mirror that is readily formable and can be readily and precisely changed into various configurations as desired. The variable mirror includes a mirror body formed of an elastic or flexible material and having one surface functioning as a reflecting surfac... | 04/11/2006 |
| 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 unwanted laser energy from impinging a workpiece (80); fac... | 04/11/2006 |
| 7019891 | AOM modulation techniques employing plurality of tilt-angled transducers to improve laser system performance 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 unwanted laser energy from impinging a workpiece (80); fac... | 03/28/2006 |
| 7015422 | System and process for heating semiconductor wafers by optimizing absorption of electromagnetic energy Various processes for heating semiconductor wafers is disclosed. In particular, the present invention is directed to configuring light sources emitting light energy onto a wafer in order to optimize absorption of the energy by the wafer. Optimization is carried out ... | 03/21/2006 |
| 7002101 | Method and installation for laser cutting out glass pieces Method of cutting a glass piece along a predetermined cutting line. One and the same beam of laser rays, focused by a focusing device, travels along the predetermined cutting line during at least one marking step and during at least one heating step, the focusing de... | 02/21/2006 |
| 7002739 | Device for generating line-shaped light beam and laser microscope A laser microscope is provided, which is low in manufacturing costs and compact in structure. A laser beam emitted from a semiconductor laser is converted into a rectilinear light beam which has divergence in one direction by use of a micromirror device. The micromi... | 02/21/2006 |
| 6972392 | Laser beam machining method for wiring board, laser beam machining apparatus for wiring board, and carbonic acid gas laser oscillator for machining wiring board In a laser beam machining method for a wiring board, a machined portion of the wiring board is irradiated with a pulsed laser beam for a beam irradiation time ranging from about 10 to about 200 μs and with energy density of about 20 J/cm2 or more, thereb... | 12/06/2005 |
| 6951994 | System for thermal shaping of optical fibers A system for shaping an optical fiber with various geometries while minimizing unwanted artifacts in the core of the optical fiber. The system facilitates control of sag in the region of the core that is exposed to a beam of optical energy. The sag is reduced, if no... | 10/04/2005 |
| 6951627 | Method of drilling holes with precision laser micromachining The invention is an apparatus and a method for drilling holes in a work piece with a laser. A laser beam is received by the optical system and directed along an optical path. The system directs the laser beam through a moveable mask aperture creating a sub-beam, tha... | 10/04/2005 |
