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| Number | Title | Issue Date |
| 7982162 | Method and apparatus for scoring and separating a brittle material with a single beam of radiation A method and an apparatus for both scoring and separating a brittle material, and in particular a glass sheet or substrate, using only a single laser beam. A radiation zone created by the beam incident on the glass substrate, and the radiation zone is effectively fo... | 07/19/2011 |
| 7932479 | Method for laser cutting tubing using inert gas and a disposable mask A method for making a device includes providing a tubular member which will be formed into the device, masking at least a portion of the inner surface of the tubular member with a removable sacrificial material, selectively removing a portion of the tubular member a... | 04/26/2011 |
| 7880118 | Method for cutting nonmetal material A method for cutting a nonmetal material is provided. The method includes steps of (a) generating a tension stress on a surface of the nonmetal material by exerting a bending stress thereon; (b) providing a thermal effect along a path direction on the surface, where... | 02/01/2011 |
| 7863543 | Apparatus and method for material processing using a transparent contact element A method of preparing an apparatus for material processing by generating optical breakthroughs in an object. The apparatus includes a variable focus adjustment device. A contact element is mounted to the apparatus, the contact element has a curved contact surface ha... | 01/04/2011 |
| 7838795 | Method of breaking a brittle substrate The invention relates to a method of breaking a substrate of a brittle material, the method comprising the steps of providing a substrate (1) of a brittle material, heating the substrate with a laser beam (3) to create a heated spot on the substrate, m... | 11/23/2010 |
| 7838796 | Stack structure cutting method and stack structure A method of cutting a stack structure and the stack structure are disclosed. In the stack structure comprising at least one laser absorbing member and at least one laser transmitting member, a plurality of grooves are formed on the surface of the laser transmitting ... | 11/23/2010 |
| 7825350 | Laser processing method and laser processing apparatus A laser beam machining method and a laser beam machining device capable of cutting a work without producing a fusing and a cracking out of a predetermined cutting line on the surface of the work, wherein a pulse laser beam is radiated on the predetermined cut line o... | 11/02/2010 |
| 7816626 | Method and apparatus for severing disks of brittle material, in particular wafers The invention is directed to a method in which disks, particularly wafers, of brittle material are severed along planned severing lines by a laser by introducing thermal stresses. The temperature gradient required for this and the compressive stresses and tensile st... | 10/19/2010 |
| 7807945 | Method for fabricating helical gears from pre-hardened flat steel stock An improved method of cutting a helical gear sector onto a pivoting arm of a casement window is disclosed. The method includes beginning with a pre-hardened flat sheet of steel stock and cutting the arm and the helical gear sector of the arm in two steps. The non-to... | 10/05/2010 |
| 7795559 | Vacuum debris removal system A turbulence-controlled vacuum debris removal subsystem safely exhausts particles ejected during photoablation. Nested interconnected chambers provide diminishing sweeping gas partial pressure and diminishing turbulence, ejecting particles from the ablation beam pat... | 09/14/2010 |
| 7786406 | Laser stent cutting A stent may be manufactured by providing a tube having a longitudinal axis therethrough, providing a stationary source of laser radiation, generating a beam of laser radiation using the source of laser radiation, and cutting a desired pattern into the tube by scanni... | 08/31/2010 |
| 7772522 | Method for scribing substrate of brittle material and scriber A mother glass substrate is continuously heated by a first laser spot LS1 to a temperature which is lower than a softening point of the mother glass substrate, along a scribe line formation line SL on a surface of the mother glass substrate, along which a scr... | 08/10/2010 |
| 7767931 | Ultrashort-pulse laser generated nanoparticles of energetic materials A process for generating nanoscale particles of energetic materials, such as explosive materials, using ultrashort-pulse laser irradiation. The use of ultrashort laser pulses in embodiments of this invention enables one to generate particles by laser ablation that r... | 08/03/2010 |
| 7709768 | System and method for cutting using a variable astigmatic focal beam spot A variable astigmatic focal beam spot is formed using lasers with an anamorphic beam delivery system. The variable astigmatic focal beam spot can be used for cutting applications, for example, to scribe semiconductor wafers such as light emitting diode (LED) wafers.... | 05/04/2010 |
| 7709767 | Laser processing method A laser processing method by which an object to be processed can be cut with a high precision is provided. The laser processing method of the present invention irradiates a planar object to be processed 1 with laser light L while locating a light-converging p... | 05/04/2010 |
| 7696451 | Laser cutting method A method for laser cutting at least a first aperture in a first metal plate in the presence of a second metal plate placed parallel to and a short distance from the first plate and having a second aperture, the outline of which is in line with the outline of the ape... | 04/13/2010 |
| 7652225 | Method and device for machining composite parts formed from a carrier device and a stamping pad A processing device for processing a composite component with at least a support device and a stamp pad having at least one operating head of a material-removing unit. The material-removing unit and the composite component are moved relative to one another by means ... | 01/26/2010 |
| 7605344 | Laser beam machining method, laser beam machining apparatus, and laser beam machining product It is an object to provide a laser beam machining method which can easily cut a machining target. The laser beam machining method irradiates laser light while positioning a focus point at the inside of a machining target to thereby form a treated area based on multi... | 10/20/2009 |
| RE40858 | Fastener element molding A method of forming a mold having cavities for molding loop-engageable, hook-shaped fastener elements, includes: supporting a first plate having an outer surface that defines a plane; manipulating a material-cutting beam of a laser along a predetermined curved profi... | 07/21/2009 |
| 7528343 | Laser treatment of sanitary products A device for subjecting to laser treatment articles, in particular articles chosen between sanitary products and components of said products, comprises a laser-beam source configured for applying to the articles a laser spot with a diameter of between 50 μm and 200... | 05/05/2009 |
| 7423237 | Method of cutting laminated glass with laser beams A first laser beam (2) and a second laser beam (3) composed of an ultraviolet laser are irradiated from a side of a second glass member (5b), allowing the first laser beam (2) to pass through the second glass member (5b | 09/09/2008 |
| 7396493 | Multilayer optical film with melt zone to control delamination Polymeric multilayer optical films, and laminate bodies that include such films, are provided with a melt zone that extends between a first and second portion of the multilayer optical film. If a shearing operation or other external influence acts on the film in the... | 07/08/2008 |
| 7388172 | System and method for cutting using a variable astigmatic focal beam spot A variable astigmatic focal beam spot is formed using lasers with an anamorphic beam delivery system. The variable astigmatic focal beam spot can be used for cutting applications, for example, to scribe semiconductor wafers such as light emitting diode (LED) wafers.... | 06/17/2008 |
| 7371452 | Conductive patterned sheet utilizing multi-layered conductive conduit channels Disclosed is an article comprising a polymer layer containing a plurality of integral polymer conduit channels that contain at least two layers with at least one comprising a conductive material and the other serving a function beyond protection. ... | 05/13/2008 |
| 7364952 | Systems and methods for processing thin films The present disclosure is directed to methods and systems for processing a thin film samples. In an exemplary method, semiconductor thin films are loaded onto two different loading fixtures, laser beam pulses generated by a laser source system are split into first l... | 04/29/2008 |
| 7360718 | Sprinkler housing with side inlet The invention is directed to a sprinkler body having a side inlet and improved strength and durability. The side inlet is reinforced with additional structure at a cylindrical wall defining the side inlet. The structure may include a reinforcement rib located within... | 04/22/2008 |
| 7348517 | Laser cutting apparatus with a high quality laser beam A laser cutting apparatus capable of properly cutting a workpiece having a large thickness with a laser beam. The laser cutting apparatus includes a gas laser oscillator; and an optical system including a collective lens and transmitting and collecting a laser beam ... | 03/25/2008 |
| 7331655 | Fluid coupler and a device arranged with the same Plural film layers are disposed on a substrate. Each film layer has regions devoid of film material, thus forming film layer cavity openings. Each film layer has its cavities arranged to provide fluid coupling with its adjacent film layer or layers. The film layer c... | 02/19/2008 |
| 7332415 | Silicon wafer dividing method and apparatus A method of dividing a silicon wafer along predetermined dividing lines, comprising a deteriorated layer forming step for forming deteriorated layers exposed to at least a surface to which a laser beam is applied, from the inside of the silicon wafer by applying a p... | 02/19/2008 |
| 7328643 | Process for accessing munitions using fluid jet technology A process for accessing and defusing munitions using fluid jet technology containing abrasive material and recovering the abrasive. The explosive material can also be removed from the munition casing by fluid jet technology, after the munition has been defused. ... | 02/12/2008 |
| 7320594 | Fluid and laser system A fluid conditioning system is adapted to condition the fluid used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The fluid may be conditioned by adding flavors, antiseptics and/or tooth whitening agents such as peroxide, m... | 01/22/2008 |
| 7317179 | Systems and methods to shape laser light as a homogeneous line beam for interaction with a film deposited on a substrate Systems and methods are disclosed for shaping and homogenizing a laser beam for interaction with a film. The shaping and homogenizing system may include a lens array and a lens that is positioned to receive laser light from the lens array and produce a respective el... | 01/08/2008 |
| 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 line, wherein the laser light L from a plurality of laser light sourc... | 12/04/2007 |
| 7302309 | Laser micromachining methods and systems A method of laser machining a fluid path is provided. The method comprises directing a first laser toward a first surface, directing a second laser toward a second surface of the substrate, and directing a third laser toward the second surface along at least a porti... | 11/27/2007 |
| 7282665 | Method and apparatus for processing articles with a laser beam A method for joining workpieces by welding with laser light, in which a plurality of workpieces are arranged between a lower pressure plate and a translucent upper pressure plate on a multiplicity of supporting segments movable in a vertical direction, whereby the w... | 10/16/2007 |
| 7280277 | Light collimating and diffusing film and system for making the film A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, w... | 10/09/2007 |
| 7277188 | Systems and methods for implementing an interaction between a laser shaped as a line beam and a film deposited on a substrate Systems and methods are disclosed for focusing a beam for an interaction with a film deposited on a substrate wherein the focused beam defines a short axis and a long axis. In one aspect, the system may include a detecting system to analyze light reflected from the ... | 10/02/2007 |
| 7268315 | Monitoring slot formation in substrates A light beam is used to cut a slot in a first side of substrate. An optical sensor monitors a surface of a second side of the substrate that is opposite the first side while cutting the slot. If the light beam breaks through the surface of the second side, the senso... | 09/11/2007 |
| 7268319 | Method of metallurgically bonding articles and article therefor An article suitable for metallurgical bonding having a first part having a lower surface, and a second part having an upper surface is disclosed. The lower surface of the first part is disposed at the upper surface of the second part to provide for a faying surface ... | 09/11/2007 |
| 7265032 | Protective layer during scribing A method including forming a chemically soluble coating on a plurality exposed contacts on a surface of a circuit substrate; scribing the surface of the substrate along scribe areas; and after scribing, removing a portion of the coating. A method including forming a... | 09/04/2007 |
