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7385158 Method and installation for laser welding with a N2/He gas mixture, the N2/He content being controlled according to the laser power  
A method and an apparatus for welding with a laser beam. A shielding gas mixture of nitrogen and helium is used and the proportions of the component gases are modified depending on the laser beam's...
7358457 Nozzle for laser net shape manufacturing  
Methods, apparatuses, devices, and/or systems for laser net shape manufacturing may make use of a nozzle that includes a main body with a thermal channel, a conducting channel and a gas...
7326878 Laser beam processing machine  
A laser beam processing machine includes a dust discharger which includes a first cover member mounted to the lower end of the condenser and a first opening for letting a laser beam applied from...
7321104 Cooling duct of a laser processing machine  
An apparatus for the removal of waste heat and material during laser cutting of a hollow workpiece by a laser beam includes a duct with external dimensions that permit insertion of at least a...
7319204 Laser welding device and method  
A laser welding device includes a laser that generates a laser beam, an optics, and a limiting apparatus. The optics has a focal length of at least 200 nm and being configured to focus the laser...
7307237 Hand-held laser welding wand nozzle assembly including laser and feeder extension tips  
A hand-held laser welding wand includes a main body that is dimensioned to be grasped by a hand and a nozzle assembly. The nozzle assembly includes a laser extension tip and a feeder material...
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...
7301121 Method and device for laser drilling in a process gas atmosphere  
A method and device for laser drilling in which the geometric form of the drill-hole wall is influenced by reciprocal action between a laser beam and a supplied process gas, which thereby is...
7297895 Apparatus for removal of minute particles from a surface using thermophoresis to prevent particle redeposition  
A method and apparatus for removing minute particles from a surface of a sample are provided that prevent redeposition of the particles onto the surface. By combining thermophoresis with laser...
7294807 Method and device for drilling holes in workpieces by means of laser beams  
A method and a device for producing holes in workpieces by using at least one laser beam, in particular a short-pulse or ultrashort-pulse laser beam, whereby a process gas is supplied to the point...
7265317 Method of cutting material with hybrid liquid-jet/laser system  
A hybrid liquid-jet/laser device may be used to remove material from a tube or sheet to form a medical device, such as a stent. The liquid-jet/laser stream may be impinged against the wall of the...
7259353 Compact coaxial nozzle for laser cladding  
The present invention provides a compact coaxial nozzle useful in laser welding operations where the welding piece has a restricted or confined geometry. The nozzle is generally conical in shape,...
7257879 Combination apparatus for machining material with a milling cutter and a laser  
The invention is directed to an apparatus for cutting material by means of a milling cutter and laser radiation. The apparatus comprises a milling unit, a work spindle, a milling cutter, a laser,...
7247812 Laser annealing apparatus  
An excimer laser annealing apparatus and the application of the same for stabilizing the atmosphere surrounding an area irradiated by an excimer laser. The apparatus includes a chamber, a gas...
7241965 Method and apparatus for laser welding with plasma suppression  
Laser welding apparatus, in which a laser beam is impinged upon a component to be welded at a laser beam impingement point, wherein a plasma suppressor is arranged to impinge a jet of gas on the...
7223935 Laser processing head  
A nozzle of a laser processing head for laser cutting and laser welding includes a laser beam outlet for directing a laser beam towards a processing location of a workpiece to be processed, a first...
7220938 System and method for removing particulate created from a drilled or cut surface  
A system and method for receiving and collecting particulate matter from drilled or cut holes in a tablet on a turntable and transporting said particulate to a remote location is described.
7214904 Method and apparatus for laser drilling with a jet nozzle  
A drilling device ( 1 ) for placing a bore hole ( 2 ) in a workpiece ( 3 ), includes a drill laser ( 4 ) that generates a laser beam ( 6 ) suitable for placing the bore hole ( 2 ), and a jet nozzle...
7186946 Laser drilling  
A method of laser drilling a gas turbine engine nozzle guide vane segment made up of two or more adjacent aerofoil sections spaced apart so that between each pair of aerofoil sections there are...
7157662 Collision protection device of a laser processing head  
A laser processing head collision protection apparatus includes a carrier member, and a laser processing head detachably coupled to the carrier member by a plurality of pairs of truncated cones.
7148448 Monitored laser shock peening  
A pulse laser is configured for projecting a pulsed laser beam at a target site on a fluid film atop a workpiece for laser shock peening the workpiece. The fluid film is monitored by a probe laser...
7138030 In-line system and method for manufacturing liquid crystal display  
An in-line system for fabricating a liquid crystal display-includes a sealer coating unit for coating a sealer onto a first substrate with a plurality of liquid crystal display cell regions, a...
7129441 Nozzle change magazine for laser beam machine  
A nozzle change magazine for laser beam machine which improves machining efficiency of a laser beam machine by installing a nozzle change magazine for laser machining tools equipped with a torch...
7112761 Hand-held laser welding wand gas lens  
A hand-held laser-welding wand includes a gas lens assembly that develops an inert gas atmosphere around a weld pool. The lens assembly additionally reflects laser light and thermal radiation that...
7100846 Water-jet device for separating a biological structure  
The water jet of a conventional water jet device is straight, bundled and impinges with its complete cross-section onto the biological structure to be separated. This renders the separating section...
7061576 Exposure apparatus and method of cleaning optical element of the same  
An exposure apparatus includes a light source, which emits an exposure beam, an optical system including a casing and an optical element, the casing having a closed space and the optical element...
7057136 Finishing machine using laser beam  
A machining device comprises workpiece holding means for holding a workpiece, laser beam machining means for shining a laser beam to the workpiece held by the workpiece holding means to machine the...
7038166 Containment plenum for laser irradiation and removal of material from a surface of a structure  
A containment plenum is adapted to deliver laser light to an interaction region of an inhabitable structure to remove material from the structure. The containment plenum includes a plenum housing...
7038163 Use of helium/nitrogen gas mixtures in up to 12 kW laser welding  
Binary gas mixture for welding using a laser beam of up to 12 kW, consisting of 30% to 60% nitrogen by volume, the remainder (up to 100%) being helium. Application of this gas mixture to the...
7038161 Welding unit with miniaturized laser beam  
The invention provides a welding device ( 10 ) using a power laser beam ( 22 ), the device ( 10 ) being miniaturized, the device ( 10 ) being suitable for being moved very close to the surface ( 52...
7022941 Device for reducing the ablation products on the surface of a work piece during laser drilling  
A device for introducing holes into a workpiece has a laser beam source for producing at least one laser beam which may be directed toward the workpiece. A nozzle system is provided having at least...
7022939 Through weld for aluminum or aluminum alloy base metals by using high-density energy beams  
This invention provides a new through weld method to carry out welding of a base metal made of aluminum or that of aluminum alloy using high energy beams wherein a shield gas ambience (an inert gas...
7012216 Hand-held laser welding wand having internal coolant and gas delivery conduits  
A hand-held laser welding wand includes internal flow passages through which filler media, gas, and coolant may flow. The wand is dimensioned to be grasped with a single hand, thus filler media of...
7009139 Method and apparatus for composite YAG laser/arc welding  
A combined YAG laser/arc welding apparatus performs a welding operation with a large depth of fusion and a deep fusion at a high efficiency. The welding apparatus includes an arc electrode which...
7002100 Laser assisted machining method and device  
A laser assisted machining method and device comprise a tool mount on which a laser head is disposed. A digital thermometer is disposed in a machining tool or on the tool mount for feeding data to...
6969822 Laser micromachining systems  
The described embodiments relate to laser micromachining a substrate. One exemplary embodiment includes a chamber configured to receive an assist gas from an assist gas source. The chamber is...
6922610 Robot having offset rotary joints  
A robot is obtained having various functions that are demanded for planetary landing vehicles, extreme operations robots or the like, in particular to provide a leg structure for a robot that is...
6894248 Laser beam machining apparatus  
A laser beam machining apparatus includes a laser oscillator, a machining head which that machines a workpiece using the laser beam. An optical duct has an optical system to guide the laser beam...
6891126 High-speed laser cutting method with adapted gas  
The invention concerns a method for cutting a metal or metal alloy workpiece using at least a laser beam and at least an assist gas of said laser beam wherein the assist gas consists of a mixture...
6888098 Tubular cutting process and system  
A system and method for processing a tubular member comprises a hollow tubular member, a laser and a media flow. The laser is constructed and arranged to transmit laser energy to the tubular...
6870128 Laser boring method and system  
A method for boring a well with a laser beam is provided, the method comprising: shining the laser beam into a conduit, wherein the laser beam is guided through the conduit by the internal...
6864458 Iced film substrate cleaning  
Apparatus for cleaning a surface of a substrate includes a cooling device, which is adapted to cool a region of the substrate in a vicinity of a particle on the surface, so as to cause a fluid in...
6861613 Device and method for the preparation of building components from a combination of materials  
The present invention relates to a generative method of fabrication and an accompanying device with which components can be fabricated from a combination of materials. The device comprises a bottom...
6858262 Method for producing a surface-alloyed cylindrical, partially cylindrical or hollow cylindrical component and a device for carrying out said method  
The invention relates to a method for manufacturing a surface-alloyed cylindrical, partly cylindrical or hollow cylindrical structural member where in the zone of incidence of the energy beam there...
6847007 Process gas and laser machining method  
A process gas and a process of laser machining, such as laser beam fusion cutting or laser beam welding is provided. A gas mixture that contains at least oxygen and hydrogen, in addition to an...
6847005 Laser cutting method  
A laser cutting device and method using a laser beam passing through an optical device producing a focal spot with a diameter between about 1.5 and 3 mm, and using a working gas flow. According to...
6805751 Method and apparatus for removal of minute particles from a surface using thermophoresis to prevent particle redeposition  
A method and apparatus for removing minute particles from a surface of a sample are provided that prevent redeposition of the particles onto the surface. By combining thermophoresis with laser...
6797919 Laser ablation nozzle assembly  
A laser ablation system includes a first embodiment of a nozzle assembly where a laser beam is emitted through the nozzle assembly to remove materials on a target. The nozzle assembly includes a...
6791061 Optical machining device  
An optical processing apparatus has high reliability and stable welding quality. In the processing apparatus, a semiconductor laser and an optical system are disposed to a flow path of processing...
6777647 Combination laser cutter and cleaner  
A system for processing a work piece comprises a laser jet mechanism having a laser and a fluid source. The laser is constructed and arranged to transmit laser energy to the work piece and the...