Class / Patent application number | Description | Number of patent applications / Date published |
219121840 | With fluid supply | 18 |
20080210675 | LASER PROCESSING DEVICE, LASER PROCESSING HEAD AND LASER PROCESSING METHOD - Disclosed is a laser processing device. The laser processing device includes a laser beam source irradiating a laser beam, and a laser processing head. The laser processing head includes a transmitting window through which the laser beam passes, an aperture formed in a bottom of the laser head and allowing the laser beam to pass through via the transmitting window, an introducing hole introducing a gas into the laser processing head, and an exhausting hole discharging a gas in the laser processing head to outside. The laser processing head further includes a air hole introducing the gas to the periphery of the laser irradiating area, an air hole allowing to discharge the ambient gas of the laser irradiating area, and a masking shield having an opening placed between the transmitting window and the aperture, and an aerating portion communicated with the introducing hole and exhausting hole. | 09-04-2008 |
20080308538 | Powder Delivery Nozzle - A powder delivery nozzle ( | 12-18-2008 |
20090223944 | Laser-Based Material Processing Exhaust Systems and Methods for Using Such Systems - Laser-based material processing systems, exhaust systems, and methods for using such systems are disclosed herein. One embodiment of a laser-based material processing system can include an exhaust assembly configured to remove contaminants from a material processing area. The exhaust assembly can include a vacuum source and an exhaust plenum carried by a moveable arm of a gantry-style laser beam positioning assembly. The moveable arm can extend along a first axis and can be moveable along a second axis generally normal to the first axis. The exhaust plenum can extend lengthwise in a direction generally parallel with the first axis. The exhaust assembly can also include an intake slot extending lengthwise along the exhaust plenum across at least a portion of the material processing area. The exhaust assembly can further include one or more flexible exhaust ducts in fluid communication with the vacuum source and the exhaust plenum. | 09-10-2009 |
20100187209 | LASER MACHINING NOZZLE - A laser machining nozzle herein obtained includes a main assist-gas nozzle ( | 07-29-2010 |
20110108535 | LASER ANNEALING APPARATUS - Provided is a laser annealing apparatus capable of reducing irradiation unevenness of laser light caused by a refraction phenomenon of laser light due to fluctuation in the temperature of inert gas. | 05-12-2011 |
20110147354 | POLYGONAL LASER SCANNER FOR COATING REMOVAL - A laser scanner system for removing a coating from a surface. The system includes a laser source for generating a laser beam; a focusing optic operative to receive, focus and re-direct the laser beam; a rotating multi-faceted mirror for receiving and reflecting the focused laser beam, wherein the rotating multi-faceted mirror repeatedly translates the reflected focused laser beam in one direction along an arc path and through a first focal point, and wherein passage of the laser beam through the first focal point results in divergence of the beam; a reimaging mirror for receiving and reflecting the divergent laser beam toward a work surface, wherein the reimaging mirror produces an image of the first focal point and its path; and wherein the rotating multi-faceted mirror and the reimagining mirror cooperate to produce a beam cross-over region having a minimal cross-sectional area relative to other points along the beam path, and wherein the beam cross-over region is located between the reimaging mirror and the work surface. | 06-23-2011 |
20110174790 | ANNEALING APPARATUS - The present invention is an annealing apparatus configured to perform an annealing process to an object to be processed, the annealing apparatus comprising: a processing vessel in which the object to be processed can be accommodated; a support unit configured to support the object to be processed in the processing vessel; a gas supply unit configured to supply a process gas into the processing vessel; an exhaust unit configured to discharge an atmosphere in the processing vessel; and a rear-side heating unit including a plurality of laser elements configured to irradiate heating light beams toward an overall rear surface of the object to be processed. | 07-21-2011 |
20120152919 | Laser Machining Apparatus Using Laser Beam Introduced into Jet Liquid Column - A laser machining apparatus comprising jet liquid, a laser beam, and a laminar flow forming channel for supplying jet liquid to a nozzle. The channel includes a distribution channel formed by a cavity, an interconnecting channel disposed to communicate with said channel downstream in an axial direction of the nozzle and formed by an annular cavity around the axis of the nozzle to provide a narrower flow passage, and a liquid reservoir chamber. Said chamber has an outer peripheral edge communicating with the interconnecting channel over an entire circumference of the annular shape. An outer peripheral surface and an outer peripheral surface of the chamber form a continuous surface and an inner peripheral wall surface and an inner peripheral surface of the channel are both formed as an inclined inward surface that is downstream, the inner peripheral surface and the inner peripheral wall surface forming a planar continuous surface. | 06-21-2012 |
20120175354 | PURGING AND DEBRIS REMOVAL FROM HOLES - A method for purging of, and debris removal from, a hole created with laser energy in which a swirling purge gas stream is provided in a hole containing debris to be removed, imparting a swirl to the debris and lifting the debris from a bottom of the hole. In accordance with one embodiment, the purge gas is swirled in a purge gas nozzle providing purge gas into the hole. In accordance with another embodiment of this invention, the purge gas is swirled directly in the hole. | 07-12-2012 |
20130105452 | LASER NOZZLE CHANGING DEVICE | 05-02-2013 |
20130313238 | LASER MACHINING SYSTEM WITH AIR FLOW EXTRACTION - A laser machining system includes a workpiece support, a laser machining unit arranged above the workpiece support and for machining a workpiece located on the workpiece support, at least one extraction opening beneath the workpiece support, and an enclosure separating the workpiece support, the laser machining unit and the at least one extraction opening from an external environment. The enclosure includes at least one air inflow opening arranged above the workpiece support and relative to the at least one extraction opening such that, during operation of the laser machining system, a pressure difference between the air inflow opening and the at least one extraction opening establishes a flow of air between the workpiece support and the laser machining unit, in which the flow of air separates the interior of the enclosure into a laser machining area beneath the flow band and a laser free area above the flow band. | 11-28-2013 |
20140197146 | COOLANT RECOVERY AND WASTE SEPARATION SYSTEM - A below plate coolant recovery and waste separation system is provided for a combined machining and thermal metal plate cutting machine A trolley structure is located underneath a table supporting a fume chamber and coolant tray. The trolley is movable both in the X axis, and in response to the location of the cutting tools which move with the gantry along the rails to be positioned over the table and plate to be cut, during use in cutting the plate such that the coolant or cutting fluid is captured and reused and kept separate from the cutting waste. The trolley structure is suspended under the cutting table and includes a chamber for movably supporting at least one fume extraction chamber and at least one tray for receiving and removing coolant, whereby the coolant recovery and waste separation system movement is synchronised with the cutting tools by the machine control system. | 07-17-2014 |
20140305918 | LASER PROCESSING APPARATUS - A laser processing apparatus including a dust discharging unit for discharging dust generated by the application of a laser beam from a focusing unit to a workpiece. The dust discharging unit includes a dust collector provided below the focusing unit and a suction unit connected to the dust collector. The dust collector has a U-shaped configuration composed of a rectangular top wall having an opening for allowing the pass of the laser beam applied from the focusing unit, a first side wall projecting downward from one side edge of the top wall, and a second side wall projecting downward from the other side edge of the top wall so as to be opposed to the first side wall. The suction unit includes a suction duct having one end connected to the dust collector and the other end connected to a vacuum source. | 10-16-2014 |
20150048071 | COAXIAL NOZZLE OF LASER BEAM MACHINE - A coaxial nozzle of a laser beam machine has an inner nozzle in which a laser beam and an inner gas are passing through an inner side, an outer nozzle provided at an outer side of the inner nozzle, and a cooling circuit for cooling the inner nozzle. | 02-19-2015 |
20150096964 | WAFER PROCESSING METHOD - A wafer processing method includes a wafer unit forming step of supporting a wafer through an adhesive tape to an annular frame to thereby form a wafer unit, a wafer unit holding step of holding the wafer through the adhesive tape on a holding surface of a chuck table under suction, a processing step of applying a laser beam to the wafer held on the chuck table to thereby form a modified layer inside the wafer, an unloading step of unloading the wafer unit from the chuck table, and a dividing step of dividing the wafer along the modified layer as a division start point. The wafer processing method further includes a close contact canceling step of blowing a fluid from the holding surface against the adhesive tape after performing the processing step to thereby cancel the close contact between the adhesive tape and the holding surface. | 04-09-2015 |
20150328718 | POWDER SUPPLY METHOD IN CLADDING - In a powder supply method in cladding, an outlet pressure of a coaxial-nozzle side of a supply pipe connecting a feeder to a coaxial nozzle is set within a predetermined range, and powder is supplied from the feeder to the coaxial nozzle. | 11-19-2015 |
20160111846 | GAS LASER OSCILLATION APPARATUS, GAS LASER OSCILLATION METHOD AND GAS LASER PROCESSING MACHINE - A conventional gas laser oscillation apparatus cannot appropriately deal with an amount of laser gas introduced greater than normal use and can generate a turbulent flow around the total reflective mirror and the partial reflective mirror. This causes unstable discharge, resulting in unstable output of laser beams. The gas laser oscillation apparatus of the present disclosure has a laser oscillator, a first laser-gas inlet, a laser-gas outlet, a first laser-gas introducing port, a laser-gas circulation passage, and a second laser-gas introducing port. Disposed between a first discharge tube and any one of the total reflective mirror and a partial reflective mirror, the first laser-gas introducing port introduces laser gas into the laser oscillator. Disposed in the laser-gas circulation passage, the second laser-gas introducing port introduces laser gas into the laser-gas circulation passage. A laser-gas introducing section is connected to the first and the second laser-gas introducing ports. | 04-21-2016 |
20160184927 | CROSSJET ASSEMBLY AND METHOD FOR CARRYING AWAY CONTAMINANTS - The invention relates to a crossjet assembly for generating a gas flow that is conducted between a laser source ( | 06-30-2016 |