Patents for B23K 26 - Working by laser beam, e.g. welding, cutting, boring (47,857)
10/1991
10/15/1991CA1290816C Method and apparatus for repetitively marking a moving sheet
10/09/1991EP0450617A1 Method of forming weld bead of pure copper on ferroalloy base material
10/09/1991EP0450349A1 Process and device for continuous welding of butt guided bands using a laserbeam
10/09/1991EP0450313A2 Laser etching of materials in liquids
10/08/1991US5055653 Laser beam machining device
10/08/1991US5055651 Interference shield suitable for use in automated manufacturing environment
10/08/1991US5054195 Process for the production of a valve
10/08/1991CA1290404C Method of welding
10/03/1991WO1991014864A1 Solenoid valve
10/03/1991WO1991014531A1 Method of controlling attitude of cnc laser working machine
10/03/1991WO1991014529A1 Process and device for heating a welding material
10/02/1991EP0449377A1 Method for welding enamelled metal objects and the obtained product
10/02/1991EP0448776A2 Control of output energy of pulsed light source
10/02/1991EP0403507A4 Improved laser-heated intravascular cautery cap
10/02/1991DE4010244A1 Three dimensional circuit board mfr. - using laser machining to provide circuit pattern in conductive lacquer layer subsequently metallised
10/02/1991DE4009859A1 High power laser beam prodn. - by combining successive laser pulses from separate solid state lasers
10/02/1991DE4007687A1 Vorrichtung zum bearbeiten einer endlosen bahn Apparatus for editing a continuous web
10/01/1991US5053602 Laser beam delivery system
10/01/1991US5053601 Process and apparatus for producing welded stamped parts
10/01/1991US5053171 Manufacture of ophthalmic lenses by excimer laser
10/01/1991US5053090 Selective laser sintering with assisted powder handling
10/01/1991US5052414 Cigarette perforation apparatus and method
09/1991
09/25/1991EP0448408A2 Optical cutting method and optical cutter
09/25/1991EP0448168A1 Method of cleaving a brittle plate and device for carrying out the method
09/25/1991EP0366748A4 Laser based plastic model making workstation
09/25/1991CN1054835A Laser, direct-write integrated circuit production system
09/24/1991US5052017 High power laser with focusing mirror sets
09/24/1991US5051558 Laser material processing apparatus and method therefore
09/19/1991WO1991013731A1 Industrial robot provided with cabling mechanism
09/19/1991WO1991013718A1 Device for working a continuous strip
09/19/1991WO1991013680A1 Method of forming a thin electroconductive film
09/19/1991DE4104943A1 Impregnated supply cathode for large projection tube - has metal matrix in cup fixed in sleeve by laser welding
09/19/1991DE4007947A1 Laser-beam working - using additional energy source to maintain plasma energy coupling capability during time in cycle when main laser beam is switched off
09/19/1991DE4007842A1 Making cylindrical barrel carcass - holding galvanised body tight at seam for laser welding in protective atmos.
09/18/1991EP0446887A1 Laser, direct-write integrated circuit production system
09/18/1991EP0446811A1 Method and apparatus for grinding diamond and diamond product using the same
09/18/1991EP0446714A1 Method of manufacturing laminated core
09/18/1991EP0446482A1 Marking process
09/18/1991CN1054692A Optical fiber link control safety system
09/17/1991US5049723 System for detecting penetration of a blank
09/17/1991US5049722 Laser barrier material and method of laser drilling
09/17/1991US5049720 Laser welding apparatus with sky window
09/17/1991US5049718 Method of laser bonding for gold, gold coated and gold alloy coated electrical members
09/17/1991US5048953 Optical collimating, laser ray target position indicating and laser ray absorbing device of a laser system
09/17/1991CA1289197C Machine with laser microbeam intended for working thin layer objects
09/16/1991CA2037828A1 Laser, direct-write integrated circuit production system
09/11/1991EP0445818A1 Method of modifying surface qualities of metallic articles and apparatus therefor
09/11/1991EP0445633A1 Method to weld metallic beams and metallic beams thus produced
09/11/1991EP0445297A1 Laser machining method
09/10/1991US5047609 Crossed dot bar graph display for indication of position of a light beam, and an improved laser system with active laser cavity alignment using same
09/10/1991CA1288824C Method and apparatus for continuous production of tubular bodies by means of laser longitudinal seam welding
09/05/1991WO1991012924A1 Method for marking a printing medium and device for implementing such method
09/05/1991WO1991012923A1 Device for monitoring workpieces machined by laser beam
09/05/1991WO1991011538A3 Improving material properties
09/05/1991DE4006622A1 Vorrichtung zum ueberwachen von mit laserstrahlung bearbeiteten werkstuecken Apparatus for supervise of machined workpieces with laser radiation
09/05/1991DE4006618A1 Generating laser beam for measuring and analysis - involves separating measurement beam from main beam by reflection in grooves in flat metal mirror
09/04/1991EP0444550A2 Apparatus for supplying powder filler materials in a welding zone
09/04/1991EP0444271A2 Disc for a centrifugal separator
09/03/1991US5045679 Optical path adjusting system with dual-axis wedge prisms
09/03/1991US5045669 Method and apparatus for optically/acoustically monitoring laser materials processing
09/03/1991US5045668 Apparatus and method for automatically aligning a welding device for butt welding workpieces
09/03/1991CA1288481C Sculpture apparatus for correcting curvature of the cornea
08/1991
08/29/1991DE4004736A1 Ablation control using laser beam - uses second laser to generate beam of greater wave length then ablation laser to analyse region at working position
08/28/1991EP0443646A1 Method and device for either cutting or perforating a moving web of paper
08/28/1991EP0443639A1 Improvements in laser marking of plastic articles
08/28/1991EP0443023A1 Excimer laser ablation method and apparatus for microcircuit device fabrication
08/28/1991EP0338005B1 Process and device for cutting materials with a laser beam
08/27/1991US5043556 Method of cutting a material by a laser machine
08/27/1991US5043555 NC laser device
08/27/1991US5043553 Laser beam
08/22/1991WO1991012640A1 Laser with beam-intensity adjustment device
08/22/1991DE4104577A1 Pulsed laser for machining aluminium or similar material - is modulated at natural frequency of oscillation, either in cavity or by modulation of pump source
08/22/1991DE4005453A1 Stand-off distance measuring equipment - including measuring laser, used on material processing laser
08/22/1991DE4005314A1 Laser micro-soldering process - with temp. control by adjusting laser output energy
08/22/1991DE4005002A1 Processing contaminated metal scrap - esp. transformers contg. PCB coolants
08/22/1991DE4004544A1 Distortion-free laser welding esp. for optical components - uses three laser focussing systems to weld rotationally symmetrical workpiece to second workpiece
08/21/1991CN1053964A Plate-like metal element for electrical resistor grid assembly
08/20/1991US5041716 Laser machining device comprising an acousto-optic modulator unit
08/20/1991US5041715 Gas spring, a method of filling a gas spring with pressurized gas and an installation for performing the method
08/20/1991US5041714 Workpiece processing arrangement
08/14/1991EP0441108A2 A device for supporting and adjusting a mirror in a laser-robot system and a laser-robot system using the device
08/14/1991EP0440990A1 Optical collimating, laser ray target position indicating and laser ray absorbing device of a laser system
08/13/1991US5038950 Method and apparatus for joining together associated metal conductors of a layer structure with an insulating layer provided therebetween
08/08/1991WO1991011329A1 Process for the material-removal treatment of laminated workpieces and laminate thus made
08/08/1991WO1991011289A1 Welding monitoring device
08/08/1991WO1991011288A1 Laser micro-film machine for processing objects having thin films such as integrated circuits
08/08/1991WO1991011287A1 Method and device for cutting a multilayer assembly composed of a plurality of thin films and comprising a thin film electrochemical generator or a component part thereof
08/08/1991DE4002986A1 Block gauge - comprises sintered zirconium oxide, yttrium oxide and aluminium oxide ceramic, with markings formed by laser
08/08/1991DE4002627A1 Schweissueberwachungseinrichtung Schweissueberwachungseinrichtung
08/07/1991EP0440397A2 Method for laser cutting metal plates
08/07/1991EP0440002A1 Apparatus for welding motor-vehicle bodies
08/07/1991EP0440001A1 A device for laser welding motor vehicle bodies
08/06/1991US5038016 Laser welding monitoring system and method
08/06/1991US5038015 End effector for translating in a cartesian coordinate system
08/06/1991US5038014 Laser welding
08/06/1991US5037507 Method of manufacturing an insulating arrangement for optical insulation of integrated components
08/06/1991US5037183 Laser drilling
08/06/1991US5037024 Method of splicing metal webs
08/06/1991US5036836 Lithotripter with shock-wave generator movement mechanism
08/06/1991CA1287245C Wear-resistant laser-engraved metallic carbide surfaces for friction rolls for working elongate members, methods for producing same andmethods for working elongate members