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6310315 |
Reworkable laser welding process
A reworkable laser welding process for welding a first element to a second element.
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6299707 |
Method for increasing the wear resistance in an aluminum cylinder bore
This invention is directed toward a method for enhancing the wear resistance of an aluminum cylinder bore comprising laser alloying of the cylinder bore with selected precursors. The present...
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6295719 |
Compressive stress treatment method for controlling curvature of a hydrodynamic bearing slider
A method of controlling curvature of hydrodynamic bearing slider. The method includes adding a preselected amount of compressive surface stress to the slider to change curvature of the slider and...
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6294225 |
Method for improving the wear and corrosion resistance of material transport trailer surfaces
This invention relates to a method of improving the corrosion and wear resistance of a transport trailer surface. More specifically the present invention relates to a method of laser alloying the...
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6292584 |
Image processing for laser peening
An image processing system for monitoring a laser peening process includes a laser peening system having a workpiece positioner and a system controller. A video camera is utilized for forming an...
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6288358 |
Mobile laser peening system
A remote laser shock processing system for improving the properties of a solid workpiece by providing shock waves therein. The system includes a remote output end and a laser beam delivery...
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6288361 |
Method and device for joining flat products to be connected such that they overlap
The invention relates to the joining of flat products of metallic materials to be interconnected overlapping. The joining takes place in a roll nip into which the flat products to be interconnected...
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6284067 |
Method for producing alloyed bands or strips on pistons for internal combustion engines
This invention relates to a method of using a laser to produce alloyed bands or strips on the surface of a piston for an internal combustion engine. More specifically, the present invention relates...
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6281473 |
Apparatus and method for controlling confinement media thickness in laser shock peening
A laser shock peening system includes an apparatus and method that senses a thickness of laser transparent confinement media flow, such as water. In one embodiment, the apparatus indicates a proper...
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6278078 |
Laser soldering method
An automated soldering technique and device are provided that are robust and reliable. A laser is used to heat metallic components to be soldered, and a wavelength of the laser is chosen based in...
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6265691 |
Method of making implantable lead including laser wire stripping
An apparatus and method are disclosed by which a laser beam is used to remove or ablate the insulating coating from a desired segment of an insulated conductor without damaging or causing...
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6262390 |
Repair process for aluminum nitride substrates
A method to repair Aluminum Nitride (AlN) substrates is disclosed wherein a frequency doubled Q-switched Nd:YAG laser is used to remove unwanted metallurgy. The substrate is place in a liquid...
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6262389 |
Laser-processable glass substrate and laser processing method
A sheet of silicate glass having a thickness of 2 mm and composed mainly of SiO 2 , and containing Al 2 O 3 , B 2 O 3 , Na 2 O, F, etc., is immersed in a molten salt comprising a mixture of 50...
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6252195 |
Method of forming blind holes in surgical needles using a diode pumped Nd-YAG laser
A method of laser drilling surgical needles. The method utilizes a diode pulsed laser to produce a laser beam consisting of a train of high energy pulses.
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6248973 |
Laser marking method for semiconductor wafer
In a laser marking method for making a dot mark on a semiconductor wafer by using laser beam, molten splashes which arise at the laser marking are prevented from adhering to a surface of the wafer...
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6215097 |
On the fly laser shock peening
An on the fly method of laser shock peening a gas turbine engine part by continuously moving a metallic gas turbine engine part while continuously firing a stationary laser beam, which repeatably...
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6215093 |
Selective laser sintering at melting temperature
A method is disclosed for manufacturing a molded body, in accordance with three-dimensional CAD data of a model of a molded body, by depositing layers of a metallic material in powder form. Several...
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6211487 |
Printed circuit board and method of manufacturing the same
A printed circuit board includes an uncured substrate material with closed voids which are disposed with a through-hole. When the through-hole is formed, voids which exist in the substrate material...
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6203633 |
Laser peening at elevated temperatures
A method of altering the properties of a solid material by varying the temperature of the solid material either before or after or both before and after laser shock processing the solid material....
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6201215 |
Method of making a thick film low value high frequency inductor
A thick film low value high frequency inductor made by the process of subjecting a conductor layer to a plurality of linear cuts by a pulsing laser cutter imposed simultaneously on the entire...
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6188041 |
Method and apparatus for real-time weld process monitoring in a pulsed laser welding
A method and apparatus for real-time weld process monitoring are provided for a pulsed laser welding. The thermal radiation from a weld pool is measured at several spectral bands through an...
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6178852 |
Rotary die laser machining and hardening apparatus and method
A pair of rotary die cylinders having co-acting cutting blades formed by integral lands projecting generally radially outwardly from the main body of each cylinder and a method of making them by...
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6173886 |
Method for joining dissimilar metals or alloys
The present invention relates to an improved method for joining metals or alloys together. Specifically, the present invention relates to a method comprising the laser alloying of a first...
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6172327 |
Method for laser twist welding of compressor blisk airfoils
A method for repair welding a titanium compressor blisk using laser twist welding. A blisk assembly has damaged portions removed. The surface to be repaired is provided with a predetermined...
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6160240 |
Method of producing microstructural medical implants
In a method of producing microstructural medical implants by laser material processing, it is provided to make use of a tunable laser beam of a pulse length in the order of magnitude of...
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6146813 |
Method and shunting and deshunting an electrical component and a shuntable/shunted electrical component
The present invention provides a method for the creation and removal of shunts for the prevention of ESD/EOS damage to electrical components. In one embodiment of the present invention, the...
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6144009 |
Combination punch press and laser machine
A combination punch press and laser machine has its punch press system and worktable mounted to one frame while its laser system mounted to another frame. The two frames are not in contact with...
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6144012 |
Efficient laser peening
A method of laser shock peening a workpiece including the steps of laser shock peening at least one surface of the workpiece so that it extends over an area of the workpiece and forms a region...
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6139049 |
Air bag tear seam and method of manufacture
A method for manufacture an air bag cover includes providing a cover skin made of a polymeric material and weakening a seam region in the skin by selective exposure to ultraviolet light.
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6140606 |
Laser cutting system
A laser cutting system has a specially designed frame that allows the laser cutting head to be mounted to the underside of a cross beam for a more efficient movement. The frame is further designed...
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6130400 |
Ballistic momentum apparatus and method for monitoring and controlling laser shock peening
A method for quality assurance of a laser process and, more particularly, a laser shock peening process that uses a ballistic momentum apparatus for maintaining quality control of a laser shock...
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6130401 |
Device and method for machining transparent medium by laser
Transparent media having high hardness and poor light absorption is cut or scribed with characters or figures by a laser beam. The method includes forming a support of a medium which is a good...
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6113707 |
Method and apparatus for cleaning vulcanization molds for elastomer material articles
In a vulcanization mold (2) for vehicle tires the rubber blend deposits are cleaned off by the action of one or more laser beams (9) supplied in the form of short-duration and high-energy pulses,...
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6114652 |
Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films
A method of forming an acoustic attenuation chambers within a honeycomb core. The honeycomb core have a plurality of honeycomb cells having interconnected side walls. A plurality of septum layers...
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6111213 |
Welding fittings on a hydraulic cylinder
A fitting is mounted on a hydraulic cylinder tube having a cylindrical outer surface by first positioning the fitting against the surface of the tube with the fitting engaging the surface along an...
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6103993 |
Hollow rotor blade of columnar structure having a single crystal column in which a series of holes are laser drilled
A hollow structural part having an internal hollow space, preferably a blade for a turbodrive, is made of a metal alloy with a columnar structure solidified in an oriented manner with...
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6087622 |
Low cost assembly of wireless load beam suspensions
Assembly of wireless conductors onto load beams by putting up the wireless conductors in a pattern that is a multiple of the number of load beams on a fret, and indexing the pattern of wireless...
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6087621 |
Method for laser hammering a multi-channel optoelectronic device module
A method for correcting or hammering a deformation which occurs in the multi-channel optoelectronic module and is caused by a post welding shift. The multi-channel optoelectronic module has an...
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6078022 |
Laser peening hollow core gas turbine engine blades
A hollow workpiece includes an outside surface through which a port opens to the hollow interior, and a laser peened area on the surface of the workpiece. The laser peened area is created on the...
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6075221 |
Mechanism and method of making anti-slip handles
The method and mechanism of making an anti-slip handle having a gripping portion in which a plurality of grooves are formed in the gripping portion of the handle with the first set of grooves...
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6075223 |
High contrast surface marking
A method of laser marking metals, plastics, ceramic materials, glazes, glass ceramics, and glasses of any desired form, which comprises applying to the material to be marked a variable thickness...
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6073464 |
Laser surface treatment device and method
A laser surface method involves applying a laser beam treatment in one or several steps to a series of generally similar surfaces of given depth. Properties of the laser treatment are selected so...
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6072151 |
Method for adjusting head suspension load
A method for adjusting the load of a head suspension for supporting a read/write head over a disk in a magnetic disk drive. The suspension includes a load beam having a rigid region and proximal...
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6072150 |
Apparatus and method for in-line soldering
An apparatus and method for thermal processing of a workpiece in an assembly line. The workpiece is carried by a conveyor into a target zone, where one or more optical systems aim multiple...
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6068966 |
Method for printing bar-codes
The bar-code printing method of the present invention comprises a step of irradiating the circumferential surface of a metal tube with laser beams so as to make at least one group of thin...
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6062590 |
Air bag tear seam and method of manufacture
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6064034 |
Laser marking process for vitrification of bricks and other vitrescent objects
A laser marking system for vitrification of a brick, tile, paver, or pot. A laser such as a continuous wave Nd:Yag or carbon dioxide unit is configured for optimized vitrescence of an object placed...
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6049055 |
Method of producing a smart card
The invention is a method of producing a chip module for use with a smart card. The chip module is mounted in the smart card and has contacts for communicating with external appliances. The...
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6049058 |
Laser peening process and apparatus with uniform pressure pulse confinement
A method and apparatus for improving properties of a solid material by providing shock waves therethrough. Laser shock processing is used to provide the shock waves. The method includes applying a...
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6049056 |
Method of laser cutting a metal line on an MR head with a laser
A thin film conductive line is formed between MR pads on an MR head for protecting an MR sensor from electrostatic discharge (ESD) during assembly steps between row level fabrication of the head...
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