U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 219/121.61 - Beam energy control


Subclass of Class 219 - Electric heating
Definition: Subject matter which regulates the output of the beam (e.g.,
No. of applications: 51
Last issue date: 03/22/2012


1    
Application No.Application TitleIssue Date
20120067855FEMTOSECOND LASER PULSE SURFACE STRUCTURING METHODS AND MATERIALS RESULTING THEREFROM
Embodiments of the present invention are generally directed to materials processing methods using femtosecond duration laser pulses, and to the altered materials obtained by such methods. The resulting nanostructured (with or without macro- and micro-structuring) materi...
03/22/2012
20120024827LASER ASSISTED MACHINING APPARATUS WITH DISTRIBUTED LASERS
Laser assisted machining process and machine utilizing multiple distributed laser units that are strategically distributed around the workpiece being machined to simultaneously heat the workpiece, creating a desired temperature distribution for laser assisted machining....
02/02/2012
20110297653METHOD AND DEVICE FOR PRODUCING NANO-STRUCTURED SURFACES
An apparatus and a method for producing nanostructured surfaces are particularly suited for producing surfaces having very low roughness over large lateral extents. The method includes the following steps: providing an article having a surface to be structured; generati...
12/08/2011
20110290276Laser Cleaning Device for Electrode Tab of Battery and Laser Cleaning Method Using the Same
A laser cleaning device, and a laser cleaning method using the same, for removing an electrolyte solution stuck to an electrolyte tab during a process of injecting the electrolyte solution are disclosed. The laser cleaning device for an electrode tab of a battery includ...
12/01/2011
20110284507METHOD FOR STABLIZING AN OUTPUT OF A PULSED LASER SYSTEM USING PULSE SHAPING
A method for stabilizing an output of a pulsed laser system includes a directly modulated laser diode by mitigating the effect of switching transients on the temporal shape of the outputted pulses. The method includes controlling a pulse shaping signal to define, over t...
11/24/2011
20110240611Methods and Device for Laser Processing
The present invention relates to laser ablation microlithography. In particular, we disclose a new SLM design and patterning method that uses multiple mirrors per pixel to concentrate energy to an energy density that facilitates laser ablation, while keeping the energy ...
10/06/2011
20110163076METHOD AND APPARATUS FOR ACTIVATING COMPOUND SEMICONDUCTOR
A compound semiconductor is placed in a reaction vessel (12) of which the inner gas is subjected to replacement with a low-vapor-pressure gas (2) whose equilibrium vapor pressure at the melting point of the compound semiconductor is 1 atm or lower. The low...
07/07/2011
20110095002LASER LAP WELDING METHOD FOR GALVANIZED STEEL SHEETS
A laser lap welding method, for a galvanized steel sheet, includes preparing two steel sheets in lap configuration, at least one of which is the galvanized steel sheet, so that a galvanized layer thereof is located at an interface of the steel sheets; and irradiating a ...
04/28/2011
20110024400METHOD AND APPARATUS FOR LASER PROCESSING THE SURFACE OF A DRUM
A method for exposing the surface of a drum to patterned illumination from a pulsed laser source at a suitable energy density in order to cause ablation of the surface to form a dense, regular array of 3-D microstructures, comprising the steps locating a mask containing...
02/03/2011
20110011837SYSTEMS FOR FORMING A PLURALITY OF CELLS ON THE MASTERING TOOLS
Mastering tools and systems and methods for forming a plurality of cells on the mastering tools are provided. In particular, the systems vary the geometry of the cells or the placement of the cells, or both, for forming a textured surface on a mastering tool....
01/20/2011
20100297856PULSE TRAIN ANNEALING METHOD AND APPARATUS
The present invention generally describes apparatuses and methods used to perform an annealing process on desired regions of a substrate. In one embodiment, pulses of electromagnetic energy are delivered to a substrate using a flash lamp or laser apparatus. The pulses m...
11/25/2010
20100282721SYSTEM AND METHOD FOR IMPROVED FILM COOLING
A system for producing at least one trench to improve film cooling in a sample is provided. The system includes at least one laser source outputting at least one pulsed laser beam. The pulsed laser beam includes a pulse duration including a range less than about 50 μs,...
11/11/2010
20100193481LASER CONSTRUCTED WITH MULTIPLE OUTPUT COUPLERS TO GENERATE MULTIPLE OUTPUT BEAMS
A laser beam switching system employs a laser coupled to a beam switching device that causes a laser beam to switch between first and second beam positioning heads such that while the first beam positioning head is directing the laser beam to process a workpiece target ...
08/05/2010
20100176100LASER 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 on th...
07/15/2010
20100147812Method For Producing A Hole
There is described a method for producing a hole using e.g. a lasers, wherein short laser pulse durations are used. The laser pulse durations are varied, short laser pulse durations being utilized only in the area to be removed in which an influence on the penetration b...
06/17/2010
20100133242LASER PIGMENTS FOR CERAMICS
A coating containing metal phosphate-based compounds and mixtures, mixed compounds, mixed salts or adducts which contain such compounds as pigments for the production of single-coloured or multi-coloured markings, inscriptions and/or decorations by means of laser light ...
06/03/2010
20100032416Laser Processing Method and Processing Apparatus Based on Conventional Laser-Induced Material Changes
The present invention relates to a technique that remarkably increases the processing speed of a conventional ultra-fast laser micro process having a very high processing accuracy. According to the present invention, a laser processing method based on transient changes ...
02/11/2010
20090302029SYSTEMS AND METHODS BASED ON RADIATION INDUCED HEATING OR IGNITION OF FUNCTIONALIZED FULLERENES
A method of irradiating a target region containing at least one fullerene comprising molecule promotes the heating or combustion of the target region. The heating method can be employed in a variety of applications including: selective targeting and destruction of cance...
12/10/2009
20090277884SURFACE MODIFICATION METHOD
The present invention relates to a surface modification method allowing the surface of a subject to be more effectively modified. In a pulsed-laser device suitable for use in this surface modification method, a semiconductor laser light source and a modulator constitute...
11/12/2009
20090277885LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD
The present invention relates to a laser processing apparatus having a structure for effectively processing of objects by condensing a laser beam, and a laser processing method. A laser processing apparatus comprises a common mount surface on which plural objects are di...
11/12/2009
20090266800LASER PROCESSING METHOD FOR TRANSPARENT PLATE
A laser processing method for a transparent plate having a predetermined breaking line including the step of applying a pulsed laser beam to the transparent plate along the breaking line to thereby form a laser processed groove. The pulsed laser beam has an absorption w...
10/29/2009
20090242521ON-THE-FLY MANIPULATION OF SPOT SIZE AND CUTTING SPEED FOR REAL-TIME CONTROL OF TRENCH DEPTH AND WIDTH IN LASER OPERATIONS
Systems and methods cut trenches of multiple widths in a material using a single pass of a laser beam. A first series of laser pulses cut a work surface of the material at a first cutting speed using a first spot size. In a transition region from a first trench width to...
10/01/2009
20090245318Quickly replaceable processing-laser modules and subassemblies
Pre-aligned, kinematically mounted modules including processing lasers, beam trains, and individually calibrated control beams are quickly and easily replaced on subassembly bases with minimal in situ alignment, and can maintain working-spot position to micron tolerance...
10/01/2009
20090242522PHOTONIC MILLING USING DYNAMIC BEAM ARRAYS
A laser processing system includes a beam positioning system to align beam delivery coordinates relative to a workpiece. The beam positioning system generates position data corresponding to the alignment. The system also includes a pulsed laser source and a beamlet gene...
10/01/2009
20090230099Method and Apparatus in Connection with Laser Use
A method in connection with laser use, wherein one or more laser beams emitted by one or more laser sources are focused by beam guiding elements on a fusing spot. A filler delivered to the fusing spot is melted, especially for performing a welding, coating, and/or piece...
09/17/2009
20090223397PRINTING PLATE MAKING APPARATUS AND PRINTING PLATE MAKING METHOD
A printing plate making apparatus which scans a recording medium by light beam in a predetermined pixel pitch, thereby engraving a surface of the recording medium to make a printing plate, wherein an upper surface of a convex portion of light power of the light beam eng...
09/10/2009
20090188899METHOD AND DEVICE FOR PREVENTIVE TREATMENT OF AN OPTICAL SURFACE DESIGNED TO BE EXPOSED TO A LASER FLUX
A device for preventive treatment of an optical surface designed to be exposed to a laser flow including a thermal excitation source for providing a localized thermal annealing of a site of the optical surface) by means of a beam applied to the site. The device further ...
07/30/2009
20090159578MULTIBEAM LASER DEVICE FOR FABRICATING A MICRORETARDER BY HEATING PROCESS
A multi-beam laser device is used to make a microretarder plate, which comprises a plurality of first retardation state areas and second retardation state areas alternating with each other. The device comprises an infrared laser, a beam splitter, and a driving means. Th...
06/25/2009
20090152247Fast axis beam profile shaping for high power laser diode based annealing system
A dynamic surface anneal apparatus for annealing a semiconductor workpiece has a workpiece support for supporting a workpiece, an optical source and scanning apparatus for scanning the optical source and the workpiece support relative to one another along a fast axis. T...
06/18/2009
20090152246Method for Processing Material by Laser Ablation and Material Processed by Processing Method Thereof
In order to easily control the laser pulse width and perform high-precision processing, the method for processing a material by laser ablation according to the present invention is characterized in that the material having a region of which a double logarithmic chart sh...
06/18/2009
20090145887ENERGY COLLECTION AND POWER REDUCTION IN LASER COUPLING PROCESS
An energy collector is used to assist a laser coupling process by reducing the amount of output power of a laser that is used to modify a device attaching element. The energy collector includes an energy collector tip configured to be placed proximate to a device attach...
06/11/2009
20090134130Process and System for Creating Internal Stress in a Metallic Workpiece
A process and a system for creating internal stress in a metallic workpiece by laser shock peening is provided. In the process, a first laser pulse is applied to a treatment site of the workpiece covered by a surface layer. A second laser pulse follows the first laser p...
05/28/2009
20090120914SYSTEM AND METHOD FOR CONTROLLING THE POWER LEVEL OF A LASER APPARATUS IN A LASER SHOCK PEENING PROCESS
An on-the-fly analog switching method and system for providing a switching time of less than one second between energy levels and laser heads for laser shock peening applications. An analog switch is used with variable resistance devices that produce a switching time of...
05/14/2009
20090103181Processing Method and Processing Apparatus Using Interfered Laser Beams
Provided are a processing method and a processing apparatus which are capable of suppressing a disturbance attributable to a surface wave in a processing by interfered laser beams, in particular, a processing by the interfered laser beams of a pulsed laser having a puls...
04/23/2009
20090083979METHOD FOR FORMING RAISED ELEMENTS DISRUPTIVE OF THE BOUNDARY LAYER
The present invention relates to a method for producing, on the surface of a wall capable of being swept by a fluid, raised elements forming disruptions of the boundary layer. It is characterized in that laser shocks are applied to said surface so as to create peaks on ...
04/02/2009
20090001058METHOD AND APPARATUS FOR DEPOSITING RAISED FEATURES AT SELECT LOCATIONS ON A SUBSTRATE TO PRODUCE A SLIP-RESISTANT SURFACE
An improved apparatus and method for applying a plurality of raised features at select locations on a metallic substrate using a high-powered radiant energy source, such as a laser, in combination with powder metallurgy such that the resultant substrate surface exhibits...
01/01/2009
20080302771LASER ENGRAVING SYSTEM AND ENGRAVING METHOD
A laser engraving system (10) for engraving a unengraved workpiece (20) and an engraving method are provided. The laser engraving system includes an image processor (12), an engraving controller (13), a mechanical arm (14), and a laser...
12/11/2008
20080264910Process for Fabricating Optical Waveguides
A one step process for fabricating planar optical waveguides comprises using a laser to cut at least two channels in a substantially planar surface of a piece of dielectric material defining a waveguide there between. The shape and size of the resulting guide can be adj...
10/30/2008
20080241788METHOD FOR THE MANUFACTURE OF DENTAL PROSTHESES
The invention relates to the use of a cobalt-chromium alloy in the manufacture of a dental prosthesis. The alloy contains:
    • 10/02/2008
20080210671Fast axis beam profile shaping by collimation lenslets for high power laser diode based annealing system
A dynamic surface anneal apparatus for annealing a semiconductor workpiece has a workpiece support for supporting a workpiece, an optical source and scanning apparatus for scanning the optical source and the workpiece support relative to one another along a fast axis. T...
09/04/2008
1    
 
Sign InRegister
Username  
Password   
forgot password?