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| Number | Title | Issue Date |
| 6833527 | Slotted substrates and methods and systems for forming same Methods and systems for forming slots in a print head substrate having a thickness defined by opposing first and second surfaces. In one exemplary embodiment, a trench is received in the first surface and extends through less than an entirety of the thickness of the... | 12/21/2004 |
| 6831249 | Slider produced by slider curvature modification by substrate melting produced with a pulsed laser beam A method and apparatus for producing very high crown and camber curvature in slider materials using a laser processing system which produces fluence which is variable in a controllable manner, by applying a laser beam to the flex side of the slider material and vary... | 12/14/2004 |
| 6829816 | Method of manufacturing nonreciprocal circuit device A compact and highly reliable nonreciprocal circuit device can be manufactured at low cost. Marking is clearly performed on a surface of the nonreciprocal circuit device. In a method of manufacturing the nonreciprocal circuit device, after components constituting th... | 12/14/2004 |
| 6825440 | Laser beam machining method and apparatus Disclosed is a laser beam machining method and apparatus for irradiating a work with a laser beam, to melt-evaporate the irradiated region of the work at the irradiation spot. According to the invention, a work such as an optical fiber can be machined into a complic... | 11/30/2004 |
| 6822192 | Laser engraving of ceramic articles A brick, and similar article, engraving process utilizes a CO2 continuous beam laser guided over a beam path which outlines a graphic image on the article being engraved and repeats the beam path at incrementally spaced positions of the beam until the wid... | 11/23/2004 |
| 6822191 | Method for producing a trench structure in a polymer substrate In order to produce a trench structure having steep sidewalls free of residues in an, in particular, glass-fiber-reinforced substrate, the substrate is provided with a conformal mask having cutouts corresponding to the trench structure to be produced. In this case, ... | 11/23/2004 |
| 6822190 | Optical fiber or waveguide lens Method of making a lens on an optical fiber or waveguide using a femtosecond laser. The lens may be further smoothed by the application of heat. ... | 11/23/2004 |
| 6822189 | Method of laser marking and apparatus therefor A method of laser marking, suitable for the marking of hard transparent materials without causing microcracking, includes arranging a sample of target material and a sample of markable material such that they are spaced apart; directing irradiation having an energy ... | 11/23/2004 |
| 6821472 | Method of laser machining materials with minimal thermal loading A method of controlling thermal loading of an electronic component material during ablation thereof provides a first laser light beam 42 at a certain power density and fluence and uses the first laser light beam to remove a portion of a first side 47 o... | 11/23/2004 |
| 6821305 | Process of producing a colored area of desired depth in an anodized layer of metal article A process of coloring an anodized layer on a metal article comprising laser marking an area to be colored to a desired depth and applying a polymerizable ink to color the area to the desired depth. The ink may optionally include a volatile aqueous or non-aqueous sol... | 11/23/2004 |
| 6820324 | Method of manufacturing a resistor connector A resistor connector (C) includes a pair of parallel lead frames (1, 1), a resistor (10) with a pair of electrodes (14, 14) and a mold resin (2). Each said lead frame (1) includes a terminal portion (1a) and an electr... | 11/23/2004 |
| 6819972 | Material surface processing with a laser that has a scan modulated effective power to achieve multiple worn looks Techniques which enable changing certain amount of energy being applied from a laser to a material during scan lines of the laser. Energy can be applied to a material to change its look. Different energies can be applied within a single scan line to the material. A ... | 11/16/2004 |
| 6818859 | Glass vials with data matrix codes and method of making the same A glass vial which includes a tubular glass container having a closed bottom end and an open top end is disclosed. The bottom end of the container is painted with a ceramic paint. The vial is then fired so that the paint bonds to the bottom end. A laser beam is then... | 11/16/2004 |
| 6816800 | Method of recording a vibration isolation system In relation to a vibration isolation system, which comprises at least one vibration isolation device that can be assigned to an isolation element, the fact that a method of recording the system with the aid of a closed-loop and/or open-loop control device is provide... | 11/09/2004 |
| 6815637 | Apparatus for marking a vehicle The present invention provides a method and apparatus for marking vehicles using a laser. In order to allow any part of the vehicle to be marked using a simple, strong laser beam delivery conduit, the laser is mounted on a structure 101 which extends over a v... | 11/09/2004 |
| 6813820 | Method of improving coating uniformity The invention is a method of forming extrudate having substantially uniform thickness. A shim is formed which has a thickness variation of less than or equal to about 0.5 mil (13 microns) total indicated runout. This shim is disposed between a first die portion havi... | 11/09/2004 |
| 6807456 | Fractal jean manufacturing Formation of fractal garments using a laser to scribe a total pattern onto jean parts. The pattern is formed into a 60 by 60 image, that is formed to form all parts of the denim design. ... | 10/19/2004 |
| 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 assisted particle removal (LAPR), the methods and apparatus remove minute... | 10/19/2004 |
| 6802927 | Method for cutting a member to form a desired structure A method and apparatus for improved cutting of an object is provided. The object can take the form of many different structures including thin formations that require cutting precision, support, and dimensional control. In accordance with one example embodiment of t... | 10/12/2004 |
| 6797918 | Rail cleaning method and apparatus A method of cleaning a rail by removing contaminants from the surface of the rail comprises generating a high intensity pulsed laser beam and directing the laser beam onto the surface of the rail so as to destroy at least part of the contaminants. Preferably the par... | 09/28/2004 |
| 6794605 | Method for fabricating chemical mechanical polshing pad using laser Disclosed is a method for forming micro-holes, perforated holes, or grooves on a chemical mechanical polishing pad by a laser. This method involves the steps of determining a pattern of micro-holes, grooves, or perforated holes to be formed on a polishing pad, input... | 09/21/2004 |
| 6793865 | Gage thickness measurement by use of inductive sensors A measuring gage for determining the thickness of a non-metallic material utilizes an inductive sensor positioned on one side of the material to be measured and a metallic object placed on the opposite side. The output of the sensor is used to determine the distance... | 09/21/2004 |
| 6791059 | Laser processing A controlled, switched laser system for vaporizing a target structure on a substrate includes a diode-pumped, solid-state laser for producing a laser output, a controllable switch for controlling the on/off state and power level of the laser, and a wavelength shifte... | 09/14/2004 |
| 6787732 | Method for laser-scribing brittle substrates and apparatus therefor A method of separating a sheet of a brittle material into portions by means of laser-scribing, comprising steps of: (a) providing a sheet of a brittle material having first and second opposing major surfaces separated by a thicknesst; (b) providing a s... | 09/07/2004 |
| 6784400 | Method of short pulse hole drilling without a resultant pilot hole and backwall damage A method for removing material via a laser so as to reduce the formation of channels comprising the steps of emitting a laser pulse comprising a pulse energy, a pulse duration, and a fluence towards a surface of a drilling material the fluence of a value sufficient ... | 08/31/2004 |
| 6784399 | Micromachining with high-energy, intra-cavity Q-switched CO2 laser pulses An EOM Q-switched CO2 laser produces bursts of laser pulses delivered at a high PRF such as 20-140 kHz and having a short high-power spike of about 80-150 ns followed by a lower-power tail of about 0.05-12.0 μs. The bursts and/or laser pulses can be shap... | 08/31/2004 |
| 6783688 | Method and apparatus for structuring printed circuit boards A method and device can be used to pattern both regions of a printed circuit board which are provided for coarse conductor structures and regions which are provided for relatively fine conductor structures of the printed circuit board. In each case, this can be done... | 08/31/2004 |
| 6781094 | Analysis of MEMS mirror device using a laser for mirror removal A method of analyzing a MEMS device having micromirrors. A laser is targeted on one or more mirror elements and used to remove only the mirror. Once the mirror is removed, the underlying structure can be observed in operation, measured, elementally analyzed, or unde... | 08/24/2004 |
| 6777648 | Method and system to manufacture stacked chip devices A method and system for electrically interconnecting a semiconductor device and a component is presented. The semiconductor device includes a dielectric portion on at least one face thereof. Similarly, the component includes a dielectric portion on at least one face... | 08/17/2004 |
| 6777643 | Apparatus and method for laser etching wear patterns into denim pants An apparatus and method for forming simulated wear patterns and designs in denim pants using laser rays. The apparatus includes an indexable carousel having a plurality of circumferentially spaced pant-supporting mandrels that are sequentially indexable to a plurali... | 08/17/2004 |
| 6774340 | Shape of microdot mark formed by laser beam and microdot marking method A dot mark forming method for obtaining a dot mark includes a liquid crystal mask in which the maximum length of each pixel is 50 to 2,000 μm and is irradiated with a homogenized laser beam. The energy density of a split laser beam passed through the liquid crystal... | 08/10/2004 |
| 6774337 | Method for protecting the diaphragm and extending the life of SiC and/or Si MEMS microvalves A microvalve and a method of forming a diaphragm stop for a microvalve. The microvalve includes a first layer and a diaphragm member to control the flow of fluid through the microvalve. The method comprises the step of forming a contoured shaped recess extending inw... | 08/10/2004 |
| 6769962 | Scraping method A scraping apparatus in which a scraping process is performed on a surface of a work to be machined to form recesses thereon by converging a laser beam outputted from a laser oscillator by a converging lens and irradiating the converged laser beam onto the work rela... | 08/03/2004 |
| 6768081 | Method and laser system for production of high quality laser-induced damage images by using material processing made before and after image creation Embodiments of methods and an apparatus for creating high quality laser-induced damage images are disclosed. One or more embodiments of the invention comprise a method for producing laser-induced images inside the special transparent material containing special kind... | 07/27/2004 |
| 6768316 | Laser cutting of laminates for electrical insulation testing A laminate comprising an insulation layer sandwiched between a pair of electrically conductive layers is prepared for electrical insulation testing by using a laser to remove a strip from at least one of the conductive layers proximate the edge of the laminate to el... | 07/27/2004 |
| 6768080 | Method for production of laser-induced damage images with special characteristics by creating damages of special space shape A method for production of laser-induced damage images, which are able to change their optical characteristics depending on bopresight allocation and which are looked like iridescent images laying out white light incident upon them. These images are created by laser... | 07/27/2004 |
| 6765174 | Method for machining grooves by a laser and honeycomb structure forming die and method for producing the same die A laser groove machining method for forming bottomed grooves in a surface of a workpiece using a laser, wherein an emitting position of a laser beam which is to be emitted onto the workpiece is shifted relatively along groove forming positions at a high speed of 150... | 07/20/2004 |
| 6760973 | Laser working method and method for producing ink jet recording head A laser working method, for conducting laser ablation working on a workpiece by irradiating the workpiece with a laser beam, includes the following steps. In working by projecting a mask pattern with the laser beam, a laser beam of plural pulses having a very high e... | 07/13/2004 |
| 6759627 | Method and apparatus for cleaning generator and turbine components A laser-based cleaning system for cleaning generator and turbine parts. In one aspect, the invention includes a system for cleaning blades of a turbine rotor assembly, comprising: a laser positioned remotely from the turbine rotor assembly for generating a laser sig... | 07/06/2004 |
| 6753500 | Method and apparatus for cutting a substrate using laser irradiation The invention relates to a method and apparatus for cutting a substrate using laser irradiation. A laser beam is scanned over a substrate. The beam ablates a first layer of the substrate. The beam is then refocused onto the newly revealed second layer and a further ... | 06/22/2004 |
