Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7370415 | Manufacturing method of ink-jet head A method for manufacturing an inkjet print head with ink channels formed on a member including a piezoelectric body, and where ink is jetted from each of the ink channels by applying a voltage to electrodes provided on the piezoelectric body for each of the ink chan... | 05/13/2008 |
| 7326654 | Monodisperse nanoparticles produced by size-selective photoetching reaction Monodisperse nanoparticles are prepared with a high degree of reproducibility by controlling pH in size-selective photoetching. The nanoparticles have uniform optical properties and other properties. ... | 02/05/2008 |
| 7318888 | Method of photoelectrolysis A method for the photoelectrolysis of a liquid or gaseous species, comprises irradiating an ion exchange membrane of a membrane electrode assembly, wherein the membrane is an optically transparent material and comprises the species. ... | 01/15/2008 |
| 7299557 | Tilt sensor A tilt sensor has a source for optical radiation, a pattern support having an optically effective pattern for the passage of the optical radiation generated by the source, a tilt-sensitive unit downstream of the pattern support in the direction of propagation of the... | 11/27/2007 |
| 7267781 | Method of fabricating optical filters A method of fabricating optical filter is disclosed. The method includes providing the substrate and selectively etching the substrate to form a plurality of freestanding layers. A plurality of dielectric layers is disposed over an outer surface of each of the frees... | 09/11/2007 |
| 7259100 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 08/21/2007 |
| 7259101 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 08/21/2007 |
| 7253119 | Passivated nanoparticles, method of fabrication thereof, and devices incorporating nanoparticles A plurality of semiconductor nanoparticles having an elementally passivated surface are provided. These nanoparticles are capable of being suspended in water without substantial agglomeration and substantial precipitation on container surfaces for at least 30 days. ... | 08/07/2007 |
| 7253014 | Fabrication of light emitting film coated fullerenes and their application for in-vivo light emission A nanoparticle coated with a semiconducting material and a method for making the same. In one embodiment, the method comprises making a semiconductor coated nanoparticle comprising a layer of at least one semiconducting material covering at least a portion of at lea... | 08/07/2007 |
| 7250104 | Method and system for optically enhanced metal planarization The methods and systems described provide for radiation assisted material deposition, removal, and planarization at a surface, edge, and/or bevel of a workpiece such as a semiconductor wafer. Exemplary processes performed on a workpiece surface having topographical ... | 07/31/2007 |
| 7229470 | Flexible stent A flexible tubular stent including loosely interlocked annular elements without intersections or cross-over points. ... | 06/12/2007 |
| 7211504 | Process and arrangement for the selective metallization of 3D structures A process is provided for the selective metallization of 3D structures, particularly for the selective gold-plating of 3D contact structures on wafers, such as contact bumps, which are electrically connected to a bond pad on the wafer via a three-dimensional, mechan... | 05/01/2007 |
| 7198864 | Silicon-based fuel cell electrode structures Fuels cells, electrode assemblies, and electrodes that comprise silicon and/or sol-gel derived support structures, as well as to methods relating thereto, are disclosed herein. In one embodiment, the invention is directed to an electrode assembly adapted for use wit... | 04/03/2007 |
| 7194013 | GaN semiconductor laser device, and optical disk information system using the laser device Two or more of striped structures are formed in one chip, and a relaxation oscillation frequency of the first striped structure is greater than a relaxation oscillation frequency of the second striped structure. An RIN value at low output is improved by the first st... | 03/20/2007 |
| 7165647 | Mechanical acoustic filter by erosion etching A mechanical acoustic filter is formed of boards made by using erosion etching. The filter may be used in electric condenser microphones. The filter may be made of one or a plurality of boards each being made by erosion etching according to different requirements. T... | 01/23/2007 |
| 7166417 | Method for manufacturing recording media, method for manufacturing production plate used when manufacturing recording media, apparatus for manufacturing recording media, and apparatus for manufacturing production plate used when manufacturing recording media When manufacturing a recording medium, a material layer 12 formed on a substrate 11 that composes the recording medium is exposed to a laser beam in accordance with a recording pattern. The material layer 12 has a predetermined reflectivity for ... | 01/23/2007 |
| 7139459 | Spectral filter for green and longer wavelengths Visible and infra-red spectral filters based on arrays of uncoupled identical waveguides having coherently modulated cross sections offer many unique advantages, such as independence of the spectral position of the Bragg-resonance based transmission or reflection fe... | 11/21/2006 |
| 7090763 | Process for the production of shaped articles of niobium or tantalum by electrochemical etching Process for the production of shaped articles of niobium or tantalum by electrochemical etching of a niobium or tantalum sheet covered by a structured photoresist mask in an aqueous solution containing hydrofluoric acid, the etching being effected under electrochemi... | 08/15/2006 |
| 7074317 | Method for fabricating trench capacitors for large scale integrated semiconductor memories An electrochemical method is provided for producing trenches for trench capacitors in p-doped silicon with a very high diameter/depth aspect ratio for large scale integrated semiconductor memories. Trenches (macropores) having a diameter of less than about 100 nm an... | 07/11/2006 |
| 7064082 | Methods for forming pin alloy-semiconductor devices with rectifying junction contacts The present invention pertains to a more efficient system and method for forming rectifying junction contacts in PIN alloy-semiconductor devices using photoelectrical and chemical etching. The present invention provides a means of creating rectifying junction contac... | 06/20/2006 |
| 7045052 | Method of manufacturing a spectral filter for green and longer wavelengths A method of manufacture for optical spectral filters with omnidirectional properties in the visible, near IR, mid IR and/or far IR (infrared) spectral ranges is based on the formation of large arrays of coherently modulated waveguides by electrochemical etching of a... | 05/16/2006 |
| 7026255 | Method and device for photo-electrochemically etching a semiconductor sample, especially gallium nitride In a method for photo-electrochemical etching of a semiconductor sample, the semiconductor sample is brought in contact with an electrolyte liquid. The contact area formed thereby is illuminated through the electrolyte liquid with UV light. The photo-current created... | 04/11/2006 |
| 7022544 | High speed photodiode with a barrier layer for blocking or eliminating slow photonic carriers and method for forming same A structure (and method for forming the structure) includes a photodetector, a substrate formed under the photodetector, and a barrier layer formed over the substrate. The buried barrier layer preferably includes a single or dual p-n junction, or a bubble layer for ... | 04/04/2006 |
| 7001501 | Method for etching at least one ion track to a pore in a membrane and electrolyte cell for preparing the membrane In an electrolytic cell a membrane consisting of dielectric material such as an organic polymer, which separates two chambers of the electrolytic cell from each other is produced using an etching solution which is provided in one of the chambers, contains active etc... | 02/21/2006 |
| 6992298 | Coated spherical silicon nanoparticle thin film UV detector with UV response and method of making A UV detector has a UV detection thin film of coated spherical silicon nanoparticles formed upon a substrate. The detector includes structures to bias the thin film. In preferred embodiments, a thin conductor that is at least semi-transparent to UV radiation is form... | 01/31/2006 |
| 6927016 | Blank disc and direct stamper and its manufacturing method A method for manufacturing a direct stamper to be used for molding optical discs, includes forming a layer of a crosslinkable substance all over a surface of a base disc, subjecting the crosslinkable substance to a first crosslinking reaction, thereafter, forming a ... | 08/09/2005 |
| 6908770 | Fluid based analysis of multiple analytes by a sensor array A system for the rapid characterization of multi-analyte fluids, in one embodiment, includes a light source, a sensor array, and a detector. The sensor array is formed from a supporting member into which a plurality of cavities may be formed. A series of chemically ... | 06/21/2005 |
| 6906339 | Passivated nanoparticles, method of fabrication thereof, and devices incorporating nanoparticles A plurality of semiconductor nanoparticles having an elementally passivated surface are provided. These nanoparticles are capable of being suspended in water without substantial agglomeration and substantial precipitation on container surfaces for at least 30 days. ... | 06/14/2005 |
| 6790340 | Method and apparatus for radiation assisted electrochemical etching and etched product An electrochemical etching system has an etching bath for holding an n-type silicon substrate with a first surface of the substrate in contact with hydrofluoric acid, an electrode positioned in the hydrofluoric acid, a power source having a positive pole connected t... | 09/14/2004 |
| 6726829 | Method of manufacturing a stent Disclosed herewithin is an apparatus for fabricating a stent which involves processing a tubular member whereby no connection points to join the edges of a flat pattern are necessary. The process includes the steps of: a) preparing the surface of a tubular member, b... | 04/27/2004 |
| 6602397 | Method for producing a filter A method for the production of filters in which a blank of n- or p-doped etchable semiconductor material is connected as an anode or a cathode according to doping. The method includes contacting a first side of the blank with an etching solution in which ... | 08/05/2003 |
| 6562226 | Electrochemical machining method An electrochemical machining process gives a workpiece such as a honeycomb panel a 3-dimensional profile form having a varying cross-section perpendicular to an axis of the profile form. In the process an electrode is maintained in a constant position rel... | 05/13/2003 |
| 6521118 | Semiconductor etching process and apparatus There is provided a process for etching a semiconductor material, comprising the steps of: providing an electrochemical cell containing an etching electrolyte, the etching electrolyte being selected from the group of acidic electrolyte solutions, alkaline... | 02/18/2003 |
| 6423207 | Method and apparatus for etching A method of making, by etching, depressions in selected portions of an etching surface of an electrically conductive etching material, the depressions forming an etching pattern, comprises the step of contacting the etching material with an etchant. A pas... | 07/23/2002 |
| 6413408 | Method for the production of a porous layer An interference filter having a layer with an area consisting of a porous material extending from the surface of the layer to the interior, the dimensions of the porous layer area in a direction normal to the layer surface have different values to provide... | 07/02/2002 |
| 6340425 | Method of manufacturing cold cathode device having porous emitter In the manufacturing of the cold cathode device which has a porous silicon portion as an emitter portion, the silicon layer is given an electric potential, while the gate electrode is given an electric potential lower than that of the silicon layer. And t... | 01/22/2002 |
| 6328876 | Method for producting a filter A method for producing a filter includes the steps of providing a blank of etchable semiconductor material having a first side and a second side and affixing a holding element to the blank. The holding element is chemically resistant to an etching solutio... | 12/11/2001 |
| 6074546 | Method for photoelectrochemical polishing of silicon wafers A method is provided for photochemical polishing of a silicon wafer using electromagnetic waves within the spectrum of 150 to 2000 nanometers wavelength. A photochemical polishing apparatus is also disclosed in which the electromagnetic waves are provided... | 06/13/2000 |
| 5935410 | Process and device for the lighting-supported structuring of porous silicon A process for producing a structured area of porous silicon on a substrate, in which silicon is etched and structured by means of illumination, includes selectively aiming the illumination during or after the formation of the porous silicon directly at a ... | 08/10/1999 |
| 5902475 | Method for manufacturing a stent Disclosed herewithin is a method of fabricating a stent which involves processing a tubular member whereby no connection points to join the edges of a flat pattern are necessary. The method includes the steps of a) removing contaminates from a tubular mem... | 05/11/1999 |
