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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8038894 | Method of selectively stripping an engine-run ceramic coating A process for selectively stripping a coating from a component of a turbomachine, and particularly a coating having a ceramic matrix that contains metallic particles dispersed therein that render the coating more difficult to remove from the component after the comp... | 10/18/2011 |
| 7955511 | Silica glass crucible A silica glass crucible used for pulling up silicon single crystal at a high temperature. The silica glass crucible may have at least an outer surface of a wall part of the crucible covered with fine grooves having a length of less than 200 μm, a width of less than... | 06/07/2011 |
| 7691277 | Quartz component for plasma processing apparatus and restoring method thereof The main surface of a quartz component is divided by an offset into a first region having a larger height around an inner perimeter and a second region adjacent to the outer perimeter of the first region. Repeated restoration of a damaged component by forming a bulg... | 04/06/2010 |
| 7686970 | Imprint lithography A method for manufacturing a working template for use in imprint lithography is disclosed, which in an embodiment, involves contacting a first target region of an imprintable medium on a working template substrate with a master template to form a first imprint in th... | 03/30/2010 |
| 7666323 | System and method for increasing the emissivity of a material A system and method is disclosed for increasing the emissivity of solid materials, wherein first the surface of the material is mechanically worked to create micro-level defects, and then etched to create a deep micro-rough surface morphology. In this manner, higher... | 02/23/2010 |
| 7485239 | Component of glass-like carbon for CVD apparatus and process for production thereof Disclosed herein is an inner tube of glass-like carbon for CVD apparatus and a process for production thereof. The inner tube has its surface roughened without increase in metal impurities which cause particles. It has improved adhesion to CVD deposit film and also ... | 02/03/2009 |
| 7452475 | Cleaning process and apparatus for silicate materials A method for treating a surface of a quartz substrate includes preparing a substrate to provide a working surface having an initial roughness; and then ultrasonically acid-etching the working surface to increase the roughness of the working surface by at least about... | 11/18/2008 |
| 7438823 | Imprint method for manufacturing micro capacitive ultrasonic transducer The present invention relates to an imprint method for manufacturing micro capacitive ultrasonic transducer, which uses a mold with a particularly patterned surface to imprint into a flexible material thus forming the oscillation cavities of the ultrasonic transduce... | 10/21/2008 |
| 7416984 | Method of producing a MEMS device A method of producing a MEMS device removes the bottom side of a device wafer after its movable structure is formed. To that end, the method provides the device wafer, which has an initial bottom side. Next, the method forms the movable structure on the device wafer... | 08/26/2008 |
| 7416674 | Method for fabricating micro optical elements using CMP A technique for fabricating the required surface shapes for micro optical elements, such as curved micro mirrors and lenses, starts with a simple, binary for example, approximation to the desired surface shape. Then polishing, e.g., chemical mechanical polishing (CM... | 08/26/2008 |
| 7410592 | Stamp for use in a lithographic process, method of manufacturing a stamp, and method of manufacturing a patterned layer on a substrate The stamp (10) for a lithographic process, such as patterning a surface layer, of the invention has a stamp body (5) with at least a first recess (11) formed therein, which recess defines a first aperture (15) in the printing face (3 | 08/12/2008 |
| 7410904 | Sensor produced using imprint lithography The disclosure relates to a process including depositing an imprintable layer on a substrate. The imprintable layer is imprinted into the pattern of an imprint-fabricated ribbon. The pattern from the imprintable layer is transferred to the substrate to be used to fa... | 08/12/2008 |
| 7402258 | Methods of removing metal contaminants from a component for a plasma processing apparatus Methods of removing metal contaminants from a component for a plasma processing apparatus are provided. The method includes cleaning a surface of the component with a cleaning liquid that includes at least one acid selected from oxalic acid, formic acid, acetic acid... | 07/22/2008 |
| 7402254 | Method and structure for producing Z-axis interconnection assembly of printed wiring board elements A method of forming a core for and forming a composite wiring board. The core has an electrically conductive coating on at least one face of a dielectric substrate. At least one opening is formed through the substrate extending from one face to the other and through... | 07/22/2008 |
| 7399422 | System and method for forming nanodisks used in imprint lithography and nanodisk and memory disk formed thereby A system and method form a nanodisk that can be used to form isolated data bits on a memory disk. The imprint stamp is formed from first and second overlapping patterns, where the patterns are selectively etched. The selective etching leaves either pits or posts on ... | 07/15/2008 |
| 7396475 | Method of forming stepped structures employing imprint lithography The present invention provides a method for forming a stepped structure on a substrate that features transferring, into the substrate, an inverse shape of the stepped structure disposed on the substrate. ... | 07/08/2008 |
| 7393457 | Method for making a shadow mask for an opposed discharge plasma display panel The present invention is to provide a method for making a shadow mask for an opposed discharge plasma display panel by etching one lateral surface of a metal slab to produce a plurality of parallel and equidistant barrier ribs along the vertical and horizontal direc... | 07/01/2008 |
| 7371507 | Methods for fabricating semiconductor devices Methods for fabricating semiconductor devices are disclosed. A disclosed method comprises: forming a conductive layer, depositing a interlayer dielectric layer, forming an anti-reflective coating layer on the interlayer dielectric layer, forming a photoresist patter... | 05/13/2008 |
| 7371067 | Simulation method for designing customized medical devices The invention provides a system for virtually designing a medical device conformed for use with a specific patient. Using the system, a three-dimensional geometric model of a patient-specific body cavity or lumen is reconstructed from scanned volume images such as o... | 05/13/2008 |
| 7361602 | CMP process A method of forming a polished semiconductor structure comprises polishing a surface of a semiconductor structure by chemical mechanical polishing. Pressure applied to the surface is reduced during the polishing, or a rotation rate of a polishing surface relative to... | 04/22/2008 |
| 7360851 | Automated pattern recognition of imprint technology An apparatus and method for control of spreading of liquid drops are disclosed. An initial pattern of drops of liquid is deposited on a first surface. A second surface is brought into sufficient contact with the initial pattern of the drops that the liquid starts to... | 04/22/2008 |
| 7354698 | Imprint lithography An imprinting method is disclosed which involves irradiating a photo-curable imprintable medium in a flowable state on a substrate with radiation to initiate curing of the medium, after the irradiating, contacting the medium with a template to form an imprint in the... | 04/08/2008 |
| 7350297 | Method of manufacturing a wiring substrate A first plating foundation layer is formed by printing on a front face of a sheet-shaped insulating substrate. By inserting a punch into the sheet-shaped insulating substrate having the first plating foundation layer, a through hole is formed while leaving a piece h... | 04/01/2008 |
| 7351660 | Process for producing high performance interconnects A method for fabricating high performance vertical and horizontal electrical connections in a three dimensional semiconductor structure. A dielectric film is imprinted with a stamp pattern at high vacuum and with precise temperature and stamping pressure control. Th... | 04/01/2008 |
| 7338614 | Vapor HF etch process mask and method A method of processing a semiconductor wafer provides a wafer, and then forms an organic mask on at least a portion of the wafer. The method then applies a vapor etching process to the wafer through holes in the organic mask. ... | 03/04/2008 |
| 7335452 | Substrate with plywood suppression The present disclosure provides photoreceptors and methods for fabricating photoreceptors. Photoreceptor device surfaces and fabrication methods have been designed to suppress a “plywood effect.” One method includes providing a substrate, rotating the substrate,... | 02/26/2008 |
| 7332099 | Ion bombardment of electrical lapping guides to decrease noise during lapping process A method for reducing noise in a lapping guide. Selected portions of a magnetoresistive device wafer are bombarded with ions such that a magnetoresistive effect of lapping guides is reduced. The device is lapped, using the lapping guides to measure an extent of the ... | 02/19/2008 |
| 7329361 | Method and apparatus for fabricating or altering microstructures using local chemical alterations A method and apparatus for fabricating or altering a microstructure use means for heating to facilitate a local chemical reaction that forms or alters the submicrostructure. ... | 02/12/2008 |
| 7308753 | Method of manufacturing slider of thin-film magnetic head A slider comprises a slider body and a head element. The slider body has an air bearing surface, an air inflow end and an air outflow end. The air bearing surface has: a first surface including two portions extending in a direction of air passage; a second surface i... | 12/18/2007 |
| 7297288 | Method and apparatus for the controlled formation of cavitation bubbles using target bubbles The present invention discloses a method and apparatus for the directed formation of a re-entrant micro-jet formed upon the collapse of a working cavitation bubble formed proximate to a work surface. A target bubble, formed between the work surface and the working c... | 11/20/2007 |
| 7277619 | Nano-imprinted photonic crystal waveguide This invention relates to a method for forming a nano-imprinted photonic crystal waveguide, comprising the steps of: preparing an optical film on a substrate; preparing a template having a plurality of protrusions of less than 500 nm in length such that the protrusi... | 10/02/2007 |
| 7268091 | Fiber mat and process for making same A fiber mat of improved wet web strength and a process of making same is disclosed. The fiber mat comprises fibers; a resinous fiber binder; and a vinylpyrrolidone/acrylic acid/lauryl methacrylate terpolymer. ... | 09/11/2007 |
| 7264742 | Method of planarizing a surface A method for removing at least a portion of a structure, such as a layer, film, or deposit, including ruthenium metal and/or ruthenium dioxide includes contacting the structure with a material including ceric ammonium nitrate. A material for removing ruthenium metal... | 09/04/2007 |
| 7261831 | Positive tone bi-layer imprint lithography method The present invention provides a method to pattern a substrate which features creating a multi-layered structure by forming, on the substrate, a patterned layer having protrusions and recessions. Formed upon the patterned layer is a conformal layer, with the multi-l... | 08/28/2007 |
| 7262851 | Method and apparatus for detecting relative positional deviation between two objects Disclosed is a method and apparatus for detecting a relative positional deviation between first and second objects. In one preferred form of the invention, the detecting method includes the steps of (i) providing the first and second objects with diffraction grating... | 08/28/2007 |
| 7258808 | High-power ball grid array package, heat spreader used in the BGA package and method for manufacturing the same A high-power BGA includes a printed circuit board with a through hole, connection pads formed on the bottom of the printed circuit board, matrix solder balls surrounding the through hole and adjacent to the connection pads, a heat spreader on the top surface of the ... | 08/21/2007 |
| 7255805 | Photonic structures, devices, and methods Photonic crystal structures are made by a method including steps of providing a substrate, depositing at least one planar layer to form a stack, each planar layer of the stack comprising two or more sublayers having different sublayer refractive indices, depositing ... | 08/14/2007 |
| 7252777 | Method of forming an in-situ recessed structure The present invention features a method of patterning a substrate that includes forming from a first material, disposed on the substrate, a first film having an original pattern that includes a plurality of projections. The projections extend from a nadir surface te... | 08/07/2007 |
| 7250114 | Methods of finishing quartz glass surfaces and components made by the methods Methods of surface finishing a component useful for a plasma processing apparatus are provided. The component includes at least one plasma-exposed quartz glass surface. The method includes mechanically polishing, chemically etching and cleaning the plasma-exposed su... | 07/31/2007 |
| 7241395 | Reverse tone patterning on surfaces having planarity perturbations The present invention features a method of patterning a substrate that includes forming, on the substrate, a first film having an original pattern that includes a plurality of projections a subset of which extends from a nadir surface terminating in an apex surface ... | 07/10/2007 |
