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 |
| 8009374 | Programmable light beam shape altering device using programmable micromirrors A digital micromirror device (“DMD”) is used to alter the shape of light that is projected onto a stage. The DMD selectively reflects some light, thereby shaping the light that is projected onto the stage. The control for the alteration is controlled by an image... | 08/30/2011 |
| 7764452 | Method for manufacturing cemented lens, cemented lens and projector apparatus A cemented lens is produced by cementing a first lens having a concave surface with a second lens having a convex surface. The second lens is placed on the concave surface of the first lens to align the concave surface with the convex surface. Adhesive is dropped in... | 07/27/2010 |
| 7675698 | Fibrous micro-composite material Fibrous micro-composite materials are formed from micro fibers. The fibrous micro-composite materials are utilized as the basis for a new class of MEMS. In addition to simple fiber composites and microlaminates, fibrous hollow and/or solid braids, can be used in str... | 03/09/2010 |
| 7576934 | Groupwise corrected objective An objective and method of fabricating an objective, particularly a projection objective for microlithography, comprising a plurality of optical elements. In one example, the method comprises acts of determining groups of optically similar optical elements or surfac... | 08/18/2009 |
| 7570444 | Imaging optical system and image reading apparatus using the same Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical syste... | 08/04/2009 |
| 7515367 | Method of controlling a lighting device A digital micromirror device (“DMD”) is used to alter the shape of light that is projected onto a stage. The DMD selectively reflects some light, thereby shaping the light that is projected onto the stage. The control for the alteration is controlled by an image... | 04/07/2009 |
| 7440206 | Optical properties restoration apparatus, the restoration method, and an optical system used in the apparatus An optical properties restoration apparatus improves reliability and longevity of optical properties of an optical system, lying upon a vacuum boundary, by preventing, suppressing, or improving degradation of optical properties. The apparatus includes creating the n... | 10/21/2008 |
| 7437533 | Quantum information processing device and method Quantum information processing device includes resonator incorporating material containing physical systems, each of physical systems having at least four energy states, transition between two energy states of at least four energy states, and transition energy betwe... | 10/14/2008 |
| 7397603 | Deployable projection screen Embodiments of apparatuses, methods and systems for deployable projection screens are generally described herein. Other embodiments may be described and claimed. ... | 07/08/2008 |
| 7397620 | Image reading apparatus using image reading lens An image reading apparatus with an image reading lens configured to reduce a field curvature and a magnification error in the sub-scan direction, includes a photoelectric conversion element having picture elements arrayed in the main-scan direction, and an image rea... | 07/08/2008 |
| 7372627 | Holder for field glasses A holder for field glasses has a pair of substantially similar resilient receptacles that each has a main body with an open bottom and a narrower neck with an open top. A slot is located in each neck portion while a slit extends between each slot and its respective ... | 05/13/2008 |
| 7371993 | Method for laser micromachining A method of laser micro-machining a work piece, with a laser, including the steps of: locating the workpiece on a carrier forming a part of a transport system, the carrier can be displaced along a path parallel to an X-axis of the workpiece, a Y-axis lying transvers... | 05/13/2008 |
| 7371287 | Substrate handling system A substrate handling system and method in which an air chuck produces a film of air between the substrate and the air chuck, a magnetic chuck attracts the substrate to the air chuck, and an actuator subsystem moves the magnetic chuck closer to and away from the air ... | 05/13/2008 |
| 7372583 | Controlling a fabrication tool using support vector machine A fabrication tool can be controlled using a support vector machine. A profile model of the structure is obtained. The profile model is defined by profile parameters that characterize the geometric shape of the structure. A set of values for the profile parameters i... | 05/13/2008 |
| 7369228 | Compact spectrometer The present invention is directed to a spectrometer in which the electrical and optical components are connected to one another in a compact construction. A minimal expenditure on assembly and adjustment is achieved through a small quantity of individual parts. The ... | 05/06/2008 |
| 7362502 | Surface reflection type metallic screen and method of manufacturing the same A screen for displaying an image projected from a beam projector. The screen base is formed with an incombustible metal sheet having silver-white color for displaying an image projected from a light source with nature color. A polished surface is formed on the scree... | 04/22/2008 |
| 7352507 | Screen assembly A screen assembly is disclosed, wherein the screen assembly includes a frame including a screen retention section configured to receive and retain the screen, wherein the screen retention section includes a channel configured to receive an edge of the screen, and a ... | 04/01/2008 |
| 7348858 | Photonic diode An element for interacting with electromagnetic radiation is disclosed, including a first self-resonant body, a second self-resonant body, and a directional device interposed between the first self-resonant body and the second self-resonant body. The directional dev... | 03/25/2008 |
| 7339758 | Etching method, a substrate with a plurality of concave portions, a microlens substrate, a transmission screen and a rear projection An etching method is disclosed. The etching method includes the steps of: preparing a substrate 5; forming first and second films 61, 62 each having predetermined internal stress on the substrate so that the internal stresses of the first and second fi... | 03/04/2008 |
| 7334865 | Head cartridge and liquid ejection apparatus A head cartridge and a liquid ejection apparatus are provided in which cleaning performance of cleaning means is improved using a liquid absorbing force of a wiping member produced along with restoration of temporarily increased elastic displacement of the wiping me... | 02/26/2008 |
| 7327515 | Slide feeding unit for an automatic scanning microscope A slide feeding unit for a microscope includes a slide magazine having a base plate; a toothed rack secured to a magazine side wall; and slide guiding elements perpendicular to an open magazine side. The unit further includes a magazine moving mechanism having a mag... | 02/05/2008 |
| 7327523 | Optical element An optical element includes an airtight container having opposing first and second end face walls in a thickness direction, and side walls connecting the first and second end face walls; a first liquid sealed in the container and having polarity or conductivity; a s... | 02/05/2008 |
| 7325243 | Driving device for objective lens of optical pickup The present invention discloses an electromagnetic driving device for an object lens of an optical pickup. The electromagnetic driving device comprises an object lens, a lens bearing seat, a focusing coil, a tracking coil, an auxiliary magnetic device, a base, a plu... | 01/29/2008 |
| 7316381 | Articulated bearing supports for laser resonators In a bearing support (10) for a laser resonator, adjacent support sections (11a, 11b) are directly and undetachably connected to each other by an articulated deflectable joint (12). An additional vertical safety on the beari... | 01/08/2008 |
| 7315416 | Screen unit and projection type display apparatus A screen panel includes a rigid glass, a lenticular lens and a Fresnel lens laminated with each other, and the edges of the screen panel are sealed. An air evacuation path is formed between the lenses by wires inserted between the contact surfaces of the lenses, or ... | 01/01/2008 |
| 7313893 | Panel clip assembly for use with roof or wall panels A clip assembly secures standing seam skylight or roofing panels to substrates and allows for a full range of movements by the panels while eliminating or reducing frictional noises. The clip assembly may also be used with wall panel systems. The clip assembly inclu... | 01/01/2008 |
| 7304773 | Locking apparatus for a movable carry module A locking apparatus for a movable carry module, comprises a controller using to fix the movable carry module of an electric device. The controller has a movable locking shaft normality stretch in the movable carry module, and applies to fix the movable carry module.... | 12/04/2007 |
| 7299734 | Synchronously/synergeticly timed fuse procedure or process A synchronous or synergeticly timed fuse is installed into ordnance (bombs, artillery shells, depth charges etc.), the ordnance is delivered to a target area and a simultaneous (synchronous), or a synergetic (not neccessarily synchronous yet the energies add togethe... | 11/27/2007 |
| 7295353 | Movable locking device for a scanner and locking method for the same Embodiments of the claimed subject matter comprise a movable locking device for a scanner. In one embodiment, the movable locking device is used to affix a moving mechanical part inside a scanner, such as inside an optical chassis of the scanner. In this embodiment,... | 11/13/2007 |
| 7285744 | Method and apparatus for simultaneously heating materials A method and apparatus for simultaneously heating materials, in particular for welding plastic components, having an arbitrary shape of a flat heating contour by laser radiation is provided. The apparatus has, an appropriate optical arrangement that is used to conve... | 10/23/2007 |
| 7281807 | Positionable projection display devices Described herein are devices that provide projection-type video output in a portable and flexible design. The design includes a projection chamber, a base, and an interface that permits relative positioning between the projection chamber and base. The base maintains... | 10/16/2007 |
| 7276380 | Transparent liquid inspection apparatus, transparent liquid inspection method, and transparent liquid application method The present invention provides a transparent liquid inspection apparatus capable of identifying a boundary between a transparent liquid applied on a base material which provides a multi-piece product and the base material, and automatically inspecting an applied con... | 10/02/2007 |
| 7268922 | Chassis locking apparatus capable of being unlocked spontaneously A chassis locking apparatus capable of being unlocked spontaneously is used for fixing the chassis in a scanner. The locking apparatus includes a groove interlinking next to the electric socket, a push rod in the groove, and a revolving locking element. By means of ... | 09/11/2007 |
| 7265901 | Telescope mount having locator system and drive mechanism for locating objects and positioning telescope A portable altitude/azimuth telescope mount having an integral locator system with a magnetic encoder mechanism for facilitating location of astronomical objects and telescope positioning for observation thereof. A microprocessor receives signals from the encoder me... | 09/04/2007 |
| 7256648 | Variable feedback circuits and methods In one embodiment, the present invention includes a circuit comprising an amplifier having an input terminal, an output terminal, a positive supply voltage, and a negative supply voltage. The amplifier is configured to have a first gain. A variable feedback circuit ... | 08/14/2007 |
| 7253949 | Stereo microscope A stereo microscope includes two oculars mounted at one end of a housing and an objective lens mounted at an opposite end of the housing. Between the opposite ends of the housing is a rotatably mounted lens magnification changer with three series of bores extending ... | 08/07/2007 |
| 7253975 | Retainer, exposure apparatus, and device fabrication method A retainer for holding an optical element having three first grooves includes a first support member that supports the optical element through the first grooves, and a second support member that has three second grooves corresponding to the first grooves, and suppor... | 08/07/2007 |
| 7245438 | Broad band objective having improved lateral color performance A system and method for inspection is disclosed. The design generally employs as many as four design principles, including employing at least one lens from a relatively low dispersion glass, at least one additional lens from an additional material different from the... | 07/17/2007 |
| 7239450 | Method of determining lens materials for a projection exposure apparatus A method of determining materials of lenses contained in an optical system of a projection exposure apparatus is described. First, for each lens of a plurality of the lenses, a susceptibility factor KLT/LH is determined. This factor is a measure of the su... | 07/03/2007 |
| 7236287 | Pockels cell The invention relates to a pockels cell comprising two spaced-apart cubical RTP crystals that have a square cross section, are located one behind another, and are oriented towards each other so as to provide thermal compensation in the direction of radiation. Each o... | 06/26/2007 |