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| Number | Title | Issue Date |
| 7438630 | Polishing method, polishing device, glass substrate for magnetic recording medium, and magnetic recording medium There are disclosed a polishing method and a polishing device in which cleaning of a glass substrate surface can be achieved to a high level. A glass substrate (MD substrate 1) in the shape of a circular disc having a circular hole in a center portion is poli... | 10/21/2008 |
| 7427227 | Method and apparatus for fluid polishing In a fluid polishing method for processing a fine aperture by slurry 7, the slurry is supplied from a cylinder 2a in a slurry flow rate target process until the flow rate increases to a target value of a slurry feed flow rate. When the flow rate... | 09/23/2008 |
| 7371685 | Low stress barrier layer removal Apparatus and methods of fabricating an interconnect in a dielectric material, such as by a damascene or dual damascene processes. In specific, with the use of a barrier layer, such as to contain copper-containing materials used in the fabrication of the interconnec... | 05/13/2008 |
| 7354526 | Processing method for glass substrate, processed glass product and stress applying apparatus A processing method for glass substrate of the present invention includes: applying heat and external force to a glass substrate and then cooling it down to thereby form a compression stressed part having a different etching rate from that of other parts with respec... | 04/08/2008 |
| 7323189 | Liquid and low melting coatings for stents A method for forming liquid coatings for medical devices such as stents and angioplasty balloons is provided. The liquid coatings can be made from biodegradable materials in liquid, low melting solid, or wax forms, which preferably degrade in the body without produc... | 01/29/2008 |
| 7311851 | Apparatus and method for reactive atom plasma processing for material deposition Reactive atom plasma processing can be used to shape, polish, planarize, and clean surfaces of difficult materials with minimal subsurface damage. The apparatus and methods use a plasma torch, such as a conventional ICP torch. The workpiece and plasma torch are move... | 12/25/2007 |
| 7291060 | Apparatus for screw-polishing with abrasive and method thereof The present invention is applied in the fields of precise transmission devices, bio-medical devices and military-use devices to polish a surface of an object by an abrasive carried by the rotating of a screw. ... | 11/06/2007 |
| 7276743 | Retaining ring with conductive portion A retaining ring for use with electrochemical mechanical processing is described. The retaining ring has a generally annular body formed with a conductive portion and a non-conductive portion. The non-conductive portion contacts the substrate during polishing. The c... | 10/02/2007 |
| 7261616 | Magnetorheological polishing devices and methods A method of polishing an object is disclosed. In one embodiment, the method comprises the steps of creating a polishing zone within a magnetorheological fluid; determining the characteristics of the contact between the object and the polishing zone necessary to poli... | 08/28/2007 |
| 7238086 | Surface finishing method for aluminum shapes by barrel polishing A surface finishing method for aluminum shapes by barrel polishing, wherein caps are mounted at both open ends of a hollow aluminum shape, and two aluminum shapes each mounted with the caps are set on two right and left holders so as not to interfere with each other... | 07/03/2007 |
| 7217173 | Apparatus micro lapping with abrasive for polishing precision screw and polishing method thereof The present invention is an apparatus for polishing a precision screw. The apparatus uses abrasive in a sealed container for polishing. Hence, the present invention can do precise polishing to obtain smooth surface of thread by removing tiny burrs with the abrasive.... | 05/15/2007 |
| 7210990 | Treatment apparatus for treating workpieces or groups of workpieces In order to provide a treatment apparatus for treating workpieces or groups of workpieces that are conveyed from an inlet to an outlet of the treatment apparatus, wherein the treatment apparatus comprises a plurality of treatment levels and with said treatment appar... | 05/01/2007 |
| 7153411 | Method for cleaning and polishing metallic alloys and articles cleaned or polished thereby A method of cleaning and polishing an alloy comprising at least one noble metal and at least one non-noble metal, the method including the steps of submerging said alloy in an electrolytic acidic bath comprising at least one chelating or complexing agent including s... | 12/26/2006 |
| 7144302 | Method for smoothing the surface of a gas turbine blade A surface of the gas turbine blade is smoothed by way of a drag finish process. A first ring-shaped container is filled with a liquid abrasive medium. A second container which is arranged next to the first container is filled with a second liquid abrasive medium. A ... | 12/05/2006 |
| 7140947 | Barrel polishing method and barrel polishing apparatus Barrel polishing is effected while causing a mass (M) consisting of work and media (polishing material) to rotation-flow by rotating a rotary disk installed in the bottom of a polishing tank by a drive motor. A load on the drive motor for the rotary disk is preset a... | 11/28/2006 |
| 7141062 | Longitudinally flexible stent An intravascular stent especially suited for implanting in curved arterial portions. The stent retains longitudinal flexibility after expansion. The stent is formed of intertwined meander patterns forming triangular cells. The triangular cells are adapted to provide... | 11/28/2006 |
| 7134939 | Method for reducing wear of mechanically interacting surfaces The invention is about reducing friction and wear and risk of seizure of mechanically interacting lubricated surfaces. A working surface of a mechanical piece engaged with another piece in relative sliding movement is processed for reduced friction. Two distinctly s... | 11/14/2006 |
| 7118464 | Apparatus for smoothing the surface of a gas turbine blade An abrasive device may include first ring-shaped container filled with a liquid abrasive medium. A second container may be arranged next to the first container and filled with a second liquid abrasive medium. A pivoting arm may be arranged between and above the cont... | 10/10/2006 |
| 7094131 | Microelectronic substrate having conductive material with blunt cornered apertures, and associated methods for removing conductive material A microelectronic substrate and method for removing conductive material from a microelectronic substrate. In one embodiment, the microelectronic substrate includes a conductive or semiconductive material with a recess having an initially sharp corner at the surface ... | 08/22/2006 |
| 7070481 | Polishing method, polishing device, glass substrate for magnetic recording medium, and magnetic recording medium There are disclosed a polishing method and a polishing device in which cleaning of a glass substrate surface can be achieved to a high level. A glass substrate (MD substrate 1) in the shape of a circular disc having a circular hole in a center portion is poli... | 07/04/2006 |
| 7063594 | Cutting edge honing process A method of honing a cutting edge of a rotary cutting tool comprising inserting the cutting tool into a liquid bath having an abrasive media therein such that at least the cutting edges are immersed, and providing a relative displacement of the cutting tool and the ... | 06/20/2006 |
| 7048613 | Polishing method In a method for the machine polishing of workpieces, the workpiece is immersed into a container filled with abrasive and is moved relative to the abrasive container. The workpiece is here moved up and down in the vertical direction, rotated about its own central axi... | 05/23/2006 |
| 7014533 | Method for smoothing the surface of a gas turbine blade A surface of the gas turbine blade is smoothed by way of a drag finish process. A first ring-shaped container is filled with a liquid abrasive medium. A second container which is arranged next to the first container is filled with a second liquid abrasive medium. A ... | 03/21/2006 |
| 6991526 | Control of removal profile in electrochemically assisted CMP Aspects of the invention generally provide a method and apparatus for polishing a substrate using electrochemical deposition techniques. In one aspect, an apparatus for polishing a substrate comprises a counter-electrode and a pad positioned between a substrate and ... | 01/31/2006 |
| 6962522 | Barrel polishing device A barrel polishing device for polishing a workpiece having a relatively complicated shape such as a vehicle wheel. The barrel polishing device comprises a polishing medium storage tank for storing polishing media, a base, a workpiece supporting shaft mounted on the ... | 11/08/2005 |
| 6960116 | Wheel polishing device A device for finishing workpieces, such as automobile wheels. The device includes a bowl assembly containing polishing media therein, and a drive assembly including a rotatable turret which carries the wheels thereon so that same are orbitally driven through the pol... | 11/01/2005 |
| 6918937 | Abrasive polishing composition The present invention is based on the practice of abrasive machining with no sealed working chamber by the employment of a visco-elastic abrasive medium, behaving predominantly as an elastic solid at the applied strain of the orbital working motion, and applying orb... | 07/19/2005 |
| 6899605 | Grinding machine The invention provides a grinding machine for grinding grinding material by means of grinding bodies or wheels, having at least one grinding unit and two parts rotatable relative thereto, which has a container for receiving grinding material and a rotary disk placed... | 05/31/2005 |
| 6887135 | Ball finishing apparatus and process An apparatus and process of surface finishing golf balls prior to painting is provided. The apparatus and process make use of nylon loops as a finishing material that is used to abrade the surface of adjacent moving golf balls. Optionally, the abrading process betwe... | 05/03/2005 |
| 6875086 | Surface planarization Embodiments of methods and apparatus in accordance with the present invention provide a chemical mechanical planarization (CMP) process that provides single or multiple polishing pads to have a different rotational velocity, applied pressure and oscillation frequenc... | 04/05/2005 |
| 6843260 | Vibrating abrasive cleaning apparatus and method This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by at least one electric motor specially fabricated to the cleaning container assembly mounted on a rigid square tubing frame on one side by compression springs, on the opp... | 01/18/2005 |
| 6821191 | Ball finishing process An apparatus and process of surface finishing golf balls prior to painting is provided. The apparatus and process make use of nylon loops as a finishing material that is used to abrade the surface of adjacent moving golf balls. Optionally, the abrading process betwe... | 11/23/2004 |
| 6814654 | Machine for drying, polishing and burnishing cutlery and metal tableware This invention concerns a machine for the drying, polishing and burnishing cutlery and other metal tableware. It consists of a tank suspended upon a base and moved by a vibrating device, having a treatment channel (15) designed to receive a drying material an... | 11/09/2004 |
| 6776688 | Real-time polishing pad stiffness-control using magnetically controllable fluid A method of CMP polishing of a semiconductor wafer is described that includes using a polishing pad on a platen/table with the polishing pad including a sub-pad containing pockets of magnetorheological fluid. The stiffness of the sub-pad is controlled by selectively... | 08/17/2004 |
| 6769961 | Chemical mechanical planarization (CMP) apparatus A chemical mechanical planarization (CMP) apparatus includes a bath of an aqueous solution. A first holder, which is configured to support a wafer, is disposed within the bath. A first spindle is configured to rotate the first holder. A second holder, which is rotat... | 08/03/2004 |
| 6764384 | System for the precision machining of rotationally symmetrical components An arrangement and method for precision machining of rotationally symmetrical, disk or ring-shaped components. The arrangement includes a container which is open at the top and mounted such that it is able to vibrate. An unbalanced rotor causes the container to vibr... | 07/20/2004 |
| 6758729 | Centrifugal barrel finishing apparatus A centrifugal barrel finishing apparatus centrifugally polishing, grinding or otherwise finishing workpieces includes a revolving member mounted on a first rotatable shaft so as to be rotated with the first shaft, a barrel mounted to be rotated about a second shaft,... | 07/06/2004 |
| 6729937 | Barrel-polishing apparatus There is disclosed a barrel-polishing apparatus comprising a polishing medium bath with polishing mediums received therein, a base, an arm mounted on the base, and a workpiece attachment device mounted on a distal end portion of the arm and adapted to attach a workp... | 05/04/2004 |
| 6692336 | Method for protecting underwater surfaces against pollution due to fouling, and brush and coating agent used therewith The invention relates to a method for protecting an underwater surface (3) against pollution due to fouling, in particular a metal surface, upon which a coating (4) is applied, whereby the coating (4), in the presence of water, is brushed or polished smoo... | 02/17/2004 |
| 6641465 | Polishing method, polishing device, glass substrate for magnetic recording medium, and magnetic recording medium There are disclosed a polishing method and a polishing device in which cleaning of a glass substrate surface can be achieved to a high level. A glass substrate (MD substrate 1) in the shape of a circular disc having a circular hole in a center portion is ... | 11/04/2003 |
