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| Number | Title | Issue Date |
| 8167685 | Method of manufacturing a perpendicular magnetic recording medium, a method of manufacturing a substrate for a perpendicular magnetic recording medium, and a medium and a substrate manufactured by the methods A method of manufacturing a perpendicular magnetic recording medium and a substrate for the medium are disclosed, in which abnormal protrusions on an underlayer made of a Ni—P alloy are automatically eliminated while maintaining a flat surface with high accuracy o... | 05/01/2012 |
| 8142259 | Grinding machine and method A grinding machine includes a holding table adapted to hold a workpiece, a grinding unit operative to grind the workpiece held on the holding piece, and a grinding unit transfer mechanism operative to shift the grinding unit in a direction coming close to or moving ... | 03/27/2012 |
| 8057281 | Methods of removing defects in surfaces Methods of abrading surfaces by rotationally reciprocating abrasive surfaces in contact with the surfaces, abrasive articles for use in rotationally reciprocating tools, and methods of removing defects in a surface, where the methods include sanding using a rotation... | 11/15/2011 |
| 7918713 | Tribological surface and lapping method and system therefor A conditioning process including the steps of: (a) providing a system including: (i) a workpiece having a metal working surface; (ii) a contact surface, disposed generally opposite the working surface, the contact surface including an organic, polymeric material and... | 04/05/2011 |
| 7892071 | Orthopaedic component manufacturing method and equipment A method of reducing the surface roughness of articulating surfaces of orthopaedic implants is provided. The method includes the steps of providing an abrasive particle providing a chemical including at least one of an oxidant, a corrosion inhibitor, a complexing ag... | 02/22/2011 |
| 7476145 | Method for producing a mirror from a titanium-based material, and a mirror made from such a material A method for producing a mirror (10) from a titanium-based material by using the technique of ultraprecision machining. The mirror produced using this method has both a shape accuracy and a surface roughness in the submicrometer region. The mirror (10)... | 01/13/2009 |
| 7442114 | Methods for silicon electrode assembly etch rate and etch uniformity recovery Methods for cleaning an electrode assembly, which can be used for etching a dielectric material in a plasma etching chamber after the cleaning, comprise polishing a silicon surface of the electrode assembly, preferably to remove black silicon contamination therefrom... | 10/28/2008 |
| 7431028 | Apparatus and method for slicing an ingot A method for slicing an ingot may improve nanotopography at a surface of a wafer. In the method, an ingot is sliced into a plurality of wafers via a slurry while slurry is supplied to a moving wire. A first wire to form a first slicing portion at the wafer firstly s... | 10/07/2008 |
| 7429209 | Method of polishing a glass substrate for use as an information recording medium An information recording medium glass substrate manufactured by polishing the surface of a raw material glass plate. The polishing is divided into two steps, a step for performing a first polishing process to roughly polish the surface of the raw material glass plat... | 09/30/2008 |
| 7367773 | Apparatus for combining or separating disk pairs simultaneously Various methods and apparatus are provided for merging and demerging pairs of disks. In one embodiment, pairs of merged disks are first separated and then transferred to separate cassettes such that all of the disks in the separate cassettes are oriented in the same... | 05/06/2008 |
| 7341502 | Methods and systems for planarizing workpieces, e.g., microelectronic workpieces Planarizing workpieces, e.g., microelectronic workpieces, can employ a process indicator which is adapted to change an optical property in response to a planarizing condition. This process indicator may, for example, change color in response to reaching a particular... | 03/11/2008 |
| 7338348 | Dust collection system for a belt sander An electrically powered belt sander comprising a housing, a dust flow path defined by the housing, a motor mounted in the housing at a first location and having an output shaft, a fan connectable to the motor output shaft and rotateably mounted in the housing at a s... | 03/04/2008 |
| 7322098 | Method of simultaneous two-disk processing of single-sided magnetic recording disks Various methods and apparatus for simultaneously processing two single-sided hard memory disks is provided. Disks are positioned in pairs, with one surface of one disk positioned adjacent one surface of the second disk, with the disk surfaces touching or with a slig... | 01/29/2008 |
| 7267602 | Seal assembly manufacturing methods Finishing a seal assembly as a unit is proposed, which prevents alignment of the end gaps of the annular body and the annular ring of the seal assembly, provides the ability to manufacture the seal assembly to very low tolerances, and establishes virtually perfect p... | 09/11/2007 |
| 7260887 | Apparatus for controlling the lapping of a slider based on an amplitude of a readback signal produced from an externally applied magnetic field The lapping of a slider is controlled based on an amplitude of a readback signal which is produced from an externally applied magnetic field. A lapping plate is used to lap a slider which includes at least one magnetic head having a read sensor. During the lapping, ... | 08/28/2007 |
| 7258833 | High-energy cascading of abrasive wear components In accordance with the present invention, a method for manufacturing tungsten carbide components is provided. The method includes forming a composite material out of tungsten carbide powder and binder powder, pressing the composite material into a plurality of compo... | 08/21/2007 |
| 7238085 | Method and apparatus to process substrates with megasonic energy A variety of techniques may be employed, alone or in combination, to enhance contact between a processed substrate and applied megasonic energy. In accordance with one embodiment of the new invention, the vibration plate is brought into intimate contact with one sur... | 07/03/2007 |
| 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 |
| 7201636 | Chemical mechanical polishing a substrate having a filler layer and a stop layer A substrate is chemical mechanical polished with a high-selectivity slurry until the stop layer is at least partially exposed, and then the substrate is polished with a low-selectivity slurry until the stop layer is completely exposed. ... | 04/10/2007 |
| 7189240 | Method and apparatus for spinal procedures A method of treating spinal stenosis, in which a rasp is brought through a part of a spinal channel and then axially moved so that the rasp removes a stenosis in the spinal channel. Optionally, a shield protects a spinal cord or other sensitive tissues in the spinal... | 03/13/2007 |
| 7186165 | Apparatus and method for sequentially polishing and loading/unloading semiconductor wafers A chemical mechanical polishing (CMP) apparatus and method for polishing semiconductor wafers utilizes multiple wafer carriers that are transferred to different positions about a polishing pad to polish at least one semiconductor wafer while another semiconductor wa... | 03/06/2007 |
| 7180709 | Information-storage media with dissimilar outer diameter and/or inner diameter chamfer designs on two sides A single-sided magnetic hard disk 200 is provided that includes opposing first and second sides 300 and 308 having opposing first and second chamfers 408 and 412, respectively. The first chamfer 408 is dissimilar (or differe... | 02/20/2007 |
| 7168153 | Method for manufacturing single-sided hard memory disks Various apparatus and methods are provided for positioning and handling single-sided hard memory disks. A disk carrier is provided with ribs formed on the inside surface of opposing side walls. The ribs form disk receiving grooves or channels. The ribs further compr... | 01/30/2007 |
| 7165308 | Dual disk transport mechanism processing two disks tilted toward each other Various apparatus and methods are provided for handling and transporting pairs of gap merge disks. A transfer member is provided in one embodiment which engages the outer perimeter of a pair of disks at three locations. The transfer member is configured to induce an... | 01/23/2007 |
| 7165462 | Individual slider testing Systems and methods of testing individual sliders are disclosed. One embodiment is a test system that includes a mechanical stress system, a quasi-static measurement system, a transport system, and a slider holder. The individual sliders to be tested are aligned in ... | 01/23/2007 |
| 7163448 | Chemical/mechanical polishing method for STI A chemical/mechanical polishing method for polishing an object to be polished with an irregular surface, having a substrate with convexities and concavities, a stopper layer formed on the convexities of the substrate, and an embedded insulating layer formed to cover... | 01/16/2007 |
| 7160574 | Barrier coating corrosion control methods and systems for interior piping systems Methods and systems for cleaning and providing barrier coatings to interior walls of piping systems. An entire piping system can be cleaned in one single pass by dry particulates forced by air and the piping system coated in one single pass. Pipes can be protected f... | 01/09/2007 |
| 7153197 | Method for achieving uniform CU CMP polishing A method for removing a metal oxide overlayer over a target polishing surface in conjunction with a chemical mechanical polishing (CMP) process to improve polishing uniformity including providing a substrate target polishing surface having a layer of an oxide of a m... | 12/26/2006 |
| 7144304 | Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface A method and apparatus for planarizing a microelectronic substrate. In one embodiment, the apparatus can include an elongated, non-continuous polishing pad oriented at an angle relative to the horizontal to allow planarizing liquids and materials removed from the mi... | 12/05/2006 |
| 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 |
| 7144301 | Method and system for planarizing integrated circuit material For planarizing an IC (integrate circuit) material, a first slurry is dispensed for a first planarization of the IC material using the first slurry, and a second slurry is dispensed for a second planarization of the IC material using the second slurry. The first and... | 12/05/2006 |
| 7135396 | Method of making a semiconductor structure Methods of making a semiconductor structure are disclosed. A refractory metal layer containing W, TiW, Ta, or TaN and semiconductor layer are formed on a substrate that contains copper in, for example, a via therein. A portion of the refractory metal layer and semic... | 11/14/2006 |
| 7134940 | Data storage splitter An apparatus is provided for destroying or disabling an information or data storage device comprising a first layer and a second layer bonded together. A mechanical device or energy form is inserted into the information or data storage device to cause the first and ... | 11/14/2006 |
| 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 |
| 7118458 | Method for polishing silicon carbide crystal substrate A method for polishing a silicon carbide crystal substrate according to the present invention includes a polishing process of polishing a silicon carbide crystal substrate having a surface roughness Rz of at most 50 μm, using an abrasive solution containing abrasiv... | 10/10/2006 |
| 7104867 | Apparatus and method for sequentially polishing and loading/unloading semiconductor wafers A chemical mechanical polishing (CMP) apparatus and method for polishing semiconductor wafers utilizes multiple wafer carriers that are transferred to different positions about a polishing pad to polish at least one semiconductor wafer while another semiconductor wa... | 09/12/2006 |
| 7101260 | Methods for resist stripping and other processes for cleaning surfaces substantially free of contaminants A method for manufacturing an article where the article has polymeric residue that is to be removed during the manufacture of the article. The article is introduced into a controlled environment of a processing tool that has at least first and second processing cham... | 09/05/2006 |
| 7086934 | Method for treating surfaces of rare earth metal-based permanent magnets A process for treating surfaces of rare earth metal-based permanent magnets, comprising removing an oxide layer formed on a surface of each of the permanent magnets using a blasting apparatus. The apparatus comprises a tubular barrel formed of a mesh net for accommo... | 08/08/2006 |
| 7083871 | Single-sided sputtered magnetic recording disks An information-storage media is provided that includes: (a) a substrate disk 312 having first and second opposing surfaces; (b) a first selected layer 304 on the first surface, the first selected sele... | 08/01/2006 |
| 7083376 | Automated merge nest for pairs of magnetic storage disks Various methods and apparatus for handling a plurality of disks and repositioning them into pairs is provided. In one embodiment, a nest is configured to hold a cassette and includes a nest. The nest includes a curved surface with ribs or teeth extending therefrom w... | 08/01/2006 |
