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| Number | Title | Issue Date |
| 8172640 | Eyeglass lens processing apparatus An eyeglass lens processing apparatus includes: a processing apparatus body for processing a lens, which includes a grinding water supply unit for ejecting grinding water to a portion to be processed of the lens; a centrifugal separator which separates processing re... | 05/08/2012 |
| 8167680 | Method and a device for edging an ophthalmic lens for machining the edge face of the lens to a desired curve A method and device for edging an ophthalmic lens, includes turning the lens about a first axis of rotation and working on the edge face of the lens with a beveling grindwheel or cutter having a beveling groove or chamfer and mounted to rotate about a second axis of... | 05/01/2012 |
| 8162719 | Method and device for processing lens The optical surface of a lens (21) held and rotated by the rotating shaft (12) of a lathe is cut or ground into an aspherical surface from a direction perpendicular to the axis of the rotating shaft (12) and the axial direction of the rotating s... | 04/24/2012 |
| 8157613 | Tire uniformity machine grinding assembly A grinding assembly contacts a tire supported by a frame relative to the tire. The grinding assembly includes at least one section, and an axial positioning assembly supporting the at least one section. The axial positioning assembly enables the at least one section... | 04/17/2012 |
| 8152595 | System and method for optical endpoint detection during CMP by using an across-substrate signal In a polishing process, the characteristics of the removal process may be monitored at different lateral positions to identify the clearance of the various device regions with a high degree of reliability. Consequently, upon forming sophisticated metallization struc... | 04/10/2012 |
| 8152594 | Polishing apparatus A polishing apparatus is used for polishing a substrate such as a semiconductor wafer to a flat mirror finish. The polishing apparatus includes a polishing table having a polishing surface, a top ring configured to hold and press the substrate against the polishing ... | 04/10/2012 |
| 8142257 | Detecting device for abnormal workpiece rotation in non-circular workpiece grinding machine In a non-circular workpiece grinding machine, a proximity sensor is arranged to face a non-circular portion of a workpiece for sensing a maximum diameter portion of the non-circular portion to detect that the maximum diameter portion is rotating in a detection phase... | 03/27/2012 |
| 8133092 | System and method for improved hand tool operation Systems and methods for improved operation of hand tools are disclosed. Sensors may be configured to monitor one or more operational parameters of a hand tool and collected data may be communicated to the hand tool operator. The data may be compared to predetermined... | 03/13/2012 |
| 8113912 | Eyeglass lens processing apparatus An eyeglass lens processing apparatus includes: a processing chamber for processing the lens; a grinding water supply unit which includes a first switch unit for turning on/off a supply of grinding water to a first nozzle for ejecting grinding water toward a process... | 02/14/2012 |
| 8100738 | Grinding machine and method for grinding work pieces between centers and for centerless grinding in which the work piece can be supported between a grinding wheel, and a regulating wheel either between centers on a work piece axis or on a rest for centerless grinding A grinding machine for grinding work pieces between centers, as well as for centerless grinding, features a drive for a grinding wheel and a drive for a regulating wheel. The work piece can be supported between the grinding wheel and the regulating wheel either betw... | 01/24/2012 |
| 8100739 | Substrate holding apparatus, polishing apparatus, and polishing method A substrate holding apparatus prevents a substrate from slipping out and allows the substrate to be polished stably. The substrate holding apparatus has a top ring body for holding and pressing a substrate against a polishing surface, and a retainer ring for pressin... | 01/24/2012 |
| 8100740 | Corner saw A cutting apparatus for cutting corner pieces formed of stone or other materials for use as building faces or for cutting flat pieces is disclosed herein. The cutting apparatus includes a frame with a first and a second conveyor operatively attached to the frame. Th... | 01/24/2012 |
| 8096852 | In-situ performance prediction of pad conditioning disk by closed loop torque monitoring Polishing pads used in CMP machines are consumable components that are typically replaced after a specific number of wafers have been processed. The life of a polishing pad is optimized by controlling the rate of material removal from the polishing pad by the condit... | 01/17/2012 |
| 8070555 | Visual feedback for airfoil polishing A visual feedback system and method for airfoil polishing is disclosed. In one aspect there is a system for providing visual feedback during a polishing operation of a workpiece. In this system there is a model having a representation of a desired shape of the workp... | 12/06/2011 |
| 8070554 | Distributed shunt structure for lapping of current perpendicular plane (CPP) heads An apparatus and method for lapping and fabricating a read/write head is described. The lapping method includes performing a first lapping process on a structure having the read/write head fabricated therein. The first lapping process is for reducing a first resisti... | 12/06/2011 |
| 8066547 | Bridge row tool A lapping row tool comprising a plurality of bending nodes having a space between adjacent ones of said nodes and each of which has an end surface to manipulate a row of magnetic heads during lapping. A bridge extends along the end surfaces of the bending nodes and ... | 11/29/2011 |
| 8052504 | Method, apparatus and system for use in processing wafers The present embodiment provides for methods and systems for use in processing objects such as wafers, including polishing and/or grinding wafers. Some embodiments provide systems that include a front-end module and a processing module. The front end module couples w... | 11/08/2011 |
| 8047894 | Apparatus for evaluating the quality of a lapping plate Embodiments of the present invention pertain to a evaluating the quality of a lapping plate. In one embodiment, an information receiver receives information while the lapping plate is being used to lap a slider. The information indicates the quality of a lapping pla... | 11/01/2011 |
| 8038507 | Eyeglass lens processing apparatus An eyeglass lens processing apparatus includes: an edge position detector which detects front and rear edge positions of an eyeglass lens based on target lens shape data; a bevel locus setting unit which includes: a) a provisional bevel locus calculator which obtain... | 10/18/2011 |
| 8033893 | Grinding method of a disk-shaped substrate and grinding apparatus The grinding method of a disk-shaped substrate that grinds a disk-shaped substrate including a portion having a hole at the center thereof while rotating the disk-shaped substrate is provided with: grinding an inner circumference of the disk-shaped substrate while a... | 10/11/2011 |
| 8025553 | Back grinding method for wafer A back grinding method for a wafer includes covering a face-side surface of the wafer with a resin film, and cutting the surface of the resin film to form a flat surface parallel to the face-side surface of the wafer. The wafer is held with the surface of the resin ... | 09/27/2011 |
| 8007344 | Eyeglass lens processing apparatus An eyeglass lens processing apparatus comprising: an edge position measuring unit for measuring an edge position of the lens; a moving unit that moves a feeler with respect to the lens chuck shaft; and ... | 08/30/2011 |
| 8002607 | Polishing apparatus and polishing method A polishing apparatus is provided for polishing wafers at a high yield rate even if roll-off exists. The polishing apparatus polishes a wafer by applying a pressure between a polishing member (polishing pad) 201 and the wafer held by a holding member (top rin... | 08/23/2011 |
| 7997953 | Precision machining method A precision machining method enabling grinding with high accuracy is provided. The method includes a first step of producing an intermediate ground workpiece by roughly grinding a workpiece (a) with a diamond grinding wheel (b), and a second step of producing a fina... | 08/16/2011 |
| 7988528 | Apparatus and method for grinding threaded portion of workpiece An apparatus for grinding a threaded portion of a workpiece, is provided. The threaded portion has a spiral groove formed therein. The apparatus includes a motor, a grinding cord, a detector and a controller. The motor has a rotary portion for rotating the threaded ... | 08/02/2011 |
| 7985120 | Apparatus and method for grinding workpiece An apparatus and method for grinding a workpiece by rotating the workpiece about a rotational axis, rotating a cylindrical grinding wheel about a rotational axis being parallel to the rotational axis of the workpiece, moving the grinding wheel relative to the workpi... | 07/26/2011 |
| 7985119 | Blank for the production of a dental shaped body and method of producing said shaped body A blank and method for the production of dental shaped bodies in machining equipment having at least two tools located in the machining chamber of the machining equipment, including a corpus of tooth restoration material, from which the shaped body can be carved by ... | 07/26/2011 |
| 7980921 | Tile cutting tool and methods A tool and method for marking dimensions for cutting a tile include a platform with a front wall defining an x axis, a side wall defining a y axis, with the y axis being perpendicular to the x axis, and a front guideline defining an x′ axis parallel to the x axis.... | 07/19/2011 |
| 7980922 | Method and system for controlling chemical mechanical polishing by controllably moving a slurry outlet A system and a method of operating a chemical mechanical polishing (CMP) system comprises a slurry delivering unit configured for locally varying the supply of slurry while polishing the substrate. To this end, the slurry delivering unit may comprise at least one sl... | 07/19/2011 |
| 7980920 | Spectacle lens manufacturing method A manufacturing method of a spectacle lens improving a manufacturing yield and a production efficiency is provided. The manufacturing method of the spectacle lens in which necessary information for a frame machining of a spectacle lens (progressive-power lens... | 07/19/2011 |
| 7976358 | Polishing apparatus and polishing method A polishing apparatus polishes wafers at a high yield rate even if roll-off exists. The polishing apparatus polishes a wafer by applying a pressure between a polishing member (polishing pad) and the wafer held by a holding member (top ring) and moving the polishing ... | 07/12/2011 |
| 7972194 | Weld gun tip dressing A method for dressing a pair of weld gun tips on a weld gun controlled by a robot is disclosed. The method comprises the steps of: placing an alignment tool in a mounting head of a tip dresser tool, with the alignment tool including a central alignment bore having a... | 07/05/2011 |
| 7967660 | Polishing apparatus and polishing method A polishing apparatus is provided for polishing wafers at a high yield rate even if roll-off exists. The polishing apparatus polishes a wafer by applying a pressure between a polishing member (polishing pad) 201 and the wafer held by a holding member (top rin... | 06/28/2011 |
| 7967659 | Method of machining integral bladed rotors for a gas turbine engine A method of manufacturing an integral bladed rotor is disclosed. The method includes calculating a cutting path in an area of a blank between adjacent blade locations to approximate contours of adjacent blades. A cutter is plunged into the area at an initial angle a... | 06/28/2011 |
| 7959490 | Orthopaedic component manufacturing method and equipment A system for use in preparing an articulating surface of a component of an orthopaedic implant is provided. The system includes a magnetorheological polishing fluid including a carrier fluid and a plurality of particles suspendable in said carrier fluid. The system ... | 06/14/2011 |
| 7955159 | Machining of ceramic materials Milling strategies for machining dental ceramic materials are provided that reduce milling time while maintaining strength, accuracy and marginal integrity. ... | 06/07/2011 |
| 7950981 | Precision machining apparatus and precision machining method A precision machining apparatus is structured such that a feed-screw mechanism and an actuator are mounted on a second mount which supports a rotating device that rotates a wheel, and grinding is performed while appropriately adjusting the amount of movement of the ... | 05/31/2011 |
| 7934975 | Water jet stripping and recontouring of gas turbine buckets and blades A method for water jet stripping and recontouring of a coated article of manufacture is provided. The method includes dimensionally scanning the coated article and establishing a three-dimensional model for the coated article. The method further includes establishin... | 05/03/2011 |
| 7927182 | Polishing system with in-line and in-situ metrology A computer-implemented method for process control in chemical mechanical polishing in which an initial pre-polishing thickness of a substrate is measured at a metrology station, a parameter of an endpoint algorithm is determined from the initial thickness of the sub... | 04/19/2011 |
| 7927181 | Apparatus for removing material from microfeature workpieces Machines and systems for removing materials from microfeature workpieces using fixed-abrasive mediums. One embodiment of a method for removing material from a microfeature workpiece comprises rubbing the workpiece against a surface of a fixed-abrasive medium having ... | 04/19/2011 |
