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8182313 Carriage arrangement for a machine tool  
A carriage arrangement for a machine tool, which can be adjusted similar to a compound slide, has an increased rigidity against a machining force being taken up by said arrangement in that...
8172644 Grinding machine and grinding method  
A grinding machine is provided with first and second grinding wheels selectively used in dependence on the steps of machining operations. The second grinding wheel is grooved so that at least one...
8172643 Polishing system having a track  
Embodiments described herein relate to a track system in a polishing system. One embodiment described herein provides a track system configured to transfer polishing heads in a polishing system....
8167682 Automatic constant pressure polishing apparatus for improving surface accuracy of lens  
Disclosed is an automatic constant pressure polishing apparatus. The automatic constant pressure polishing apparatus comprises a housing having a hollow section therein, a rubber pad installed in...
8162721 Surface grinding machine, spindle device and surface grinding method  
In through-feed grinding workpieces by grinding stones rotating around the axes of spindles, the spindles are tiltably held by elastic holding means around tilt axes substantially orthogonal to the...
8162722 Grindstone contact sensing method and its device, and honing method and honing machine  
A grindstone contact sensing technology capable of sensing the contact position of the honing grindstone with the inner circumference of the work at high precision. A servo motor for driving the...
8162720 Apparatus and method for polishing via driving abrasive grains mechanically and magnetically  
Disclosed is a polishing apparatus including a shell, a magnetic controller, an axle, a pusher, a ring, posts, and a stirring element. The shell includes a roof, a floor and a wall between the roof...
8152598 Substrate treating method and substrate treating apparatus  
A substrate treating method includes rotating a substrate in a circumferential direction and polishing a peripheral portion of the substrate by pressing a polishing member to it using a pressing...
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...
8147292 Device for polishing hard surfaces, especially glass surfaces  
The invention relates to a device for polishing hard surfaces, especially glass surfaces, said device comprising polishing system (5) provided with a replaceable polishing disk (6). Said polishing...
8145342 Methods and systems for adjusting operation of a wafer grinder using feedback from warp data  
Processing a wafer using a double side grinder having a pair of grinding wheels. Warp data is obtained by a warp measurement device for measuring warp of a wafer as ground by the double side...
8133093 Grinding apparatus having an extendable wheel mount  
A grinding machine wherein coarse and fine grind wheels are mounted to a single rotating spindle. A multiple grind wheel mount is attached to the lower portion of the rotating spindle, the coarse...
8128459 Polishing holder for workpiece end surface  
A holder for workpieces with end surfaces thereof being polished comprises a main body and a framework in which the main body is provided with a plurality of fixtures for holding the workpieces and...
8128458 Polishing apparatus and substrate processing method  
A polishing apparatus detects the escape of a substrate from a top ring during polishing. The polishing apparatus includes a polishing table having a polishing pad, a top ring, and a substrate...
8123594 Post shaving orbital system for blind bolt fasteners  
The system comprises a headstock (1) in which is established a rotary shaft (10) driven via a cone (8) that can be coupled to a drive means, for example a robot, the shaft (10) being linked to a...
8113913 Method for the simultaneous grinding of a plurality of semiconductor wafers  
Simultaneous double-side grinding of a plurality of semiconductor wafers involves positioning each wafer freely in a cutout of one of plural carriers which rotate on a cycloidal trajectory, wherein...
8109807 Method and apparatus for cleaning a jet engine  
An apparatus for cleaning a jet engine includes a supply device configured to make cleaning medium available, a nozzle device configured to introduce the cleaning medium into the jet engine, and a...
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...
8100741 Vibration device for a super finishing apparatus and an attachment tool comprising the vibration device  
A vibration device for a super finishing apparatus for super finishing a mechanical object is disclosed. It comprises at least two sliding means (1, 3), each comprising a guide (5, 7) and an...
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...
8096853 Pre- and post-process bore gaging using a honing feed system equipped with feed force sensing  
The method of the invention provides a capability for accurately and uniformly determining the sizes of bores of workpieces, both pre- and post-process, to improve process control, particularly...
8093853 Device-positioning pedestal and handler having the device-positioning pedestal  
A device-positioning pedestal capable of positioning devices of different sizes. The device-positioning pedestal comprises a plurality of guide members corresponding to the sides of the device and...
8083571 Polishing apparatus  
A polishing apparatus has a polishing pad, a top ring for holding a semiconductor wafer, and a vertical movement mechanism operable to move the top ring in a vertical, direction. The polishing...
8075371 Centerless grinder with servo motor  
Apparatus and method for converting a convention centerless grinding machine to a centerless grinding machine having a servo motor mounted inside the top slide using an internal servo motor...
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...
8070556 Grinding wheel for roll grinding and method of roll grinding  
A method of grinding a ferrous roll may include: rotating a grinding wheel on a machine spindle to form a rotating grinding wheel; rotating a ferrous roll to form a rotating roll surface; bringing...
8066548 Multi-axes contouring machine and method of use  
A multi-axes contouring machine for contouring a workpiece within a cavity of a main frame by moving a machining part along one or more axes simultaneously to the movement of the workpiece along...
8047897 Substrate flat grinding device  
To provide a high-rigidity flat grinding device, a substrate flat grinding device has three fastening plate lifting-and-lowering mechanisms that have kinematic couplings and a cylinder rod that...
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...
8043870 CMP pad thickness and profile monitoring system  
In one embodiment a method is provided for maintaining a substrate processing surface. The method generally includes performing a set of measurements on the substrate processing surface, wherein...
8038508 Apparatus for polishing a wafer and method for detecting a polishing end point by the same  
A wafer polishing apparatus includes a polishing tape extending between two guide rollers, a first surface of the polishing tape contacting a surface of a wafer to be polished, a polishing head...
8029335 Wafer processing method  
In a wafer processing method, rough grinding using a first grinding stone is divided into first and second steps. In the first step, a wafer is processed into a concave shape at a first transfer...
8029333 Device for polishing peripheral edge of semiconductor wafer  
A device for polishing the peripheral edge part of a semiconductor wafer includes a wafer stage for holding the wafer, a wafer stage unit including devices for rotating the wafer stage, causing the...
8029334 Device for modifying the position of the segments in the event of the inclination of a segmented grinding pad  
A device is described comprising: a segmented sanding pad having a plurality of segments, each segment having a longitudinal axis and corresponding to a respective contact roller having a...
8025554 Method of polishing work  
In the method of precisely polishing a work, torque of a sun gear and an internal gear are kept constant and a load applied to a carrier is reduced and maintained. The method comprises the steps...
7997954 Centerless grinding method  
To provide a centerless grinding method which facilitates a tooling change and enables automation. A blade 11 is disposed slidable along a first straight line 101, i.e., Y axis, a grinding wheel 7...
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)...
7997955 Method and apparatus for circumferential interior treatment of pipe elbows  
A method for the circumferential interior treatment of pipe elbows, including a step of positioning a working member within a pipe elbow and moving the working member along a portion of a length of...
7988531 Grinding machine  
Grinding machine with a machine bed, with a tool carriage that is linearly movable on the machine bed in a Y-axis, with a tool spindle, which is mounted in the tool carriage so as to rotate around...
7985122 Method of polishing a layer using a polishing pad  
A tool for forming a desired pattern on a polishing pad establishes a vibration that is coupled to the polishing pad. The vibration removes small portions of the polishing pad according to the...
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...
7976359 Polishing machine comprising a work chamber and a platform  
A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine fur...
7972196 Methods of crystallographically reorienting single crystal bodies  
A method of changing the crystallographic orientation of a single crystal body is disclosed that includes the steps of characterizing a crystallographic orientation of the single crystal body and...
7972197 Grinding machine for grinding of a gear  
The invention relates to a grinding machine for grinding of a gear or of a gear-like workpiece, which has a grinding worm (1) with a tooth-shaped profile (2), which consists at least partly from a...
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...
7967662 Apparatus for lapping sliders using axially deformable member  
An apparatus for lapping sliders comprises a rotatable lapping plate for lapping elements that are to be formed into sliders, a pushing force adjusting member that has an internal space therein and...
7963824 Method of grooving or counter-beveling the periphery of an ophthalmic lens  
A method for grooving or counter-beveling the periphery of an opthamalic lens in a grinding machine is provided. The grinding machine includes a lens support with a mechanism configured to rotate...
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.
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...
7942725 Polishing apparatus  
A polishing apparatus has a top ring configured to hold a semiconductor wafer on a substrate holding surface, and a pushser configured to deliver the semiconductor wafer to the top ring and receive...