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7530878 |
Grinding machine with a concentricity correction system
A tool grinding machine has a machine control unit, which by means of a suitable measuring device, which for instance comprises a tracer ( 9 ) and a measuring module, first determines the wobble...
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7530881 |
Eccentric stroke adjusting mechanism
The present invention relates to an eccentric stroke adjusting mechanism for use in a power tool with a principle drive shaft comprising a first and a second eccentric member mounted on the...
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7530886 |
Non-glazing dressing wheel
A non-glazing dressing wheel ( 10 ) suitable for dressing a grinding wheel surface to be used for maintaining a certain tolerance to assure reliability and quality control of ground parts during...
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7530885 |
Pneumatic grinder with improved handle structure
A pneumatic grinder with improved handle structure comprising a driving portion, a connecting portion, and a grinding portion wherein the connecting portion has a handle fixing portion at one side...
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7530879 |
Apparatus for reworking a steel edge of a ski
An apparatus is described for reworking a steel edge of a ski ( 1 ), comprising at least one grinding apparatus ( 16 ) made of a cup-like grinding wheel ( 18 ) which is driven by a motor ( 17 ) and...
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7530884 |
System and method for duplicating keys
A key duplication system employs a modular key duplication attachment in combination with a high-speed, rotary powered tool and a profiled abrasive cutter. The attachment comprises a base, a...
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7530880 |
Method and apparatus for improved chemical mechanical planarization pad with pressure control and process monitor
A pad for CMP operations includes a guide plate having a plurality of holes therein and being affixed to a compressible under-layer; and a plurality of pressure-sensing and process monitoring...
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7530883 |
Fixture for grinding machines
A fixture for grinding machines includes a first base ( 10 ), a second base ( 20 ) and a driving component ( 40 ). The first base defines a first working groove ( 11 ) therein. The second base...
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7530159 |
Method of distortion correction in shrink processes for fabrication of write poles
A method is presented for fabricating a write pole for a magnetic recording head, wherein a photoresist layer is formed on a wafer stack. A target P 2 pole configuration is provided, and a...
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7530690 |
Centering and blocking device for an ophthalmic spectacles lens, an automatic detection method, and associated manual centering methods
The device includes receiver elements ( 121, 114 ) for receiving the ophthalmic lens; on either side of the receiver elements, firstly lighting elements (S) for illuminating the ophthalmic lens (...
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7527662 |
Abrasive body and method of manufacturing the same
An abrasive body for polishing includes a resin structure made of resin and a plurality of abrasive grains wherein a critical surface tension of the resin ranges from 1.6×10 −2 to 4.0×10 −2 ...
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7527545 |
Methods and tools for controlling the removal of material from microfeature workpieces
Methods and apparatus for controlling the removal of material from microfeature workpieces in abrasive removal processes. An embodiment of such a method comprises irradiating a periodic structure...
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7527050 |
Method for fabricating multi-layer, hub-less blade
An abrasive cutting blade is provided to achieve high-quality surface finishes at high feed rates. The blade is fabricated by electroplating fine abrasive onto a steel cathode disc to form a first...
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7528922 |
Apparatus and method for measuring ground amounts of liquid crystal display panel
An apparatus for measuring ground amounts of a liquid crystal display panel includes a grinding unit for grinding upper and lower marginal portions of a unit liquid crystal display panel, a first...
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7527546 |
Viscoelastic polisher and polishing method using the same
A viscoelastic polisher to be used for polishing. The viscoelastic polisher includes a viscoelastic layer provided on a major surface of a base disk and having a hole of a predetermined radius...
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7527544 |
System of using offset gage for CMP polishing pad alignment and adjustment
A method and system are provided using an offset dial gage for alignment and adjustment of a polishing pad that has been attached to a turntable of a chemical mechanical polishing (CMP) device. In...
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7527547 |
Wafer processing method
A method of processing a wafer having a device area in which a plurality of devise are formed and a peripheral excess area surrounding the device area on the front surface, comprising an annular...
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7527271 |
Fast substrate loading on polishing head without membrane inflation step
The present invention relates to an apparatus and method for improving and speeding up substrate loading process. One embodiment provides a method for vacuum chucking a substrate. The method...
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7526866 |
Variable dust chute for circular saws
The present invention is directed to a hand-held circular saw with an integrated dust collection system. Such saw may include an upper blade guard for protecting the user from a saw blade, the...
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7527377 |
Method for manually centering an ophthalmic lens in a centering/blocking device and associated centering/blocking device
Method of manually centering an ophthalmic lens, includes:
a) acquiring and storing the shadow of a predetermined geometrical figure formed on a transparent support interposed between...
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7527548 |
System and method for precision machining of high hardness gear teeth and splines
A gear shaper machine system drives and maneuvers a hone tool to generate teeth geometry in a manner the teeth were machined prior to a hardening process. After heat treatment, the hone tool is...
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7523543 |
Methods of forming magnetic memory devices including ferromagnetic spacers
A magnetic memory device may include a digit line on a substrate, a first insulating layer on the digit line, and a magnetic tunnel junction memory cell on the first insulating layer so that the...
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7524232 |
Workpiece centering apparatus and method of centering workpiece
The workpiece centering apparatus is capable of highly reducing damage of a workpiece. The workpiece centering apparatus comprises: a guide plate being provided in a tray and covering a water inlet...
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7524235 |
Method of eliminating surface stress of silicon wafer
This invention provides a method for eliminating the surface stress of a silicon wafer comprising forming one or more anti-stress groove(s) on the surface of the silicon wafer. These anti-stress...
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7524239 |
Electric hand tool—in particular an angle sander/grinder
The invention relates to an electrical hand tool device, in particular an angle grinder with a machine housing for holding a motor for the rotating drive of a drive shaft and a driven shaft...
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7524233 |
Tool for using a particulate media/fluid mixture
A nozzle assembly for a tool which utilizes a particulate/fluid mixture comprises a unique floating ferrule within a handpiece assembly, and eliminates the need, in the prior art, for a nose piece...
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7524236 |
Sharpener accessory and methods relating to same
A tool sharpener accessory having a base mounted on a support, a pivoting member pivotally mounted on the base and pivoting in at least a seesaw motion relative to the base, the pivoting ember...
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7524238 |
Method of processing antifriction bearing unit for wheel
A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for...
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7520797 |
Platen endpoint window with pressure relief
A polish pad ( 40, 42 ) and platen ( 50 ) assembly for use in chemical mechanical polishing of semiconductor devices includes a platen ( 50 ) having a vented endpoint window ( 62, 72, 82 ) with one...
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7520800 |
Raised island abrasive, lapping apparatus and method of use
Flexible abrasive sheet materials having annular bands of precise height flat-topped raised island structures that are coated with a mono layer of abrasive particles or abrasive agglomerates,...
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7520796 |
Polishing pad with grooves to reduce slurry consumption
A chemical mechanical polishing pad having an annular polishing track and a concentric center O. The polishing pad includes a polishing layer having a plurality of pad grooves formed therein. The...
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7520276 |
Portable working machine
A portable working machine comprising a tool unit ( 1 ) with a disc guard and a circular tool ( 3 ), and a machine unit ( 2 ) with a filter system ( 10 ), an internal combustion engine ( 11 ) with...
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7520955 |
Carrier head with a multilayer retaining ring for chemical mechanical polishing
A carrier head for a chemical mechanical polishing apparatus includes a retaining ring having a flexible lower portion and a rigid upper portion.
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7520039 |
Method for the post-treatment of deformed high-grade steel blanks
A method for post-treatment of single high-grade steel blanks produced from deep-drawable circles or sections of high-grade steel by deep-drawing, pressing, rolling and deformation. According to...
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7520968 |
Conductive pad design modification for better wafer-pad contact
An apparatus and method for manufacturing and refurbishing a conductive polishing pad assembly for performing an electrochemical process on a substrate is disclosed. The conductive polishing pad...
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7520799 |
Protective cover for a hand-held cut-off machine
A protective cover of a hand-held cut-off machine has a cover member having an interior. At least two injection nozzles for spraying a cooling liquid into the interior are arranged on the cover...
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7520795 |
Grooved retaining ring
A retaining ring for chemical mechanical polishing is described. The ring has a bottom surface with non-intersecting grooves. Alternating grooves are at opposing angles to one another.
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7520048 |
Method of fabricating a GMR head
A giant magnetoresistive (GMR) head is formed to include a recess in an overcoat layer that reduces stress on the poles. The process includes depositing a seed layer over the overcoat layer prior...
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7516527 |
Method of repairing a worn skid plate on a circular saw
A repair assembly for the skid plate of a circular saw and its associated method of repair. If a circular saw has a skid plate that is worn to a point where it needs replacement, this repair...
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7517276 |
Power tool
A power tool has a handle holder portion having a semispherically bulging outer circumference, and an arm portion enclosing the handle holder portion and having a semispherically recessed inner...
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7517275 |
Apparatus for precision steeling/conditioning of knife edges
A multi-stage sharpener includes at least one motor driven abrasive sharpening stage and one non-motor driven conditioning stage. The conditioning stage has a non-abrasive hardened surface and at...
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7519448 |
Method for determining position of semiconductor wafer, and apparatus using the same
A light source emits light toward a semiconductor wafer, and a light receiving sensor detects light passing a peripheral edge of the semiconductor wafer. Each coordinates of the peripheral edge of...
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7517274 |
Mirror image pair sanding blocks
A right handed or left handed sanding block can be provided individually or as a mirror image pair. Each block includes a grasp handle and a fastening surface engaging a replaceable sanding pad....
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7517409 |
Barrier coating corrosion control methods and systems for interior piping systems
Methods and systems for providing cleaning and providing barrier coatings to interior wall surfaces of small diameter metal and composite piping systems in buildings. An entire piping system can be...
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7517277 |
Layered-filament lattice for chemical mechanical polishing
The polishing pad ( 104 ) is useful for polishing at least one of a magnetic, optical and semiconductor substrate ( 112 ) in the presence of a polishing medium ( 120 ). The polishing pad 104 ...
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7513820 |
Method and apparatus for producing micro-texture on a slider substrate using chemical and mechanical polishing techniques
A system and method for producing micro-texture on a slider substrate using chemical & mechanical polishing techniques is described. In certain embodiments of the present invention, this is...
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7514016 |
Methodology of chemical mechanical nanogrinding for ultra precision finishing of workpieces
A chemical-mechanical nanogrinding process achieves near-zero pole tip recession (PTR) to minimize magnetic space loss of the head transducer to media spacing loss, alumina recession and trailing...
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7513819 |
Polishing apparatus and method
There are provided a polishing apparatus and a polishing method capable of performing polishing a work (such as a wafer) with high efficiency and high precision, a novel work holding plate...
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7513818 |
Polishing endpoint detection system and method using friction sensor
A system, method and apparatus to monitor a frictional coefficient of a substrate undergoing polishing is described. A polishing pad assembly includes a polishing layer including a polishing...
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7510461 |
Grinding jig set and grinding method
A method for grinding a number of objects includes a series of steps from arranging the objects to be ground on a grinding jig (a master plate) through removing the ground objects from the grinding...
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