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WO/2017/011183A1 |
A device and method of breaking in a chemical mechanical planarization (CMP) polishing pad using multiple pad conditioners to break-in and maintain a condition of the polishing pad.
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WO/2016/164498A1 |
Diamond-containing articles such as composite materials shaped as some specific article, can be engineered such that bodies that contact the article only contact diamond. In an embodiment, the article may be in the form of equipment for ...
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WO/2016/146495A1 |
The invention relates to a method for grinding grooves or profiles on workpieces. The grooves are ground using a correspondingly profiled grinding wheel (5), the profile (6) of the grinding wheel (5) being crushed. According to the inven...
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WO/2016/111335A1 |
The present invention relates to a CMP device provided with a polishing pad surface property measuring device which measures the surface properties of a polishing pad used to polish a substrate. This CMP device is provided with: a polish...
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WO/2016/108836A1 |
A tool for sharpening a pulpstone surface comprises a body having a cylindrical engaging surface and an axis of rotation. The engaging surface of the tool has multiple circumferentially- alternating lands and spacer grooves configured to...
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WO/2016/077272A2 |
A sample grinder includes a base having a bowl and a rotating drive plate to operably support a grinding wheel. A head is configured to support a specimen holder and has a first drive for rotational drive of the specimen holder and a sec...
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WO/2016/076404A1 |
A method for manufacturing a magnetic disk substrate includes a polishing process for polishing both principal surfaces of the substrate by sandwiching the substrate between a pair of suede-type polishing pads, supplying a slurry contain...
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WO/2016/063457A1 |
The present invention is an index-type polishing device that is provided with a polishing head that is for holding a wafer, with a plurality of surface plates to which are stuck a polishing cloth that is for polishing the wafer, and with...
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WO/2016/058575A1 |
The invention relates to a centerless grinding machine for grinding round, cylindrical workpieces, comprising a grinding wheel having a rotational axis, a regulating wheel, having a rotational axis, for pressing the workpiece against the...
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WO/2016/058979A1 |
The invention relates to a method for dressing a honing tool (20) using a dressing tool (21, 21') which rolls at a cross-axes angle (Σ) with the honing tool (20) during the dressing process. Each of the honing tool teeth (22), which mes...
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WO/2016/051121A1 |
There is described a method, apparatus and shaping tool for shaping a workpiece. The tool comprises a flexible support surface on which are mounted a number of rigid pellets (84) carrying abrasive material. The tool is driven, in contact...
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WO/2016/013101A1 |
A robot motion control unit (7) of this dressing control system (1) moves a polishing tool (5) in a direction approaching a dressing surface (9a) or a positioning surface (10) while in a first orientation wherein a tool rotary shaft of t...
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WO/2016/013588A1 |
In a single-crystal diamond (20), groups of crystal defect points (20dp), which are points where distal ends of crystal defect lines (20dq) indicating lines where crystal defects (20d) are present reach a principal crystal growth face (2...
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WO/2015/198670A1 |
This gear crowning method includes: an inverted crown dressing process wherein a first inverted crown (6b) and a second inverted crown (6c) are formed side by side on a honing stone (6) by means of a double dressing gear (5) which is for...
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WO/2015/182826A1 |
Disclosed is a method for manufacturing a helical carrier for an automatic parking brake system using side-extrusion type of cold forging, the method comprising: a helical gear manufacturing step (S100) for manufacturing a helical gear (...
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WO/2015/154925A1 |
Disclosed is a method for dressing a single- or multi-thread grinding worm (34) in which a main rolling movement between the grinding worm and a gear-like dressing tool (90) is brought about. In order to create flank modifications on the...
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WO/2015/086544A1 |
A method of processing a super-hard material product (100) having a Vickers hardness of no less than 2000 kg/mm2, the method comprising: mounting the super-hard material product (100) with a surface of the super-hard material product (10...
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WO/2015/083647A1 |
The purpose of the present invention is to obtain a whetting machine that is small and allows a worker to safely carry out whetting. As shown in fig. 1(b), a slit (131) that is narrow and long in the front-rear direction is provided in a...
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WO/2015/056405A1 |
The present invention provides a dressing device for dressing a polishing-use foamed urethane pad by pressing diamond abrasive grains against the polishing-use foamed urethane pad and causing sliding contact therebetween, wherein the dre...
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WO/2015/056746A1 |
A method for applying truing, by using a first truer and a second truer, to an outer peripheral surface of a grinding wheel that is parallel to the rotation axis of the grinding wheel, an end surface of the grinding wheel that is orthogo...
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WO/2015/050185A1 |
The purpose of the present invention is to provide a polishing device which allows easily processing or correcting the shape of a polishing surface that is not flat. This polishing device is provided with: a polishing member (10) having ...
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WO/2015/049829A1 |
A method which comprises supplying a cleaning fluid to the surface of an abrasive cloth for polishing a wafer and thereby cleaning the abrasive cloth, characterized by cleaning the abrasive cloth for eight or more hours while supplying a...
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WO/2015/025807A1 |
A rotary machining device (1) provided with a rotation device (2) for supporting a workpiece on which helical teeth are formed and causing the workpiece to rotate, a machining device (3) for using grinding teeth (71) of a rotary grindsto...
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WO/2015/024892A1 |
The present invention relates to a form dressing roller 10 comprising: a base 1; a free-standing lining ring 2 containing diamond grains and/or small diamond rods, in a ceramic, metallic bond or a synthetic resin bond, for dressing diamo...
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WO/2015/018627A1 |
The invention relates to a dressing tool, comprising a main body (2), the working surface (6) of which is covered with hard-material grains (7) distributed on the main body (2). According to the invention, recesses (8) for accommodating ...
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WO/2015/015706A1 |
The present invention is a dressing method for dressing a polishing pad, which polishes a wafer that is affixed on a surface plate, by pressing and sliding brushes and plates on the polishing pad, the dressing method being characterized ...
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WO/2014/192672A1 |
Provided is an internal gear grinding method that makes it possible to grind an internal gear having an arc-like tooth shape in a short amount of time. To this end, an internal gear (W) having an arc-like tooth shape and a threaded grind...
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WO/2014/157490A1 |
This method for truing a rotary grindstone involves truing an external peripheral surface of a rotary grindstone while moving the position of a truer with respect to the rotary grindstone from one end side in the shaft direction of the r...
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WO/2014/149676A1 |
In one embodiment, a method for cleaning a surface of a polishing pad includes conditioning the polishing pad surface and rotating the conditioned polishing pad surface. The method also includes spraying the polishing pad surface to lift...
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WO/2014/148390A1 |
Provided are a gear machining apparatus and a gear machining method with which the surface roughness, in a tooth profile evaluation range, of the surfaces of the teeth of a gear can be improved. This gear machining apparatus (1) machines...
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WO/2014/140689A1 |
The present invention relates to a bonded abrasive article comprising shaped abrasive particles and a bonding medium comprising a vitreous bond, said shaped abrasive particles each comprising a first side and a second side separated by a...
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WO/2014/112690A1 |
A purpose of the present invention is to provide a dental model trimmer concurrently used for center trimming, which improves a traditional dental model trimmer to enable a single model trimmer to trim both external sides and center of a...
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WO/2014/074612A1 |
A method of chemical mechanical polishing (CMP) a diamond containing surface includes providing a slurry including a plurality of particles, at least one oxidizer, and at least one acid, wherein the slurry has a pH ≤ 3 or pH greater th...
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WO/2014/072787A1 |
Provided are gears in which flanks of mutually meshing teeth are polished and finished to a predetermined surface texture. In the gears, the arithmetic mean roughness Ra of the tooth flanks is equal to or less than 0.15 μm and the peak ...
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WO/2014/064855A1 |
A grinding device (1) for glass plate, configured such that: a dressing device (40) holding a dresser is provided in a grinding head (2); the dressing device (40) is provided, in a grinding wheel (3), on the opposite side (B) to a grindi...
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WO/2014/061327A1 |
This dressing device has: a gear grinding tool shaft (7) that rotatably supports a screw-shaped grindstone (10); and a dressing tool (30) that dresses the screw-shaped grindstone (10). The dressing device dresses the screw-shaped grindst...
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WO/2014/057894A1 |
The present invention relates to an elastic grindstone dressing method for dressing an elastic grindstone having a flat outer circumferential polishing surface, wherein the outer circumferential surface of the elastic grindstone, said ou...
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WO/2013/186786A1 |
Problem to be solved by this Invention is to manufacture an Actual Four Point Contact Ball Bearing which reduces a self friction of Bearing by 50% in compared to Deep Groove Ball Bearing. Actual Four Point Contact Ball Bearing comprises ...
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WO/2013/185603A1 |
A multi-carriage dual-spindle symmetrical grinding processing center is disclosed. A work table with a rotary table therein is positioned on a first carriage which is attached to a front base. First and second upright posts are positione...
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WO/2013/183094A1 |
A gear tooth surface processing device and a gear manufacturing method are provided which are capable of adjusting processing pressure for the purpose of improving the surface roughness of high-hardness gears and the like. The gear tooth...
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WO/2013/136350A1 |
The invention refers to a method for restoring the effectiveness of an abrasive disk (4), according to which a diamond wheel (6) is conducted on the surface of said abrasive disk (4) and moves radially with respect to the rotation axis (...
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WO/2013/121718A1 |
The present invention is a method for polishing both surfaces of a wafer in which: a wafer is held in a holding hole of a carrier; said held wafer is placed between upper and lower surface plates on which polishing cloths have been affix...
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WO/2013/105341A1 |
A dressing method for a glass substrate edge-grinding grindstone and a glass substrate manufacturing method using said dressing method. The glass substrate edge-grinding grindstone dressing method is characterized in that: a glass substr...
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WO/2013/087703A1 |
A method of dressing a wheel using a polycrystalline CVD synthetic diamond dresser, the method comprising: rotating the wheel; and contacting a working surface of the wheel with a working surface of the polycrystalline CVD synthetic diam...
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WO/2013/077005A1 |
The purpose of the present invention is to provide a disk dresser and a dressing method for a drum-shaped gear-like grindstone that enables high-precision dressing of a drum-shaped gear-like grindstone and enables the shape of the cuttin...
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WO/2013/065551A1 |
The rotary dresser is provided with a cored bar, an electrocast layer and super-abrasive particles fixed to the outer circumferential surface of the electrocast layer, and multiple aggregate regions in which multiple super-abrasive parti...
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WO/2013/056736A1 |
The invention relates to a device (20) and a method (22) for machining a rotary tool (21) working surface (23) which has a plurality of cutting bodies (24). The rotary tool (21) can be driven about a rotational axis (R). The cutting bodi...
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WO/2013/031090A1 |
The present invention is a silicon wafer polishing method for setting a polishing time such that a predetermined polishing margin is obtained, polishing a silicon wafer in sliding contact with an abrasive cloth for a set polishing time w...
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WO/2013/015095A1 |
A method for manufacturing a powder magnetic core includes a step of acquiring a powder magnetic core by pressure forming with a mold an iron-based alloy powder consisting primarily of an insulation-coated pure iron powder or iron, a ste...
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WO/2013/002745A1 |
Example embodiments relate generally to a substrate, information recording medium, information recording device and methods of manufacturing substrates for use in information recording mediums, said methods comprising the steps of polish...
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