Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 7,867

Document Document Title
WO/2019/099541A1
An apparatus for chemical mechanical polishing includes a platen having a surface to support a polishing pad, a carrier head to hold a substrate against a polishing surface of the polishing pad, a pad conditioner to hold a conditioning d...  
WO/2019/064837A1
Provided is a disk-shaped electrodeposition grindstone (10) which has a circular arc-like outer periphery in a cross-section view that includes a central axis (GC) of the grindstone. The outer periphery has abrasive grains (16) bonded th...  
WO/2019/027076A1
The present invention relates to a polishing pad dresser having surface pores and a method for manufacturing the same, wherein the surface pores are generated by preparing a diamond having a predetermined angle between the mid-point of v...  
WO/2019/027077A1
The present invention relates to a polishing pad dresser, which includes diamond particles formed on a surface thereof and has a rounded edge part, and a polishing device comprising the same, the polishing pad dresser comprising: a flat ...  
WO/2019/012389A1
The present disclosure relates to abrasive articles including conformable coatings, e.g. a hydrophobic coating, methods of making and polishing systems therefrom. The present disclosure provides an abrasive layer, having a hydrophobic ex...  
WO/2019/002591A1
The present invention relates to an application device (10) configured to clean grinding surfaces (113) in a machine for grinding ophthalmic lenses, the application device comprising: - a central portion (12) having so as to mount the ap...  
WO/2018/225280A1
A form rotary dresser, wherein the outer circumferential face thereof that is in contact with a grinding stone has an area on which diamond abrasive grains are disposed dispersedly and a slit area on which no diamond abrasive grains are ...  
WO/2018/210607A1
The invention relates to a machine for the precision machining of toothed workpieces, which machine comprises a tool spindle (30) for mounting a precision machining tool (31). The tool spindle can be driven to rotate about a tool spindle...  
WO/2018/206454A1
The invention relates to a method and a grinding and eroding machine (10) for machining a workpiece (14). Here, a combined grinding and eroding tool (12) is used, which is used in the same setup for eroding the workpiece (14) and for sub...  
WO/2018/203448A1
The present invention is a wire-saw-based workpiece cutting method in which a fixed abrasive particle wire, to the surface of which are bonded abrasive particles, is wrapped around a plurality of grooved rollers to form a wire array, and...  
WO/2018/189155A1
The present invention relates to a grinding device for machining an, in particular plate-shaped workpiece (W). The grinding device comprises an emitter (31) for emitting electromagnetic waves in the direction of the abrasive belt (10) an...  
WO/2018/184658A1
The invention relates to a polishing machine (10) and to a method for polishing optical waveguides, comprising a polishing disc (13) having a plug socket (14) for holding a plug with an optical waveguide, a polishing platform (15) for re...  
WO/2018/184657A1
The invention relates to a polishing machine (10) and to a method for polishing optical waveguides, comprising a polishing disc (13) having a plug socket (14) for holding a plug with an optical waveguide, a polishing platform (15) for re...  
WO/2018/186087A1
The present invention is a workpiece cutting method that uses a wire saw in which a fixed abrasive-grain wire, which is sent out by one side of a set of wire reels and taken up by a wire reel on the other side and has abrasive grains fix...  
WO/2018/178697A2
A dresser apparatus for dressing a grinding wheel, the apparatus comprising a dresser cradle unit for holding a dresser roll, and a rotary drive for driving the dresser roll, wherein the dresser cradle unit is removable from the rotary d...  
WO/2018/178697A3
A dresser apparatus for dressing a grinding wheel, the apparatus comprising a dresser cradle unit for holding a dresser roll, and a rotary drive for driving the dresser roll, wherein the dresser cradle unit is removable from the rotary d...  
WO/2018/173421A1
The present invention addresses the problem of providing a polishing device capable of maintaining a polishing member in an excellent state while polishing is performed. Provided is a polishing device for locally polishing a substrate. T...  
WO/2018/162484A1
The invention relates to a tool (1) for dressing or cutting teeth of fine machining tools, which tool makes it possible to exactly reproduce, in a simple manner, the required tooth geometry on the fine machining tool which is to be dress...  
WO/2018/163390A1
[Problem] To enable determination of whether a grinding wheel and a grinding material have come into contact to be accurately performed without being affected by the mechanical characteristics of a grinding machine or by interference fro...  
WO/2018/130495A1
The invention relates to a method which is carried out in a grinding machine (100) comprising the following: - a tool spindle (11) for receiving a cup grinding wheel (10), which is provided with an abrasive surface, and for rotating the ...  
WO/2018/126178A1
The present disclosure relates to a dressing tool. The dressing tool can include a shank having a proximal end and a distal end as well as an abrasive tip. The abrasive tip may include a superabrasive material that may be bonded to the d...  
WO/2018/109501A3
Methods and apparatus for shaping workpieces are described in which data representing the surface form of the workpiece is analysed to determine characteristics of curvature of the surface, and these characteristics are used to determine...  
WO/2018/109501A2
Methods and apparatus for shaping workpieces are described in which data representing the surface form of the workpiece is analysed to determine characteristics of curvature of the surface, and these characteristics are used to determine...  
WO/2018/092361A1
The electro-deposited diamond dresser is provided with: a disk-shaped wheel (2) which has tapered surfaces (21) on both sides of an outer circumferential portion thereof so as to decrease in thickness toward an outer circumferential surf...  
WO/2018/082279A1
A grinding apparatus, comprising: a grinding belt cleaning structure. The grinding belt cleaning structure may further comprise a cleaning section (300) at a side of a grinding surface of a grinding belt (100) and a support section (400)...  
WO/2018/079541A1
The grinding machine is provided with a dividing wall and a clamp part. The dividing wall divides a machining area from a non-machining area excluding the machining area. The clamp part extends from the non-machining area toward the mach...  
WO/2018/063242A1
A multi-step conditioning process includes an initial step of preparation (i.e., pre-conditioning) and a subsequent step of restoration (i.e., conditioning and polishing intermittently, in situ conditioning, or combinations thereof). An ...  
WO/2018/055069A1
The invention relates to a workpiece machining device (1), in particular a grinding device, comprising at least one spindle module (10.1) and a tool exchanger (30), wherein the spindle module is adapted to receive a tool (13.1), in parti...  
WO/2018/052975A1
A chemical mechanical planarization (CMP) pad conditioning assembly that includes one or more support structures positioned between one or more abrasive regions of the pad conditioning assembly is disclosed. The support structures and ab...  
WO/2018/043054A1
The present invention provides a dresser provided with a diamond plate on which diamond abrasive grains, for dressing upper and lower polishing cloths of a double-side polishing machine, are fixed, the dresser being characterized by bein...  
WO/2018/024356A1
The invention relates to a method for machining an internally toothed workpiece, wherein the workpiece is clamped into a toothed honing machine, and wherein at least one tool that is at least partially made of a high-hardness cutting mat...  
WO/2018/003429A1
[Problem] To provide a dressing mechanism that can achieve dressing of a workpiece cutting blade while saving space, a cutting device comprising such a dressing mechanism, and a blade dressing method using the dressing mechanism. [Soluti...  
WO/2017/210755A1
Processe and system for preparing a vehicle surface (e.g., an aircraft fuselage) for painting include a preparation booth (100) which is sized and configured to house the vehicle (F). At least one robotic assembly (200a, 200b) is recipro...  
WO/2017/209747A1
A process for retruing a profile in an abrasive wheel is provided. A lathe table including an edged cutting tool is used for fixturing a grinding wheel having an outside metal edge and an abrasive matrix adjacent thereto for rotation alo...  
WO/2017/183360A1
The present invention has: a table that is provided with a polishing surface for polishing a substrate; and a discharging/sucking unit having a discharge port, which is in communication with a fluid supply source, and which discharges a ...  
WO/2017/174187A1
The invention relates to a method for producing a removal of material on a tooth end edge of a workpiece toothing (W) with a rotationally driven chamfering tool (6a, 6b) in a machining operation brought about by controlled axial machine ...  
WO/2017/177072A1
A chemical-mechanical polishing/planarization pad conditioner body made from diamond-reinforced reaction bonded silicon carbide, with diamond particles protruding or "standing proud" of the rest of the surface, and uniformly distributed ...  
WO/2017/145491A1
An abrasive tool with an abrasive layer in which multiple hard abrasive grains are bonded by a bonding material, wherein a working surface that contacts a workpiece is formed on each of the multiple hard abrasive grains and the ratio of ...  
WO/2017/139314A1
A method and a system are provided for automatically dressing a grinding wheel used to grind workpieces. A workpiece is scanned to determine dimensions of the workpiece. A computer-readable dimensions datafile is generated containing the...  
WO/2017/123834A1
A chemical mechanical planarization (CMP) pad conditioner, a CMP pad conditioning system and a CMP pad conditioning method are provided. The CMP pad conditioner includes an adaptor configured to receive an abrasive member and a sensing c...  
WO/2017/098535A1
A device for polishing or abrading products (M), comprising: a polishing element (1) provided with an operating surface (4) designed to perform a polishing or sanding movement, preferably a circular or orbital movement; and motor means (...  
WO/2017/097916A1
The invention relates to a tool (10, 10a, 10b, 10c, 10d, 10e, 10f) for machining a workpiece, comprising: a base body (14) that can be rotated about an axis of rotation (12), consisting of carbon or a fibre-reinforced plastic; an electro...  
WO/2017/072726A1
Device (1) for working ceramic objects provided with at least one tool (2) operating in rotation to cut at least one ceramic article (4) positioned on a worktop (5), and comprising: at least one cooling element (6) adapted to send compre...  
WO/2017/067884A1
An apparatus (1) for dressing a grinding wheel (2) mounted thereon by creating structures (12) on the surface of a, in particular cylindrical, grinding surface (3) of the grinding wheel (2), the apparatus (1) comprising: - a dressing too...  
WO/2017/056392A1
The present invention is a method for conditioning a polishing pad, which is affixed on a rotatable disc-shaped surface plate and is for polishing wafers, using a conditioning head. The polishing pad conditioning method is characterized ...  
WO/2017/046763A1
A cleaning system, includes: a first cleaning tank (10); a carrying and moving unit configured to move a polishing film (400) to be cleaned into the first cleaning tank (10) and hold the polishing film (400) in the first cleaning tank (1...  
WO/2017/042395A1
The invention relates to a dressing tool (10, 100, 200, 300) comprising a base body (12, 112, 212, 312) in the form of a rotatable disc element with a carrier (16, 116, 216, 316), on which hard grains (120, 220, 320) such as grains made ...  
WO/2017/026121A1
A dressing device (1) is provided with: a regulating body (13) having, at a grinding surface (6) of a rotating grinding wheel (5), a protrusion (12) surface that has a shape corresponding to the shape of the grinding surface (6) and is i...  
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.  
WO/2016/203950A9
This diamond single crystal includes nitrogen atoms. The concentration of the nitrogen atoms changes periodically along the crystal orientation of the diamond single crystal. The arithmetic mean value Aave, the maximum value Amax, and th...  

Matches 1 - 50 out of 7,867