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WO/2002/006553A2 |
The invention relates to a method for the production of cutting bodies with a base body and a hard material comprising a cutting layer, coated on the base body by means of laser beam deposition, whereby a base body blank is formed with r...
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WO/2002/002279A2 |
Grooves are formed in a CMP (12) pad by positioning the pad on a supporting surface with a working surface (22) of the pad in spaced relation opposite to a router bit (24) and at least one projecting stop member (33) adjacent to the rout...
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WO/2002/002278A1 |
A surface treating article (10) including a surface treating member (40) and a fastener (12) including a fiducial (18). The present invention also provides a preferred method of making a surface treating article that includes to a method...
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WO/2001/098032A1 |
A spiral wound abrasive belt (215) is formed from an abrasive media (210) including a plurality of webs. The webs of the abrasive media may include coated abrasives joined by splicing media or other suitable joining material. Alternative...
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WO/2001/091975A1 |
An abrasive material which is especially excellent in the dispersion of abrasive grains even when the grains are contained in a large amount, and which has stable polishing properties and is effective in diminishing scratches. The abrasi...
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WO/2001/088056A1 |
A raw material for cerium based abrasive material, characterized in that it comprises a carbonate of a cerium base rare earth element and an oxide of a cerium base rare earth element and has a loss on ignition in the case of heating at 1...
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WO/2001/083168A1 |
A process for producing a coated abrasive with an engineered surface which comprises; a) using a rapid prototyping technique to produce a master tool (1); b) using the master tool to generate a production tool (2); c) using the productio...
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WO/2001/076824A1 |
Sanding wheels for the processing of the surfaces of items normally comprise sending strips (12) extending radially from a cylindrical core, and comprising bracing elements in the form of in-line brushes which on the one side (the front)...
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WO/2001/070463A2 |
The present invention provides a vitrified-bonded abrasive tool wherein the abrasive grit portion comprises a thermally sensitive abrasive grain, such as sintered sol gel microcrystalline alpha alumina abrasive grain or superabrasive gra...
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WO/2001/064396A1 |
A polishing pad (18) is made by a piezoelectric delivery system (13), and a method of making the pad includes, building successive layers of droplets of material one layer on another layer by dispensing the material in fluid phase as dro...
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WO/2001/056745A1 |
The invention relates to sintered metal bonded segments (Sm) with an abrasive action, and containing particles of hard material, for tools for machining or cutting hard and/or brittle materials with a tool support (W)which accommodates t...
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WO/2001/053041A1 |
The invention concerns a grindstone exhibiting good abrasive properties while being inexpensive, consisting of stacked layers (12, 13, 14, 15) comprising at least one layer of abrasive grains (14) which includes juxtaposed zones (14A, 14...
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WO/2001/053040A1 |
A polishing pad includes a flexible substrate (5) and a polymeric polishing layer (11) that has a repeatable pattern of polymeric asperities that are manufactured by printing, according to a gravure printing process or a screen printing ...
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WO/2001/043919A1 |
The present invention relates to abrasive articles having an abrasive coating comprised of a binder, abrasive particles having a Mohs' hardness of 7 or greater and non-abrasive particles having a Mohs' hardness less than about 6, wherein...
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WO/2001/043920A1 |
Manufacture of a polishing pad (300) for polishing a semiconductor substrate, involves, transporting a backing layer (302) to successive manufacturing stations, supplying a fluid phase polymer composition onto the transported backing lay...
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WO/2001/041974A2 |
A method for making an abrasive product comprising forming a structure (1) of a sinterable retaining matrix having at least one first region (2) containing a plurality of abrasive particles embedded therein and at least one second region...
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WO/2001/038037A1 |
A process for enhancing the mounting surface of a hard surface comprises laser beam (21) cutting a void through the rotating mounting surface (11) and into the material (10), creating an undercut (40) for enhanced mechanical bonding prop...
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WO/2001/034348A1 |
An abrasive implement has a supporting member (1) with a central hub (2) mounting for use in connecting the member to a tool and an annular abrasive (4) support region surrounding the central hub. The supporting member is formed from an ...
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WO2000030808A9 |
A method for making a sintered article (14) comprising providing a plurality of individual blocks (19) of sinterable matrix material, arranging said blocks in abutting relationship to form an assembly of said blocks in a sinter mold wher...
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WO/2001/032364A1 |
The invention provides individually made abrasive discs with the primary abrasive surface around the periphery of the disc where the bulk of the abrading action occurs when the disc is in use. The invention also provides a process by whi...
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WO/2001/028741A1 |
The present invention provides a flexible abrasive article comprising abrasive particles adhered to a foraminous substrate with at least one binder wherein the abrasive article comprises less than 300 ppb of selected extractable cation p...
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WO/2001/026862A1 |
A conditioner for polishing pad and a method for manufacturing the same are disclosed. The conditioner comprises a substrate having formed with a plurality of geometrical protrusions of a uniformed height on at least one of its sides, an...
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WO/2001/024971A1 |
This invention encompasses abrasive articles that have a coating, typically made of at least a binder and abrasive particles, selectively removed from a portion of an exposed abrading surface of the article in order to inscribe a detecta...
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WO/2001/015867A1 |
A belt (102) for polishing a workpiece such as a semiconductor wafer (116) in a chemical mechanical polishing system (100) includes a polymeric layer forming an endless loop and having a polishing surface (140) on one side of the endless...
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WO/2001/008848A1 |
A microabrasive tool is formed from a slurry including liquid, abrasive grains, a bonding material, and a polymer (22) for example, gellan gum. The slurry is cast in a mold, and the polymer is ionically cross-linked. Cross-linking the po...
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WO/2000/078504A1 |
A method and apparatus for polishing workpieces such as semiconductor wafers which includes a wafer carrier having a retaining structure (30) which functions as an in-situ conditioner for a polishing surface. The retaining structure (30)...
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WO/2000/076726A2 |
A polymeric foam finishing pad (50) is made by attaching an array of foam fingers (52) to a suitable support substrate (14). The foam fingers are attached to the substrate in a continuous strip of interconnected fingers or may be individ...
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WO/2000/074898A1 |
An abrasive product is formed, in a blank making machine, into a layer forming a blank consisting of at least abrasive grains which is then set atop on at least another material layer and assembled thereto. The installation comprises, be...
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WO/2000/059684A1 |
The invention relates to a self-lubricating abrasive tool. Chip-producing abrasive grains (5) are embedded in a porous binding matrix that is impregnated with a lubricant. The aim of the invention is to introduce a sufficient amount of l...
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WO/2000/051788A1 |
This invention provides an abrasive article (50) comprising abrasive agglomerate particles (14) and a bond system. The agglomerate particles (14) comprise a plurality of abrasive grains (15) bonded together by means of a first binder (16...
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WO/2000/050202A1 |
A cylindrical, abrasive grinding wheel (10) having a cylindrical abrasive region (12) with an abrasive surface (18) at an outer circular band thereof. The abrasive region includes layers (26) of abrasive particles. The layers (26) of abr...
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WO/2000/048790A1 |
Reaction injection molding is utilized as a method for making an abrasive article (10) that includes supplying an effective amount of abrasive particles (26) to at least a portion of an abrasive article mold and supplying a binder precur...
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WO/2000/043163A1 |
The invention relates to a grinding or cutting tool (1) which consists of a base body (4) and a cutting coating (3) melted onto said base body by means of a laser beam. Said cutting coating consists of a metal containing hard material, a...
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WO/2000/038864A1 |
An abrasive body which comprises an abrasive compact bonded to a support along an interface, the abrasive compact presenting a working surface and a cutting edge or point on that surface, is provided. The abrasive compact in the abrasive...
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WO/2000/035632A2 |
Bonded abrasive products comprising alumina-based abrasive grains and a geopolymer bond system are significantly improved by providing the grain with a vitreous coating before incorporation in the geopolymer bond.
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WO/2000/032353A2 |
A machine for abrading or polishing a workpiece (5) comprises a holding surface holding the workpiece, a head member (7) arranged along a rotation axis to rotate about the rotation axis, a working member (8) having a surface for abrading...
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WO/2000/030810A1 |
A diamond blade having a cutting section consisting of diamond abrasive grains and attached to the outer peripheral edge of a substrate in order to decrease the wear of the under-head region of a cutting diamond blade, characterized in t...
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WO/2000/030812A1 |
This modular abrasive tool with radial swing (27) for rotary heads of smoothing machines for granite, marble, ceramic, resinous stone and the like, has a shape in the form of an angular sector (36, 37) tapered with converging inclination...
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WO/2000/027593A1 |
A base disk type grinding wheel for high speed grinding, wherein a base disk is made of a rapidly solidified aluminum alloy containing 15 to 40 wt % of Si, 0.5 to 6 wt.% of Cu, 0.2 to 3 wt.% of Mg, the remainder of the alloy being alumin...
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WO/2000/008232A1 |
A method of treating a bearing surface (12) of a component (10) formed from a base material is described. The method comprises the steps of bringing the surface (12) into proximity with rollers (14, 16), the rollers and surface are then ...
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WO/2000/006340A1 |
A disc-shaped, rotary dressing tool (3) has a rigid core (10) and an abrasive rim (4) around at least one surface of the periphery of the rigid core (10), the rigid core (10) and the abrasive rim (4) being oriented in a direction (7) ort...
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WO/1999/065650A1 |
A dispenser and method for attaching abrasive sheets to a backup pad. The dispenser conveniently centers on the backup pad and abrasive sheet that is larger than the backup pad. In a preferred embodiment, the dispenser comprises: a holde...
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WO/1999/056913A1 |
A coated abrasive article comprises a backing, a first binder on the backing, and a plurality of abrasive particles in the first binder. The first binder precursor is an energy-curable, preferably melt-processable resing containing an ep...
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WO1999048645B1 |
A carrier (100) for semiconductor wafers (106) to be polished comprises a backing pad (110) vulcanized to a pressure plate (108). The backing pad (110) is formed of a rubber material such as neoprene, SBR or natural rubber. An adhesive f...
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WO/1999/054425A1 |
Alumina-based abrasive material having at least an internal core structure is provided. Preferably, the abrasive material results from co-extrusion of at least two different sols. In some preferred processing, steps to provide multiple i...
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WO/1999/052677A1 |
An abrasive article includes a plurality of abrasive particles securely affixed to a substrate with a corrosion resistant matrix material. The matrix material includes a sintered corrosion resistant powder and a brazing alloy. The brazin...
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WO/1999/051426A1 |
A process and apparatus for producing solid articles from loose particulate materials that are particularly useful in the production of green compacts used in sintering processes. A charge (30) is formed by charging a mass of loose parti...
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WO/1999/050501A1 |
The invention relates to a device for applying a coating substance to a continuous paper web in a process for producing abrasion-resistant laminates for manufacturing decorative paper. Said coating substance consists of a viscous mixture...
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WO/1999/046077A2 |
A wire saw has a small diameter metal wire and a layer of abrasive grains firmly affixed to the wire surface by a brazed or soldered active metal bond. Preferably, the grains are present in a single layer. The grains are disposed on the ...
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WO/1999/043491A1 |
The present invention provides an abrasive material (50) comprising a base surface having a plurality of pyramidal shapes protruding therefrom the base surface and the protrusions (52) being formed of the same material, each protrusion (...
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